polyurethane is widely used in various industries in my country. its wear resistance, high strength and other properties make it widely used in the fi…
recently, the spot market atmosphere of the domestic ethylene glycol market has been active, and prices have continued to fluctuate. the average domes…
generally speaking, life on earth is defined as: a type of organism composed of organic matter and water, composed of one or more cells, with stable m…
no matter how we entered the polyurethane industry, we are proud that polyurethane materials are the best among many chemical synthetic materials. how…
high resilience sponges are everywhere in our lives, and silicone oil is an indispensable component in sponges. it is used to adjust the cell structur…
foam stabilizer (silicone oil) 1. what is silicone oil silicon oil is a kind of organic silicone surfactant. it was first called foaming spirit in chi…
generally, we recommend that the dosage of silicone oil is 1.5~3.0% of the total amount of polyether + polyester. appropriate adjustments must be made…
important raw materials for tires: rubber additives are hard to find in the market “give me some goods, give me some goods, we will also take aw…
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…
1. principle of polyurethane curing because it contains a urethane group (nhcoo-) in the main chain, it is commonly known as polyurethane adhesive. it…
1. water distribution ratio water: amine: silicone oil = 100: 7: 35 the amine is a-33 or a38, which can be imported or domestically produced. the sili…
flame-retardant soft foam (flame-retardant sponge) is commonly used in export foam and high-end furniture foam. in the past fourteen years, the physic…