Polymethylene polyphenyl polyisocyanate cas 9016-87-9

Products Name

Polymethylene polyphenyl polyisocyanate

Polymethylene polyphenyl polyisocyanate Details
Product name: Polymethylene polyphenyl polyisocyanate

CAS NO. : 9016-87-9


MW: 149.14668

Appearance: light yellow to brown viscous liquid

Assay: 99%

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cas 9016-87-9 Typical Properties

tem of testing
Inspection Standard

Chromatic Number(APHA)
30 Max

MDI Purity,%
99.6 Min

Solidification point,°C
38.1 Min

Cyclohexane Insolubles,%
0.3 Max

Hydrolysable Chlorides,%(m/m)
0.005 Max

cas 9016-87-9 Usage

Polyphenyl polymethylene polyisocyanate bai acid ester, referred to as PAPI, light yellow to brown viscous liquid. There is a pungent odor. The relative density (20℃/20℃) is 1.2, and the ignition point is 218℃. Freezing point <10℃. Viscosity (25℃) 200~1000mPa.s. This product is used to manufacture polyurethane adhesives, and can also be directly added to rubber adhesives to improve the adhesion between rubber and nylon or polyester threads. cas 9016-87-9 Store  Store in a cool, ventilated, dry warehouse, away from fire and heat sources. Strictly waterproof, moisture-proof, and avoid light.


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