Sika launches new polyurethane sealant technology with less than 0.1% monomeric diisocyanate content
Sika launches its newly developed polyurethane sealant technology under the Purform® brand name. This technology enhances the strength and durability advantages of polyurethane and impresses with its …
my country’s ion exchange resin production is gradually increasing, and local companies are less competitive in the market
Ion exchange resin is a porous sponge-like solid polymer material formed by the reaction of active functional groups and polymer compounds. It has good acid and alkali resistance. At present, the type…