Knowledge

The catalysts for casting foam molding are mainly amine catalysts. Delayed amine catalysts can be used to prolong the whitening time to meet the filli

How to judge the quality of high-density sponge? 1. Appearance: Except for the special large-pore and random-porous sponges, the more delicate the

The Technology And Basic Principle of Processing High-density Sponge The polyurethane sponge of the sponge manufacturer is a low-density PU with a rel

The adjustable range of performance is large. A number of physical and mechanical performance indicators can be changed within a certain range through

The hardness range of ordinary rubber is Shore A20 to Shore A90, the hardness of plastic is about Shore A95 to Shore D100, and the hardness of polyure

Flexible polyurethane foam (referred to as polyurethane flexible foam, PU flexible foam) refers to a type of flexible polyurethane foam with certain e

Release agent, also known as release agent, release agent. It is an interface coating between the mold and the molded object, which can make the surfa

Polyester polyurethane is obtained by the reaction of polyester and isocyanate, wherein polyester is obtained from polybasic acid (such as adipic acid

Brief Introduction of Polyurethane Material What is a polyurethane material? Polyurethane is a polymer material, which is used in many fields of the n

Effects of Different Structures on the Properties of Polyurethane Elastomers There are many kinds of raw materials of polyurethane elastomers, the com

Polyurethane flexible foam refers to a porous or reticulated foam (sponge) material with certain elasticity and softness. Its outstanding properties a

After the casting is completed, the mold is placed in an oven at 220-250 °C (not lower than 180 °C), and after the reaction is completed, it is taken