In the polyurethane rigid foam catalyst system, the required CO2 is obtained through the water-isocyanate reaction, so it is necessary to control the …
Recently, incidents of “poisonous plastic runways” have occurred frequently in Jiangsu and other places. Relevant departments have detecte…
1. Application fields: Commonly used in various fields of polyurethane catalyst industry, such as elastomers, coatings, foams, sealants, PU synthetic …
As the catalyst concentration of polyurethane rigid foam increases, the tensile strength, shear strength and compressive strength of the foam increase…
Polyurethane catalystFoaming application range: 1.Soft Block foam Soft block polyether polyol-based foam is a typical tertiary amine catalyzed reactio…
Properties and Characteristics of Two Types of Cationic Surfactants The charge in cationic surfactants is opposite to that of anionic surfactants, so …
Aromatics (Class III Dangerous Goods) Aromatic hydrocarbons mainly from the refinery catalytic reforming device by aromatic extraction, ethylene devic…
Category III hazardous materials Diesel fuel (Class III hazardous material) It is a light petroleum product, a mixture of complex hydrocarbons (about …
Diisopropyl peroxide (Class V hazardous material) Also known as sulfurizing agent DCP, Dicumyl peroxide. Molecular formula C18H22O2, relative molecula…
The concept of catalysts There are three cognitive levels for mastering basic concepts: 1. memory characterization (retentive mechanical memory, compr…
Ether (Class VI hazardous) Colorless transparent liquid. Has a peculiar pungent odor. With sweet odor. Extremely volatile. Its vapor is heavier than a…
Formaldehyde (Class VI Hazardous Chemicals) Chemical formula HCHO, formula 30.03, also known as ant aldehyde. Colorless gas, with a special odor, irri…
