polyurethane delay catalyst is an extremely special type of catalyst among polyurethane catalysts. this type of catalyst can provide the catalytic act…
1． what is spray rigid foam polyurethane? spray rigid foam polyurethane is made of isocyanate (mdi, commonly known as black material) and polyol (comm…
what should i do if the polyurethane molded high-resilience sponge seat cushion becomes sticky or peels? polyurethane soft foams are mostly open-cell …
a summary of polyurethane soft foam formulas 01 foreword polyurethane soft foam series products mainly include block, continuous, sponge, high resilie…
today we introduce several common metal catalysts for polyurethane, including dibutyltin dilaurate and stannous isooctate, which are the best catalyst…
a brief analysis of urethane delay catalyst polyurethane delay catalyst is an extremely special type of catalyst among polyurethane catalysts. this ty…
due to a supply failure of raw material nitric acid, ’s european mdi and tdi plants were forced to reduce their load: on october 6, announced that its…
most silicone oils play the role of nucleation, emulsification, and stabilization. silicon oil is foam stabilizing foam stabilizers are a type of surf…
nowadays, the coating industry is developing in full swing, and various new coatings are widely used. although acrylic polyurethane topcoats have enco…
silicone oil is divided into three major categories: dimethyl linear silicone oil, methylphenyl silicone oil, various modified silicone oils and their…
1. high closed cell ratio (1) polyether polyol: high proportion of ethylene oxide and high activity, which often occurs when replacing polyether polyo…
polyurethane industry under the new normal in 2016, the term “new normal” appeared frequently, and it is very consistent with the current …