Polyurethane piston
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Email: sales@inovpu.com,kevin@inovpu.com
Stock code
834261
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A professional manufacturer of downstream derivatives of ethylene oxide, propylene oxide, adipic acid, and polyurethane materials.
Cast Polyurethane Elastomers Tetrahydrofuran Prepolymer Series
Polyurethane lining
Polyurethane sealing ring
Polyurethane industrial belt
Polytetrahydrofuran polyurethane products have good hydrolysis resistance, moldy resistance, acid and alkali resistance, weather resistance, good resilience, excellent mechanical properties, and can be adjusted for color by adding colorants. They are used to make plate rods, rollers, pipe linings, elevator wheels, seals, rubber wheels, ceramic industrial belts, and some polyurethane elastomer miscellaneous parts.
Technical Indicators:
Model | D2130 | D2135 | D2142 | D2150 | D2162 | D2170 | |
Prepolymer Properties | |||||||
NCO Content ( % ) | 3.0±0.2 | 3.5±0.2 | 4.2±0.2 | 5.0±0.2 | 6.2±0.2 | 7.0±0.2 | |
25 ℃Appearance | White solid | White solid | White solid | White solid | White solid | White solid | |
Processing Technology | |||||||
MOCA Dosage ( g/100g Prepolymer) | 8.7 | 10 | 12.1 | 14.3 | 17.5 | 20.5 | |
Prepolymer Temperature ( ℃ ) | 85 | 80 | 80 | 80 | 75 | 75 | |
MOCA Temperature ( ℃ ) | 115-120 | 115-120 | 115-120 | 115-120 | 115-120 | 115-120 | |
Gel time ( min ) | 13 | 10 | 10 | 7 | 2 | 4.5 | |
Post-curing time ( h/100℃ ) | 16 | 16 | 16 | 16 | 16 | 16 | |
Hardness (Shore A ) | GB/T 531.1 | 80±2 | 85±2 | 90±2 | 92±2 | 95±2 ( 49D±2 ) | 97±2 |
