High-quality polyurethanes for high-performance cast elastomers
Polyurethane chemistry is known for its extraordinary versatility, and cast polyurethanes are no exception to this characteristic.
EPAFLEX offers a well-balanced portfolio of Epacast products to industrial users and is ready to work with customers to adapt existing products to the needs of an ever-changing industry.
Epacast products are developed and manufactured to the strictest criteria defined by ISO 9001, and EPAFLEX can leverage its scale to offer products that will help our customers compete and grow in a global market.
Whether you are interested in a polyether or caprolactone-based product for PU casting, EPAFLEX has the solution to your polyurethane casting problems. To the extent that our existing offering does not meet your needs, EPAFLEX’s R&D is ready to further develop the offering to more comprehensively address your applications.
TDI based EPACAST
Our conventional TDI-based prepolymers meet a range of property/application requirements and are formulated with a focus on ease of processing.
EPACAST T 1P03
High performance TDI-polyester based prepolymer. The polyester backbone has been chosen to offer resistance to solvents combined with good wear resistance.
FIELDS OF APPLICATION:
• Scraper blades • Wheels • Rollers – lacquer and paint applicator rollers • Pipeline cleaning pigs
TECHNICAL DATA:
- NCO: 3.3 – 3.7%
- Viscosity @80°C = 1500 – 2200 mPa*s
- Curative : MbMOCA
EPACAST T 1P04
High performance TDI-polyester based prepolymer. The polyester backbone has been chosen to offer resistance to solvents combined with good wear resistance.
FIELDS OF APPLICATION:
• Scraper blades • Wheels • Rollers – lacquer and paint applicator rollers • Gaskets
TECHNICAL DATA:
- NCO: 4.0 – 4.4%
- Viscosity @70°C = 2200 – 2800 mPa*s
- Curative: MbMOCA
EPACAST T 4P03
High-performance TDI-PTMEG prepolymer. The PTMEG backbone has been chosen to offer a combination of dynamic performance and resistance to hydrolysis.
FIELDS OF APPLICATION:
• Mining and quarrying, e.g. screen decks • Internal pipe coating • Wheels, e.g. fork lift truck wheels • High load roller coverings, e.g. steel mills.
TECHNICAL DATA:
- NCO: 2.6 – 3.0%
- Viscosity @100°C = 500 – 900 mPa*s
- Curative : MbMOCA
EPACAST T 4P04
High-performance TDI-PTMEG prepolymer. The PTMEG backbone has been chosen to offer a combination of dynamic performance and resistance to hydrolysis.
FIELDS OF APPLICATION:
• Mining and quarrying, e.g. screen decks • Wheels, e.g. fork lift truck wheels • High load roller coverings, e.g. steel and paper mill • Hydrocyclones • Vibration finishing bowls
TECHNICAL DATA:
- NCO : 4.1 – 4.5%
- Viscosity @70°C = 900-1500 mPa*s
- Curative: MbMOCA
EPACAST T 4P06
High-performance TDI-PTMEG prepolymer. The PTMEG backbone has been chosen to offer a combination of dynamic performance and resistance to hydrolysis.
FIELDS OF APPLICATION:
• Wheels, e.g. fork lift truck wheels • High load roller coverings, e.g. steel and paper mills • Hydrocyclones
TECHNICAL DATA:
- NCO: 6.1 – 6.5%
- Viscosity @100°C = 100 – 250 mPa*s
- Curative: MbMOCA
EPACAST T 6Q20
T 6Q20 is a high %NCO TDI-PPG prepolymer. It is intended to be used as a TDI precursor to allow for further conversion into lower %NCO prepolymers through the addition of PPG polyol.
FIELDS OF APPLICATION:
• Wheels (low load) • Non-dynamic roller coverings, e.g. conveyor rolls • Dunnage
TECHNICAL DATA:
- NCO: 19.3 – 20.3%
- Viscosity @25°C = 275 – 375 mPa*s
- Curative: MbMOCA
MDI based EPACAST
Our MDI-based products include prepolymers formulated for specific hardness and ‘QUASI’ multi-component systems that allow the processor to obtain a range of hardnesses. Specific performance characteristics are determined by careful selection of the accompanying polyol chemistry.
EPACAST M 1P06
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
EPACAST M 2P06
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
EPACAST M 4P06
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
EPACAST M 4P07
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
EPACAST M 4P11
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
EPACAST M 4P18
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