Paramtents
Appearance light yellow tranparent liquid
Packging & Delivery
Min Order1 piece
Briefing
Detailed
Polyurethane prepolymer:It applies to make rods, wheels, sealing rings ,screen plates and other polyurethane elastomer wares.
Polyester Base Polyurethane Prepolymer for cast elastomer
Application It applies to make rods, wheels, sealing rings ,screen plates and other polyurethane elastomer wares.
Characteristics The wares has good abrasive resistance, oil resistance and excellent mechanical property, changing colors by adding colorant.
Operating point After the prepolymer vacuum degassing in 80-85, blending with melted MOCA, degassing, pouring, sulfuration molding, applying to manual operation and machine mixing.
Storage Storing in a cool and dry place. If you cant use it up at a time, filling nitrogen and then sealing it. The storage time of original binding is 6 month.
Packing 20kg or 200kg galvanized iron drum
Type | H2321 | H2330 | H2336 | H2342 | H2345 | H2348 |
Appearance | Light yellow viscous liquid, long time storing in low temperature is solid | |||||
MOCA (g/100 prepolymer) | 6 | 8.6 | 10.5 | 12.5 | 12.9 | 14 |
Mixing temperature Prepolymer/MOCA | 90/120 | 85/120 | 80/120 | 80/120 | 80/120 | 75/120 |
Gel time min | 9 | 8 | 4 | 4 | 3 | 3 |
Demould time (h/100) | 1 | 1 | 1 | 1 | 1 | 1 |
Post vulcanizing time (h/100) | 10 | 10 | 10 | 10 | 10 | 10 |
Ware property | ||||||
Rigidity shore A | 71±2 | 80±2 | 85±2 | 90±2 | 92 | 95±2 |
Tensile strength MPa | 40 | 40 | 45 | 45 | 45 | 43 |
Elongation at break % | 750 | 760 | 600 | 600 | 600 | 600 |
Tear strength KN/m | 50 | 80 | 95 | 100 | 100 | 103 |
Rebound % | 35 | 39 | 20 | 20 | 29 | 25 |
Density | 1.25 |
PES
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