polyurethane composite board polyurethane composite panel is also called pu sandwich panel. the composite panel with polyurethane as the core material…
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…
most silicone oils play the role of nucleation, emulsification, and stabilization. silicon oil is foam stable foam stabilizers are a type of surfactan…
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…
the average listing price of polymerized mdi in q4 is 5,667 yuan/ton higher than that in the third quarter. ningbo’s 400,000 tons/year mdi devic…
ethylene glycol has adjusted at a high level, but there is limited room for correction due to limited support from spot stocks. the market opened high…