99精品久久久久久久另类,精品天堂av,久久亚洲国际,99久久精品免费,91成人亚洲,日本99久久,久久久久国产精品午夜一区

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