Chemicals
9003-39-8 Pharma Grade Polyvinyl pyrrolidone K17/PVP K17
Other name: Polyvinylpyrrolidone CAS NO.: 9003-39-8 MF: (C6H9NO)n MW: 111.14 Melting point: 130ºC Appearance: White crystalline powder TEST ITEMS SPECIFICATIONS Appearance A White to yellowish white powder First Identification: A, E. Positive Second Identification: B, C, D, E. Positive Appearance of solution Clear and not more intensely coloured than reference solution BY6/B6/R7 Heavy Metals (Lead) ≤10ppm Lead ≤10ppm Hydrazine ≤1ppm Impurity A(1-Vinylpyrrolidin-2-one) ≤10ppm
Amine catalyst (TEDA-A33) for pu foam
hot sale Amine catalyst A33 factory price A33 is solution of triethylene diamine in propylene glycol, which is a catalyst specially designed for polyurethane foams and polyurethane elastomer. Physical Properties Form Liquid Gravity @ 20 ℃ 1.033 The average weight per gallon @ 20 ℃ / 1b 8.59 Viscosity @ 23.9 ℃, cSt 100 Vapor Pressure @ 37.8 ℃, mmHg 2 Water-soluble @ 20 ℃ Unlimited Flash point (Pensky-Martens Closed Cup) (1) / ℃ 87.78 Application: rigid PU foams,microporous PU
stannous octoate T9 Tin Catalyst for making pu foam
T9 is widely used in various types of polyurethane foam. Physical Properties Appearance light yellow liquid Colour 3 MAX Density(25℃) 1.25-1.31 Stannous Content of Total Tin (%) 96%min Tin content(%) 28min Application used in the production of soft polyurethane foam. Packing: 25Kgs per plastic drum, net weight.
ilicon oil for polyurethane industry chemical auxiliary for pu foam production
Silicone oil 3630 Silicone 3630 is a surfactant used in the production of polyether type polyurethane foam box molding foam, it is a non-hydrolytic stabilizer. Physical properties viscosity(25℃) 950±150mPas density(25℃) 1.03±0.01g/cm3 pH(4%water solution) 10.3±0.5 Cloud point(4%water solution) 37±2℃ Storage condition We guarantee a shelf life of at least 6 months under the condition that it is in factory-packed containers and protected against extreme weather conditions, such
PU Foam chemical TDI 80/20 TOLUENE DIISOCYANATE
Applications: It is used for organic synthesis, production of foam plastics, coatings and is used as chemical reagent Specification: Toluene diisocyanate 80/20 CAS NO.:584-84-9 Synonym: TDI 80/20 characteristics unit result specification minimum maximum acidity(HCI) ppm 2 --- 15 hydrolysable chlorine ppm 47 --- 70 total chlorine ppm 135 --- 300 color hazen 10 --- 15 isomer 2,4 content % 80.0 79.0 81.0 TDI content % 99.7 99.5 --- isomer 2,6 content % 20.0 19.0 21.0
Blend polyol for polyurethane rigid foam
Blend polyol for polyurethane rigid foam Please note we do not supply foam in block or other finished forms - we supply liquid components for the manufacture of foam by our customers. Grade Application Nature Remarks 1001b Refrigerator and Freezers (141B blown) Clear yellow liquid With 141B blowing agent and when combined in the given ration with MDI, it gives fine cell structure,good thermal insulation properties and high production efficience 1001W Refrigerator and Freezers
polyurethane insulation foam Isocyanate Polymeric MDI
appearence: Brown transparent liquid ; boiling point (℃): 200~208; stability: stable. Incompatible with strong oxidizing agents, alcohols. May decompose in moist air, or on contact with water. MDI Applications: Isocyanates MDI is extensively application in most of field, such as thermal insulation rigid foam, PU coating, PU adhesive, Seepage-proofing, structure foam, Automobile bumper, high resilience etc. With good performance such as very good fluidity, very good foaming