亚洲中文字幕乱码久久,国产一级毛片精品无码普通话,久久亚洲综合黄色视频网站,亚洲专区动漫专区欧美专区日韩专区

The new halogen-free flame retardant "Jingdong Bao" is specially developed for polyolefin and polyolefin elastomer. It has good compatibility with polyolefin, nearly no influences to mechanical properties of the base resin. In extrusion process it shows good processing and thermal stability; With "Jingdong Bao", plastic products, electric cables etc. can easily achieve UL94-V0 and VW-1 requirements;