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Divers
River sand |
Cette page concerne les importateurs et exportateurs de River sand Rechercher dans la catégorie : Divers Rechercher dans la catégorie : river, sand |
Vendredi 11 novembre 2022
aisi 420 equivalent stainless steel: After quenching, it has high hardness and good corrosion resistance (magnetic). After quenching, the hardness of 420J2 stainless steel is higher than that of 420 steel (magnetic). There are 44 equivalent materials for aisi 420 equivalent Stainless Steel...
Vendredi 11 novembre 2022
431 ss (stainless steel) sheet has a good oxidation resistance and intensity of medium temperature. So it is widely used in decoration, sugical instruments, household appliances, cookware.lableware automobile and other industry construction. 431 ss (stainless steel) has high strength...
Samedi 01 janvier 2022
Silane coupling agent, also known as silane treatment agent and primer, is a kind of low molecular organic silicon compound with special structure. The speciality of silane coupling agent lies in the two types of reactive groups with different chemical properties contained in it....