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HEBI CYCLE COMMERCIAL CO., LTD

NO.33 TAISHAN ROAD,Hebi,Henan,China

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Free Member

Product Specification

Application: : polyurethane adhesives, coatings, elastomers, foam and fiber

Product Description

NamePUPPolyurethane prepolymer
Definition: polymers formed by the reaction of polyisocyanate and polyether or polyester polyol under certain conditions
Classification: according to the reaction characteristics of terminal group, terminal isocyanate prepolymer, terminal hydroxyl prepolymer, prepolymer containing closed group, polyurethane prepolymer containing other groups, such as terminated silyl and end acrylic ester
Application:
Polyurethane adhesives, coatings, elastomers, foam and fiber, etc.
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Prepolymer model HJ-1885-1 HJ-1582-2 HJ-1590-2 HJ-3157
NCO% 9.7±0.2 9.0±0.2 11.0±0.2 --
Density/25℃ 1.10 1.10 1.10 1.23
Viscosity/80℃ 500-800 600-900 500-800 1500-1800
Color (solid) Snow-white Snow-white Snow-white Snow-white
Color (liquid) Colorless transparent or light amber color AB component is light yellow AB component is light yellow Colorless transparent or light amber color
Operable timeminPrepolymer80-85℃/MOCA Chain extension 2-3 7-10 6-9 120-150
One time demoulding time min/115℃ 40 40 13 --
Two times vulcanization time (hour)/100℃-120℃ Normal temperature vulcanization Normal temperature vulcanization 16 16
A B Mixture ratio 100:100 100:100 100:100 100:4.4
Physical propertyMOCA Chain extension        
Hardness (Shore A) 85±2 82±2 90±2 57±2
Tensile strengthMPa 10-15 9-14 18-35 25-30
Tear strengthKN/m 80-100 60-80 90-130 30-50
Elongation at break% 350-500 350-550 400-550 450-600
Permanent deformation % 12-16 15-18 2 1
Springback% 32-40 25-30 25-30 45-50
DIN Roller wearmm3 -- ≤ 120 ≤ 120 --
At room temperature, it is operable and easy to operate. The products have good wear resistance, water resistance, mould resistance, yellowing resistance, high resilience and excellent mechanical properties.
Used in the manufacture of rods, plates, rubber, sealing ring, sieve cyclone, impeller, sports equipment, skateboard wheel, polyurethane elastomer miscellaneous etc. 
Specialized field HKR-6201 HKR-6201O
Prepolymer Normal temperature appearance(25℃) Waxy solid Waxy solid
NCO Content(%) 3.6~4.2 3.6~4.2
Use ratio(PHR) 3.7~4.3 3.7~4.3
Pot life(75~78℃/min) 3~5 3~5
Physical properties of finished products Hardness (Shore A) 90±5 90±5
Tensile strength(MPa) 53.5 57.1
Tear strength(kN/m)  

Contact Us

Contact Person :Ms. Sally

Company:HEBI CYCLE COMMERCIAL CO., LTD

Address:NO.33 TAISHAN ROAD, Hebi, Henan, China,458000

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Ms. Sally < HEBI CYCLE COMMERCIAL CO., LTD >
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