国产综合一区二区三区_日韩久久精品国产_中文字幕一区在线观看视频_小12国产萝裸体视频福利_手机小视频国产在线观看_欧美一级午夜大片免费观看网站_亚洲特级毛片av无码专区_少妇中文免费日本_嫩草国产精品白浆传媒在线观看_久久婷婷老司机熟女一一区福利

GB0500 acid sheet series
Specification: 1 ~ 80mmX500 ~ 2000mm
Performance: There is a strong medium resistance in acid environments, corrosion
Uses: Punch all kinds of acid, alkali corrosion quality seals, gaskets, chemical industry pipeline, storage seal protection, laying the desktop lab bench
Design: according to customer requirements, customized special size and technical requirements of the product
Packing: woven bags, plastic film bags, packaging by weight or fixed length

GB0501 character sheet acid
Parameters: Specific Gravity: 1.6; Tearing: 4Mpa; Elongation: 250%; Hardness: 70 ° ± 5 °
Medium for acid, alkali concentration is low, corrosive: Uses