ppa/af-1550xv0包装膜 图pc sp7602、pa66 a218v33、pa6 e-rung60、tpu 60a、pbt wfl32、pp 401-na01 、pbt 4883、pa6 hfx 35、tpu e1175a10、
pa6t htnfr52g30nh、pp jhc-372 pc 8025、eva ul00014、pp 1747、pa6 pb300g2、pp r200p、tpee kp3755、pc g-3120ph、pbt wx03020x、ppo gfn3-wh7083
pvc was found two times in nineteenth century, one was henri victor regnault in 1835,&the other was found in 1872 by eugen baumann. in the two opportunity, the polymer appeared in a beaker of vinyl chloride placed under the light of the sun&became a white solid. in the early twentieth century, russian chemist ivan ostromislensky&chemist fritz klatte of griesheim-elektron company tried to use pvc for commerl purposes, but the difficulty was how to process this hard, sometimes brittle polymer.
ppa/af-1550xv0包装膜 图lcp s135、tpu 58244、k(q)胶 kr-03、abs 700、asa/pc hra222f-700653、tpe tf5efb、pps a630t30、tpe pb-5302、pc/abs r-2010、
pc eb-3001r、pa66 akv50h2.0pa6 pb300g6、pc ehr3400、pmma 94-580-a、pp 2614 、tpu ut-95a、tpe 4056、pc dcl-4032、pa/mxd6 1022-0006、
ppo px9406poe 8440、pa46 ig-s250f6、tpu 65ab
pvc is the main source of dioxin. dioxin (tcdd), two oxygen (miscellaneous) the most deadly dioxin in the family is a kind of substance, as everyone knows the carcinogens&catabolic hormones&a toxic compound, has a great harm to human&animal. when pvc production, recycling&scrap in the incinerator,/pvc products in the combustion accident such as garbage landfill, will produce dioxin.
ppa/af-1550xv0包装膜 图lcp e471i 210p、tpv 4465、pbt 23200、pc 3025g20-nc、pp fpu1376 、pmma am-103l、pp 45mw647、tpv 9101-75、pp 1100n、
pom sc631、pp pt101pc glx143、pp 4944cwz 、tpe 5050dn/1002、tpu 11t95p、tpe tp7cdz、pbt 6450xd、pbt b3225、pmma 4494、
pbt 3015-201pbt wfl32、pc dp9-9373、pp 1360
明一
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