Poly propylene glycol is a kind of polymer, molecular formula is H(C3H6O)nOH, molecular weight is 400~2000, colorless to pale yellow viscous liquid. Not volatile. Non-corrosive.
Oct 28, 2022
Polyurethane is a high molecular compound. It was made by Otto Bayer in 1937. Polyurethane is divided into two categories: polyester type and polyether type. They can be made into
Isocyanate is a general term for various esters of isocyanate, which are used in household appliances, automobiles, construction, footwear, furniture, adhesives and other industrie
Mooney viscosity is a value measured with a Mooney viscometer, which basically reflects the degree of polymerization and molecular weight of synthetic rubber.
Diethylene glycol, a polyol, chemical formula C4H10O3, is a colorless, odorless, transparent, hygroscopic viscous liquid with a spicy sweet taste, non-corrosive, and low toxicity.
Polyethyl silicone resins are copolymers containing ethyl groups in the siloxane chain. The polymerization rate of polyethyl silicone resin is slower than that of polymethyl silico
Oct 25, 2022
Polyaryl silicone resin is a copolymer containing only phenyl groups in the siloxane chain, and has excellent properties such as high heat resistance and strong oxidation resistanc
Flexible Alternative Current Transmission Systems is a new technology for flexible and rapid control of AC transmission, which is formed by integrating power electronics technology
Oct 24, 2022
A turn-off thyristor is a power semiconductor device that controls the turn-on and turn-off of the device through a gate. GTO not only has the advantages of ordinary thyristor (hig
The bidirectional thyristor is made of N-P-N-P-N five-layer semiconductor material, and three electrodes are also drawn to the outside. A triac is equivalent to an inverse parallel
Power Electronic Device is mainly used for high-power electronic devices in power conversion and control circuits of power equipment (usually refers to the current of tens to thous
Crystalline silicon material is the most important photovoltaic material, which is gray-black solid with metallic luster, high melting point (1410), high hardness, brittleness, and
