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Sponge is a porous material with good water absorption and can be used to clean items. Commonly used sponges are made from wood cellulose fibers or fo…
Silicon oil usually refers to linear polysiloxane that remains liquid at room temperature. It is a type of silicone product with many varieties and a …
During the foaming process, if the hardness of the hard foam is not enough, how to increase the hardness? 01 The lower cost first choice is to add cal…
Shanghai Qiguang Industry and Trade Co., Ltd. Shanghai Qiguang Industry & Trade Co., Ltd. About Us Shanghai Qiguang Industry and Trade Co., Ltd. Q…
During the foaming process, if the hardness of the hard foam is not enough, how to increase the hardness? In this regard, I have collected some soluti…
In the preparation process of polyurethane foam, the main role of the catalyst is to adjust the speed of the foaming reaction and gelation reaction to…
Influence of catalysts, the one-step process requires a more active catalyst than the prepolymer process, and a composite catalytic system of organoti…
1 There are various accidents and problems encountered in actual foam production, and each accident is caused by many factors. In the analysis of acci…
Petrochemical Catalysts An important type of product in the catalyst industry, it is used in chemical processing processes in the production of petroc…
Industrial Catalysts Catalysts occupy an extremely important position in the modern chemical industry. More than 90% of chemical production processes …
Project Introduction Catalysis is the study of the effects of energy barriers and rates of chemical reactions on other substances. Usually in the hete…
1. Hydroxyl value: The amount of hydroxyl (-OH) contained in 1 gram of polymer polyol is equivalent to the number of milligrams of KOH in mgKOH/g. 2. …
