Two Component Mdi Foam Polyurethane (PU) System for Window/Glass Encapsulation Window Sealing Strip Car/ Vehicle/Automobile

Min.Order: 1
Product origin: Dongguan, Guangdong, China
Infringement complaint: complaintComplaint
US$ 2

Description
Product Description
 
 
product name
Polymethylene polyphenyl polyisocyanate , referred to as PAPI;polymeric MDI;light yellow to brown viscous liquid. There is a pungent odor. This product is used to manufacture polyurethane adhesives, and can also be directly added to rubber adhesives toimprove the adhesion between rubber and nylon or polyester threads.
Synonyms
isocyanate 580;polymeric isocyanate;Polymeric diphenylmethane diisocyanate;PMDI;MDI oligomer;polymeric 4,4'-methylenediphenyl diisocyanate;polymethylenepolyphenol isocyanate;polyphenyl isocyanate;PAPI;Polymethylene polyphenylisocyanate
Viscosity (25ºC)/mPa s
150~250
Isocyanate content (-NCO)/%
30.5~32.0
Density (25ºC) / (g/cm3)
1.220~1.250
acidity/%
≤0.030
Hydrolyzed  / %
≤0.20

PMDI of Specification
name
appearance
-NCO CONTENT (%)
average functionality
VISCOSITY(25ºC,mpa.s)
Density (25ºC) / (g/cm3)
ACIDITY (%)
pm200
brown liquid
30.2-32.0%
2.6-2.7
150-250
1.22-1.25
≤0.05
m-20s
brown liquid
30.5-31.5%
2.7
170-230
1.22-1.24
≤0.04
44V20L
brown liquid
30.5-32.5%
2.6-2.7
160-240
1.22-1.24
≤0.04
 PAPI 27
brown liquid
30.9-32.1%
2.7
150-220
1.22-1.24
0.015-0.025
m-200
brown liquid
30.8-31.8%
2.7
150-250
1.22-1.24
≤0.04
PAPI 135
brown liquid
30.9-32.1%
2.7
150-220
1.22-1.24
0.015-0.025

 

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