%PDF-1.5 %���� Bakelite:It is a very hard and tough plastic.It is a poor conductor of heat and electricity. Now we have 2 sub-companies which are Zhejiang Wanhua Melamine Product Co., Ltd. and Quzhou Qingyuan Plastics Co., Ltd. Our products mainly include Urea moulding compound, Melamine moulding compound, Phenolic moulding compound (Bakelite powder), Glazing Powder, Melamine tableware/dinnerware, plastic bocce ball,and so on. Melamine / ˈ m ɛ l ə m iː n / is an organic compound with the formula C 3 H 6 N 6.This white solid is a trimer of cyanamide, with a 1,3,5-triazine skeleton. Heated further, the product becomes partially soluble and can still be softened by heat. Global shipping available. Like it Radegunder loves this. Authentic bakelite jewelry can sell for thousands of dollars, so it's important you learn how to tell the difference between genuine and imposter plastic jewelry. In Kitchen > Melamine Ware > Show & Tell. See more ideas about Bakelite, Vintage bakelite, Art deco fashion. 0000039385 00000 n (b) The odd one is polycot. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions. 0000004421 00000 n Bakelite B. Melamine C. Branched D. Cross-linked 10. A) cellulose B) starch C) Both A and B D) silk 6. Bakelite jewelry became immensely popular in the 1920s as an affordable and attractive replacement for other materials. Novolak resins 5181 are produced by reacting formaldehyde with phenol under acidic conditions and modified with Melamine to improve the heat resistancde . A) PVC B) Bakelite C) Melamine D) Polythene 5. H'1� �x�]� uba#Q ��H� �֊�pW!���U�_�w�H��L\֪xR�G�0�����G����F'�����9\*K] Filed Under: Class 8, Synthetic fibres and Plastics Tagged With: bakelite, melamine, plastics, polythene, polyvinyl chloride, teflon. 0000005072 00000 n Today, molding compounds based on epoxy [EP], unsaturated polyester [UP], melamine phenolic [MP] and It is used for making floor tiles,unbreakable kitchenware,ashtray and fire resistant fabric. 0000008409 00000 n 0000002355 00000 n For Ex:Polythene,Polyvinyl chloride,Bakelite,Melamine,teflon etc. Moulding powders based on melamine–phenol–formaldehyde resins were introduced by Bakelite Ltd, in the early 1960s. $5.29. 0000008935 00000 n It is used to make electrical switches and handles of utensils. Like cyanamide, it contains 67% nitrogen by mass, and its derivatives have fire retardant properties due to its release of nitrogen gas when burned or charred. Heavy-duty plastic. 0000033732 00000 n 6 7 Bakelite® phenolic molding compounds, when they were invented over a century ago, revolu- tionized the manufacture of household goods such as radios and lamp cases. Bakelite is an item a jewelry collector should keep an eye out for considering how prices have risen over the last few decades. HUBERT® Plastic Replacement Spindle and Bakelite Washers for Melamine Cheese Slicer - 2 1/5"L x 1/4"H 66117 1. jscott0363 loves this. Melamine is a plastic which can tolerate heat better than other plastics and resist fire. Bakelite was made of toxic substances as many things are and I try to avoid them due to my known sensitivities. Urea Moulding Compound (10) Priced per each. History is shaped by the materials we develop and use. Choose the correct answer: Natural polymer occurring in plant is . Explanation: Rayon is obtained by chemical treatment of wood pulp. 0000006269 00000 n She has started this educational website with the mindset of spreading Free Education to everyone. 0000002990 00000 n Rayon is cheaper than silk and can be woven like silk. h޴TmL[e~��m{���K�0�R/��6]�B.�@��B��aKe; Al`._zv0(ĉfЁ�d0��ඤ5&��E�YXR���� 1ѷ�O��O�&�=�=�y�ɹ/ � >*v-�� � 5 compartments. 0000007020 00000 n Due to its durable nature, melamine plastic is not … 0000003788 00000 n Rick55 loves this. The Russians even used it to manufacture magazines in rifles and structural aircraft components. 0000052351 00000 n I grew up in a rural farming region heavily laden with herbicides and pesticides. A plastic is a synthetic material which can be moulded or set into desired shape when soft and then hardened to produce a durable article. 0000005713 00000 n Bakelite products included jewelry and the cases for radios. 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