18精品久久久无码午夜福利,国产 亚洲 制服 无码 中文,亚洲日韩在线成人av电影网站,亚洲丶国产丶欧美一区二区三区,又大又黄又粗高潮免费,日本成熟少妇喷浆视频,天天躁日日躁AAAAXXXX,亚洲精品乱码蜜桃久久久,青青草免费费观看,免费拍拍拍网站

Compared with traditional sheet-like high styrene rubber, Powdery High styrene rubber has the characteristics of good dispersion, low volatile content and low odor. It is an environmentally friendly high styrene rubber. Its advantages are as follows:
1. Good fluidity, resistance to caking;
2. It can be better used for polymer modification, such as PVC, MBS, SBS, etc.;
3. It is beneficial to reduce bubbles in processed products, and the product is smoother;
4. Wide range of applications, in addition to traditional fields, especially It is suitable for high-tech fields such as high-speed rail sleepers, rubber floor tiles, automobile tires, sealing strips, brake pads, etc.;