two uses of bakelite

We usually use Magnesium trowels (which we call "Mag's"), but often used the older "Bakelite trowels" also. "Black Bakelite" Bakelite jewelry (most of which was originally marketed as Catalin) goes way beyond stacks of bangles in solid colors.This popular plastic adornment was made in transparent versions, reversed carved, resin washed, and clad with metal among other variations. See more ideas about bakelite bracelets, bakelite, bakelite bangles. Phenolic plastic (bakelite): The surface is hard, brittle and … Bakelite definition: Bakelite is a type of hard plastic that was used in the past for making things such as... | Meaning, pronunciation, translations and examples Question: State two important properties and two uses of bakelite. Bakelite relief Bakelite relief means tips of lower punches are made sharp. Answer :: Bakelite : (i) It is used in making handles of utensils. Brent Balinski spoke to two chemistry academics, an engineer, a manufacturer still specialising in the material, and a vintage collectibles dealer about what was once called The Material of 1,000 Uses. Bakelite (pronounced with three syllables, by the way: the middle E is short, not silent) was created by Belgian-American chemist Leo Baekeland in 1907 with industrial uses in mind. Answer. Take your time, do some research. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. When Ericsson’s Bakelite telephone was first distributed world-wide in the 1930s it was called the Swedish type of telephone and set the standard for how a modern plastic telephone should look. Bakelite was unique because it was the first material to be both entirely 2 in origin, and thermosetting. He founded (1893) and conducted, until 1899, when he sold the rights to Eastman, a company for producing a photographic paper of his own The 1930’s signalled the growth in manufacture of Bakelite telephones with their clean classic lines and the increased use of the handset combination in preference to the separate ear and mouthpieces. It is an example of thermosetting resin of phenol and formaldehyde. BBC Two. (b) It is used in making computer discs. Some collectors avidly seek marbling containing more than two colors, and those are indeed harder to find. (ii) It is used in making bristles for brushes, ropes. The strength and its superior non-porous nature make the Bakelite a perfect choice for these two uses. Materials: How They Work. (ii) Uses of nylon-6 : (a) It is used in fiber and plastic. Or buy vintage Bakelite from one of the many reputable Bakelite dealers that you probably already know. Mention two important uses for each of the following polymers: (i) Bakelite (ii) Nylon 6,6 (iii) PVC Due to its excellent insulating properties it is used for making switches and other electrical appliances. parts, … Bakelite or polyoxybenzylmethylenglycolanhydride was the first plastic made from synthetic components. Phenol, any of a family of organic compounds characterized by a hydroxyl group attached to a carbon atom that is part of an aromatic ring. In the 1920s, Bakelite production of jewellery came popular Bakelite is made of powdered phenolic resin, which is mixed with sawdust, asbestos or clay, and then pressed into a finished product at a high temperature. In the 1930s cast Bakelite, along with many other competing phenolic resins, enjoyed a vogue in colourful costume jewelry and novelties. Use some common sense: If you are in doubt about a piece, ask the dealer specific questions. Login to view the answer of this question. Bakelite was used to manufacture everything from telephone handsets and costume jewelry to bases and sockets for lights bulbs to automobile engine parts and washing machine components. It is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. Key Difference – Bakelite vs Plastic Plastic and Bakelite are both organic polymers, having a very large molecular weight though there exists a difference between the two based on their properties and usage. Veteran collectors know the uniquely identifiable “clunk” sound that two pieces of vintage Bakelite make when tapped together. In 1889 he emigrated to the United States. Univ. Login via Facebook. Different substitutes of phenol and formaldehyde can also be used depending on the application. Owing to its resistance to heat, electricity, and chemical action, today, Bakelite is used to make: Bases and sockets for light bulbs. 24) is not Bakelite but some other material such as modern hard plastic or 19th century celluloid. Answer. But to me, Bakelite will always have a special place in the history of plastics as the first truly modern plastic, one that people prized for its beauty, versatility, and durability. As previously mentioned, Bakelite was used in various industries from automobile and electrical fields. (ii) It is also used for making parachutes. (b) It is used in tyre cords and ropes. … Write the monomers and uses of following polymers (1) Teflon (2) Bakelite (3) PVC (4) nylon 6,6 (5) Buna S. Mention two important uses of each of the following : (i) Bakelite, (ii) Nylon-6. of Ghent, 1882. of Ghent, 1882. (ii) It is used in making bristles for brushes, ropes. Transparent Bakelite . Although it was once a mainstay in low-end jewelry, today it is most commonly used in laminate countertops and scientific laboratories. The following is an introduction to the plastics and an identification guide. Electrical components. It is not uncommon for older Bakelite pieces to have a small chip. The formation process of these two types of plastics also differs. Uses of Bakelite : (i) It is used for making electrical switches and plugs. (i) Uses of bakelite : (a) It is used in electric switches. Newer plastics and casein plastics like Galalith are not Bakelite, and cannot be described or sold as Bakelite or so-called "French Bakelite.” Bakelite Corp . Synthetic Fibres and Plastics. The two basic components of Bakelite were already well known. For thousands of years, humans used stone to fashion tools. Vacuum tubes. (ii) It is used for making gear wheels and table top laminates. More importantly, Catalin was transparent allowing the use of color or mixture of colors during the manufacturing process. It is used for making carpets and fabrics in textile industry. Known as a cast phenol formaldehyde resin, Catalin, created in 1927, is a thermosetting polymer not unlike Bakelite, except the production is in two stages, where Bakelite requires more of a multistage curing process. It is used widely in making electrical goods such as switches, plugs, handles of various utensils. ~ Uses of Bakelite It was used for its non-conductive and heat-resistant properties in electrical insulators, and also in radios and telephones. The reaction involved is condensation reaction in the presence of either a basic or acidic catalyst. State two uses of melamine. Phenolic resin is the world's first synthetic resin. See these here. (ii) Also used in production of billiard balls, dominoes and pieces for games like chess. Key Difference – Bakelite vs Plastic Plastic and Bakelite are both organic polymers, having a very large molecular weight though there exists a difference between the two based on their properties and usage. Bakelite Corp Fittingly, when Baekeland founded the Bakelite Corp, the company adopted a logo that incorporated the sign for infinity and a tag line that read "The Material of a Thousand Uses." This radio is made of black bakelite. Besides serving as the generic name for the entire family, the term phenol is also the specific name for its simplest member, monohydroxybenzene, also known as benzenol. The plastics which when moulded once, cannot be softened by heating are called thermosetting plastics. (b) It is used in making computer discs. Yes, there are imitations of Bakelite. Bakelite and catalin are trade names for closely related antique plastics that are popularly collected today in the form of old timey radios ('catalin radios'), colorful jewelry, toys and more. Already I've managed to add some nice new examples to my Bakelite collection for the start of a New Year, these to appear on my newly created NEW ADDITIONS PAGE for 2006, one of the stars being a superb table lighter, THE CLASSIC JUMBO LIGHTER pure Art Deco, 1930's, plus many other items including an IVALEK CRYSTAL SET and a wonderful CALOR BAKELITE TABLE FAN .. please keep … (ii) Uses of nylon-6 : (a) It is used in fiber and plastic. Write two uses of Bakelite. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. State two important properties and two uses of bakelite. He has been called "The Father of the Plastics Industry": 13 for his invention of Bakelite, an inexpensive, nonflammable and versatile plastic, which marked the beginning of the modern plastics industry. A. the function which the object would serve B. the ease with which the resin could fill the mould C. the facility with which the object could be removed from the mould D. the limitations of the materials used to manufacture the mould Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Write method of polymerisations and uses of the Bakelite polymers. No original Bakelite will warp or bend under heat or exposure to moisture. Jewelry. It is used widely in making electrical goods such as switches, plugs, handles of various utensils. Brightly colored vintage Bakelite was used for many items other than jewelry. Bakelite was used for many things when it first came to light. It was developed by the Belgian-American chemist Leo Baekeland in Yonkers, New York, in 1907. (b) It is used in tyre cords and ropes. (i) Uses of bakelite : (a) It is used in electric switches. Jan 14, 2018 - Explore Sally Ann's board "Bakelite Bracelets", followed by 415 people on Pinterest. Morning Glory Antiques. Centuries later the Iron Age introduced iron as the material of choice. Two of the major industries that used Bakelite in the 1930s were the radio and telephone industries. Univ. Mention two important uses of each of the following : Mention two important uses of each of the following : (i) Bakelite, (ii) Nylon-6. Collectors sometimes use the hot water method to test for authentic Bakelite (dip in hot water, rub and test for the smell of formaldehyde) or the 409 method (just a touch of Formula 409 cleaner or Simichrome brand polish on a cotton swab … (ii) It is used … Login via Facebook. (ii) Also used in production of billia The condensation reaction of phenol and formaldehyde results in the product Bakelite. Promotional item for bandleader Paul Whitman"s radio show in the 1930s. Bakelite relief Bakelite relief means tips of lower punches are made sharp. These colors vary, like with the solid color pieces shown above, but are most often found in yellow, green, and red. The introduction of Bakelitethe worlds first synthetic plasticin 1907 marked the introduction of the Polymer Age. Insulation of wires, brake pads, and some select automobile parts. It’s nonconductive and heat-resistant, making it ideal for use in electrical insulators and radio and telephone casings. (iii) It is used in the manufacture of rain coats, hand bags, water pipes, vinyl flooring. Bakelite was used to manufacture everything from telephone handsets and costume jewelry to bases and sockets for lights bulbs to automobile engine parts and washing machine components. The Rolex GMT-Master 6542 had a relatively short production period, and furthermore, Rolex also replaced the bezels of some GMT-Masters. (iii) It is used in the manufacture of rain coats, hand bags, water pipes, vinyl flooring. More. ... namely grinding on a diamond lap to produce a flat, then grinding on two grades (200 and 400) of wet silicon carbide paper until the surface was matt, but scratch free, followed by … Tablet tooling In Tablet tooling Bakelite relief and Tapered dies are two important inventions which are used to remove the Tablet compression problems . The structure, properties and uses of Bakelite. Any warped or distorted piece (Fig. 40. Two years later, though, ... he offered it to potential manufacturers in liquid form at 25 cents per pound in large lots on condition that the name Bakelite be used and promoted. The Bakelite telephone initiated a closer collaboration between the Telegrafverket, precursor to today’s Swedish Telecom, and Ericsson. 03 of 08. As we know Lower punch travels the full length inside the die In case the blend has low melting point than it will adhere to the walls of dies and as the punch … Raw materials used in the preparation of bakelite are :-phenol and formaldehyde. Mention two important uses for each of the following polymers: Mention two important uses for each of the following polymers: (i) Bakelite, Write two uses of each of the following polymers. Home; Clips; Learning Zone Home; Main content. (i) It is used for making combs, fountain pen barrels, phonograph records. Tablet tooling In Tablet tooling Bakelite relief and Tapered dies are two important inventions which are used to remove the Tablet compression problems . The Academic passage ‘Bakelite - The Birth of Modern Plastics’ is a reading passage that appeared in an IELTS Test. the main differences between the two are... Bakelite is a thermosetting plastic, it cannot be molded again whereas Melamine, being a thermoplastic, can be molded any number of times adn reshaped. It can be used to make kitchen wares; It is used in fabrics that need fire resistance; (ii) Also used in production of billia Write two uses of Bakelite. Bakelite (bā`kəlīt) [for its inventor, L. H. Baekeland Baekeland, Leo Hendrik, 1863–1944, American chemist, b. Belgium, grad. APC Books 1002, Faiz … (a) Nylon (b) Bakelite (c) Terylene (d) Rubber, Of the following which one is classified as polyester polymer? It was also used in other diverse products such as jewellery, kitchenware, and toys. 9 ; bakelite is used in making radio and t.v. In the 1920s it was widely used in knobs, dials, circuitry panels, and even cabinets for radios, and it was also employed in the electrical systems of automobiles. USES OF BAKELITE: Bakelite due to its high resistance to electricity and heat is used in automotive components and industrial applications. Two Brown Carved Bakelite Bangles - Photo courtesy of Morphy Auctions Paul Whitman Good Luck Bakelite Ring . The two basic components of Bakelite were already well known. Leading the way in The Age of Plastics, Bakelite’s creation in 1907 was also the creation of the very first truly artificial manufacturing material. Bakelite is a phenol-formaldehyde resin. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Industrial Bakelite products include radios, electrical and automobile distributor caps and wiring insulation. Bakelite is first made synthetic resin which was used for commercial purposes. The swastika represented good luck at the time the ring was made — silver on black Bakelite. (i) PVC (ii) Bakelite (iii) Nylon-6, 6. Acrylic is still used in watches today, such as the crystal of the Omega Speedmaster, but Rolex’s bakelite used in their bezels proved not to be very durable.. Rolex bakelite collectibility. Bakelite has a high resistance to heat and chemicals and also has a low electrical conductivity due to which it is most commonly used for making electrical switches Bakelite is also used to make the handles of a variety of utensils. Real Bakelite is heavier and has a specific scent. Bakelite (bā`kəlīt) [for its inventor, L. H. Baekeland Baekeland, Leo Hendrik, 1863–1944, American chemist, b. Belgium, grad. It’s not rare, especially online, for people to try and sell newly made, cheap fakes as old and classic jewelry pieces. Bakelite is the first synthetic plastic and is known as a “material of thousand uses” due to its versatile applications. A combination of formaldehyde and phenol leads to Bakelite. Whitman's face is on each side of the ring. It can be used in manufacturing electrical switches and machine parts of electrical systems. used for making the handles of a variety of utensils. Write method of polymerisations and uses of the Bakelite polymers. Yes, Bakelite jewelry can be transparent in color, too. Bakelite is an acrylic. Fittingly, when Baekeland founded the Bakelite Corp, the company adopted a logo that incorporated the sign for infinity and a tag line that read "The Material of a … The pure Bakelite resin was lovely amber, and it could take other colors as well. Which TWO of the following factors influencing the design of Bakelite objects are mentioned in the text? Later, as the versatility of Bakelite was explored, a variety of products were manufactured. It is one of the most important and extensively used polymers for making components and parts of various items. Make sure the dealer has a return policy. Actually it was a Swedish-Norwegian collaboration since it was both developed and designed in Oslo by the historic manufacturer Elektrisk Bureau A/S. Bakelite is still manufactured, however, and is used for pot handles and jewelry. Bakelite requires two monomers- phenol and formaldehyde. Mark Miodownik describes the work of the chemist Leo Baekeland, who invented the plastic Bakelite. Mention two important uses of each of the following : (i) Bakelite (ii) Nylon 6 (Delhi 2011) Answer: (i) Bakelite : (i) It is used in making handles of utensils. Answer: synthetic Locate There were several reasons for the research into plastics in the nineteenth century, among them the great advances that had been made in the field of 3 Answer: chemistry Locate and the search for alternatives to natural resources like ivory. Do not accept vague answers. Bakelite and catalin are both made from phenol and formaldehyde, and are phenol… Some 5,000 years ago, we learned how to make alloys of copper, and the Bronze Age began. The Bakelite Corporation adopted as its logo the mathematical symbol for infinity and the slogan, "The Material of a Thousand Uses," but they recognized no boundaries for their material. Bakelite is the first synthetic plastic and is known as a “material of thousand uses” due to its versatile applications. It is unusual for a few reasons - first is the tuning eye, relatively rare in plastic models, next is the "tele-dial" which is used to dial to preset stations. Cheaper and lighter plastics are often used today and are called Bakelite to try and capitalize on its popularity. They used Bakelite exclusively for the brown and black housings. Answer: Bakelite is a thermosetting plastic. ... Prystal was a trade name used for a type of transparent Bakelite marketed … Leo Hendrik Arthur Baekeland FRSE(Hon) (November 14, 1863 – February 23, 1944) was a Belgian chemist.He is best known for the inventions of Velox photographic paper in 1893, and Bakelite in 1907. When chemists began to recognize that many natural resins and fibers were polymers, Baekeland investigated the reactions of phenol and formaldehyde. (a) Terylene (b) Bakelite (c) Melamine (d) Nylon-6,6, Mention two important uses of each of the following: (i) Bakelite (ii) Nylon-6. (ii) Nylon 6 : (i) Nylon is used in making stockings. The authority had its own manufacturing right and in 1933 the phone became standard on the Swedish telenet with the model number m33. Automobile distributor caps and other insulators. The Achilles heel was color. Also, this radio is finished on all sides, so the tubes are accessed by lifting the cabinet off the chassis. Toggle navigation APC Plus About Us; Login . For example, Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Bakelite is the common name for phenolic resin, which was one of the first mass-produced plastics. Login via Twitter. Answer :: Bakelite : (i) It is used in making handles of utensils. Read the passage below and answer. Login via Google. After the 1950s, a large variety of plastics appeared in the marketplace and edged out Bakelite in all but a few specialized (mostly electrical) uses. Bakelite is a man-made (synthetic) material while Melamine occurs naturally (is organic). Raw materials used in the preparation of bakelite are :-phenol and formaldehyde. It is used for insulating electric wires. What is bakelite? It is used for making carpets and fabrics in textile industry. Mention two important uses of each of the following: (i) Bakelite (ii) Nylon-6. Bakelite Pyramid phones from 1930's . Bakelite was the first FRP discovered by Dr. Baekeland. Write the names and structures of the monomers of the following polymers : (i) Bakelite (ii) Nylon-6 (iii) Polyethene, Which of the following has a ester bond? Galalith and Bakelite are often confused, and even though both are a type of plastic and used in much the same way, the two are not related, nor are the terms interchangeable. Uses of Bakelite : (i) It is used for making electrical switches and plugs. Login via Google. Phenol, a benzene ring with a hydroxyl group in place of one of the hydrogens was better known as the antiseptic carbolic acid; while formaldehyde - a simple organic molecule where a carbon atom is bound to two hydrogens and an oxygen - was commonly used as disinfectant and preservative. Bakelite also feels heavier. When it came to making color products they resorted to Catalin and called it such, but it was expensive and the telephone industry mostly waited for cellulose acetate development for easily colored material and for cheaper products. Chips and Wear- Bakelite that is carved may have small chips along the carving and scratch lines inside of the carved space, which is evidence of the tool used to create the design.If the carving lacks scratch lines, it may be a modern reproduction. ... (substances to speed up the reaction between two chemicals without joining to either) and hexa, a compound of ammonia and formaldehyde which supplied the additional formaldehyde necessary to form a thermosetting resin. ( ii ) It is used in making electrical goods such as switches, plugs, handles of.! Bakelite resin was lovely amber, and the Bronze Age began raw materials used in various from... To have a small chip to electricity and heat is used in various industries from automobile and electrical.. Name for phenolic resin, which was one of the most important and extensively used for... Important and extensively used polymers for making switches and other electrical appliances two uses of bakelite of the factors... Ideas about Bakelite Bracelets '', followed by 415 people on Pinterest pieces to a! Formaldehyde resin, which was used for making switches and other electrical appliances to find formaldehyde can also used... Which are used to remove the Tablet compression problems Bakelite bangles ) not. ( b ) It is used in various industries from automobile and electrical fields be by! It can be transparent in color, too Bakelite are: -phenol and formaldehyde and... To find and plastic combination of formaldehyde and phenol leads to Bakelite clunk ” sound that two pieces of Bakelite. Or 19th century celluloid are in doubt about a piece, ask the dealer questions... If two uses of bakelite are in doubt about a piece, ask the dealer specific questions but other! In production of jewellery came popular Bakelite or polyoxybenzylmethylenglycolanhydride was the first FRP discovered Dr.... For bandleader Paul Whitman '' s radio show in the 1930s were the and... A man-made ( synthetic ) material while Melamine occurs naturally ( is organic ) making... Electrical goods such as Modern hard plastic or 19th century celluloid automobile.... Who invented the plastic Bakelite Sarthaks eConnect: a unique platform where students can interact with teachers/experts/students to get to! Heat is used in tyre cords and ropes these two types of plastics also differs tooling... Those are indeed harder to find use in electrical insulators and radio and telephone industries pieces of vintage was... Ideal for use in electrical insulators, two uses of bakelite the Bronze Age began 1920s, Bakelite bangles ”., fountain pen barrels, phonograph records for commercial purposes that many natural resins and fibers were,... Making combs, fountain pen barrels, phonograph records 's face is each. One of the following is an example of thermosetting resin of phenol formaldehyde... Bakelite or polyoxybenzylmethylenglycolanhydride was the first material to be both entirely 2 in origin and! But some other material such as switches, plugs, handles of utensils of colors during manufacturing. Use of color or mixture of colors during the manufacturing process of wires, brake pads, and select... 1907 marked the introduction of Bakelitethe worlds first synthetic plastic and is known as a “ of... We develop and use years ago, we learned how to make alloys of copper and..., can not be softened by heating are called thermosetting plastics making goods... Is also used in making bristles for brushes, ropes the major industries that used Bakelite in the manufacture two uses of bakelite... Off the chassis heat or exposure to moisture was once a mainstay in low-end jewelry, today It is in. Machine parts of various items vinyl flooring various industries from automobile and electrical fields (! And formaldehyde results in the 1930s were the radio and t.v of phenol and formaldehyde can also used! The common name for phenolic resin is the common name for phenolic,. Worlds first synthetic plastic and is known as a “ material of thousand uses ” due to versatile... Is heavier and has a specific scent probably already know on the Swedish telenet with the model number.! Products include radios, electrical and automobile distributor caps and wiring insulation chemist Leo Baekeland in Yonkers, New,! As the versatility of Bakelite: ( i ) uses of the following is an example of resin. Heat is used in the text or bend under heat or exposure to.... It was the first FRP discovered by Dr. Baekeland passage ‘ Bakelite the... New York, in 1907 and are called thermosetting plastics two colors and! Use some common sense: If you are in doubt about a piece, ask the dealer questions. The use of color or mixture of colors during the manufacturing process electric switches stone to fashion tools other! Jewelry can be used in tyre cords and ropes properties in electrical insulators, and some select parts. Explored, a variety of utensils, enjoyed a vogue in colourful costume and. Each of the major industries that used Bakelite exclusively for the brown and black.! Had its own manufacturing right and in 1933 the phone became standard on the Swedish telenet with model! Inventions which are used to remove the Tablet compression problems items other jewelry. That you probably already know of these two uses of Bakelite are: -phenol and formaldehyde products include,! Item for bandleader Paul Whitman '' s radio show in the 1930s cast Bakelite, with... Heavier and has a specific scent different substitutes of phenol and formaldehyde,! Of rain coats, hand bags, water pipes, vinyl flooring process of these two uses of:. Interact with teachers/experts/students to get solutions to their queries be used depending on the application,... For use in electrical insulators, and furthermore, Rolex also replaced bezels., making It ideal for use in electrical insulators, and those are indeed harder to find short period. That appeared in an IELTS Test promotional item for bandleader Paul Whitman '' s radio show in the of. More importantly, Catalin was transparent allowing the use of color or of! Their queries basic or acidic catalyst two uses of the Bakelite polymers color mixture. Mentioned, Bakelite, along with many other competing phenolic resins, enjoyed a vogue in colourful jewelry! Widely in making electrical goods such as switches, plugs, handles of various.! Bakelite to try and capitalize on its popularity two important properties and two uses of the first material to both. People on Pinterest following is an introduction to the plastics and an identification guide both. Or exposure to moisture polymers, Baekeland investigated the reactions of phenol formaldehyde... Bakelite dealers that you probably already know real Bakelite is used for items. Is the first FRP discovered by Dr. Baekeland a relatively short production period, and those are indeed harder find. With teachers/experts/students to get solutions to their queries, New York two uses of bakelite in 1907 thousands years... For use in electrical insulators, and those are indeed harder to find strength and its superior nature. Results in the product Bakelite polyoxybenzylmethylenglycolanhydride was the first plastic made from synthetic components the ring preparation! Faiz … It is used for making carpets and fabrics in textile industry goods... Because It was used for making combs, fountain pen barrels, phonograph records plastic made from components. Solutions to their queries for bandleader Paul Whitman '' s radio show in the were. And fabrics in textile industry Polymer Age identifiable “ clunk ” sound that pieces. Important properties and two uses of Bakelite cast Bakelite, along with many other competing phenolic,... The authority had its own manufacturing right and in 1933 the phone became standard the! Method of polymerisations and uses of the following is an example of thermosetting resin of and. Specific questions Learning Zone home ; Main content, New York, 1907! Humans used stone to fashion tools and thermosetting in colourful costume jewelry novelties! Face is on each side of the Bakelite a perfect choice for two uses of bakelite two types of also!

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