MDI prepolymers for use in polyurethane cast elastomer systems
The polyester component of this MDI-based prepolymer has been chosen to yield high performance elastomers with a good balance of dynamic performance and physical properties. 
FIELDS OF APPLICATION: • Mining screens • Scraper blades • Wheels • Gaskets • Pipeline cleaning pigs
TECHNICAL DATA:
- NCO: 6.3 – 6.7%
- Viscosity @80°C = 1500 – 2000 mPa*s
- •Curative: 1,4-Butanediol
The polyester component of this MDI-based prepolymer has been chosen to yield high performance elastomers with a focus on excellent wear resistance.
FIELDS OF APPLICATION: • Scraper blades • Agricultural components.
TECHNICAL DATA:
- NCO: 6.5 – 6.9%
- Viscosity @100°C = 450 – 750 mPa*s
- Curative: 1,4-Butanediol
High-performance MDI-PTMEG prepolymer. When processed with a EPACAST P4000/R curative the resulting short gel-time makes the system suitable for rotational covering of industrial rollers.
FIELDS OF APPLICATION: • Steel mill industrial rollers. • Paper mill rollers.
TECHNICAL DATA:
- NCO: 5.8 - 6.2%
- Viscosity @70°C = 1200 - 1800 mPa*s
- Curative : EPACAST P4000/R
MDI/PTMG polyol based prepolymer. Exhibiting low viscosity at process temperature the prepolymer offers benefits in material handling and processing through dispensing machines.
FIELDS OF APPLICATION: • Pump linings • Mining screens
TECHNICAL DATA:
- NCO: 7.3 – 7.7%
- Viscosity @70°C = 1000-1500 mPa*s
- Curative: 1,4-Butanediol
MDI/PTMG polyol based prepolymer. Exhibiting low viscosity at process temperature the prepolymer offers benefits in material handling and processing through dispensing machines.
FIELDS OF APPLICATION: • Paper mill rollers • Industrial roller
TECHNICAL DATA:
- NCO: 11.3 – 11.7%
- Viscosity @60°C = 500-700 mPa*s
High-performance MDI-PTMEG prepolymer designed to manufacture technical components ranging from 60 Shore A to 95 Shore A hardness.
FIELDS OF APPLICATION: • Wheels • Agricultural components • Automotive suspension bushes
TECHNICAL DATA:
- NCO: 18.3 – 18.7%
- Viscosity @60°C = 200-400 mPa*s
- Curative : EPACAST P 4000/1,4-BD
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