1 DXY-1 type selective catalytic method catalyst main technical parameters: (Adaptation to gas source: acidic analysis gas containing H2S and conversi…
1. What is sprayed rigid foam polyurethane? Sprayed rigid polyurethane is a new type of waterproof and thermal insulation material made of polymer by …
1、Polyether As the main raw material, polyether reacts with isocyanate to produce carbamate, which is the skeleton reaction of foam products. In the c…
1、High closed pore rate (1) polyether polyol: high proportion of ethylene oxide, high activity, more occurring in the replacement of polyether polyol …
01 Definition of silicone oil Silicone oil is a kind of polyorganosiloxane with different polymerization degree chain structure. It is made by hydroly…
High resilience cold-aged polyurethane foam has excellent mechanical properties and high compression load ratio, so it has remarkable sitting comfort,…
Total production of polyurethane products in China in 2021 was 12,693,900 tons, up 8.3% year-on-year
China PU Products Market Research Report 2021 Core Content and Report Highlights Core contents of the annual report: production of various types of po…
China’s flexible polyurethane foam market has a large capacity and fast growth rate. Driven by the rapid development of furniture and automobile…
Shanghai Qiguang Industry & Trade Co. Shanghai Qiguang Industry & Trade Co., Ltd. About us Shanghai Qiguang Industry & Trade Co. Founded i…
Industrial catalysts in their infancy The beginning of catalytic technology engaged in industrial scale production The history of the catalyst industr…
Affected by the construction conditions, equipment, technology and environment, polyurethane hard foam will appear various abnormal phenomena in the c…
51. The basic reaction of foam preparation A: It refers to the reaction of -NCO with -OH, -NH2 and H2O. When reacting with polyol, the “gel reac…
