Polyester Base Polyurethane Prepolymer for cast elastomer
- group name
- Casting PU
- Min Order
- 1 piece
- model
- H1230,H1242,H1250,H1261
- update time
- Mon, 31 Dec 2007 13:05:18 GMT
Paramtents
Appearance light yellow tranparent liquid
Packging & Delivery
-
Min Order1 piece
Briefing
1. to make rods,
2.industrial wheels,
3.industrial rolls,
4.sealing rings
Detailed
Polyurethane Prepolymer:
1. to make rods,
2.industrial wheels,
3.industrial rolls,
4.sealing rings ,screen plates etc.
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 | H1230 | H1242 | H1250 | H1261 |
Appearance | Colorless or light yellow viscous liquid, storing in low temperature is solid ,heating and melting before use | |||
MOCA amount | 9.2 | 12.1 | 14.3 | 18 |
Blending Temperature (Performed polymer/MOCA) | 90/120 | 85/120 | 80/120 | 80/120 |
Gel time min | 12 | 10 | 8 | 6 |
Demould time (h/100) | 60 | 60 | 30 | 30 |
Past vulcanizing time (h/100) | 10 | 10 | 10 | 10 |
Ware property | ||||
Hardness shore A | 80±2 | 90±2 | 93±1 | 95±1 |
Tensile strength MPa | 30 | 35 | 40 | 44 |
Elongation at break % | 540 | 500 | 420 | 350 |
Tear strength KN/m | 70 | 80 | 85 | 100 |
Rebound % | 48 | 44 | 36 | 35 |
Density | 1.15 | |||
PTMEG Base
