In general, we recommend that the amount of silicone oil is 1.5 to 3.0% of the total amount of polyether + polyester. According to different seasons, …
Important raw materials for tires: rubber chemicals market a hard to find goods “Give some goods, give some goods, 1 ton we also pull away.̶…
In the process of polyurethane foam preparation, the role of catalysts is mainly to regulate the speed of foaming and gelation reactions to make them …
I. Polyurethane curing principle Due to the presence of carbamate group (NHCOO-) in the main chain, commonly known as polyurethane adhesives, the stru…
I. Water proportioning Water: amine: silicone oil = 100: 7: 35 Amine is A-33 or A38 imports of domestic can be. Silicone oil can be imported L-580, or…
Flame retardant soft foam (flame retardant sponge) is often used in export cotton, high-end home furnishing cotton. Fourteen years of flame retardant …
(A) talk about the equipment Slow rebound sponge foaming equipment and ordinary cotton foaming equipment is basically the same. The country now uses t…
Factors affecting the effect of slow rebound: NCO index The effect of NCO index on slow rebound. Low: soft, slow recovery speed, blowing can be…
The production method for making amino silicone oil with D4 or DMC is as follows. 1、Hydrolysis of coupling agent First, put 100kg of piperazine-based …
1.Preface As we all know, polyurethane slow rebound foam is also called memory foam and viscoelastic foam, and its unique feature is that it can confo…
In general, life on Earth is defined as a class of semi-open material systems composed of organic matter and water, one or more cells with stable mate…
No matter what, we broke into the polyurethane industry and are proud of the fact that polyurethane materials are the best among many chemical synthet…
