Celanese®
Santoprene® TPV 691-73W175
Santoprene TPV 691-73W175 is a soft, colorable thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material is designed for thin-wall, architectural glazing and sealing applications, offering excellent definition and dimensional stability. Santoprene TPV 691-73W175 is shear-dependent and can be processed on conventional thermoplastics equipment for extrusion or thermoforming. It is polyolefin based and recyclable within the manufacturing stream.
Key Features:
- Recommended for glazing and sealing applications
- Optimized for thin-wall extrusion with excellent definition (down to 0.33 mm radius)
- Minimal build-up on dies for long continuous runs
- Excellent ozone resistance
- Excellent flex fatigue resistance
- Recyclable within the manufacturing stream
Processing Form:
- Extrusion
- Sheet Extrusion
- Thermoforming
- Coextrusion
Processing Notes:
Desiccant drying for 3 hours at 80°C (180°F) is recommended. Santoprene TPV has a wide temperature processing window from 175 to 230°C (350 to 450°F) and is incompatible with acetal and PVC. Do not exceed 15% drawdown. A high screw RPM (100–200) is recommended, and back pressure of 0.3–0.7 MPa may be used to ensure homogeneous melt and consistent shot size.
Applications:
Building & Construction, Consumer Goods
Hardness:
78A
Delivery Form:
Pellets
Key Sustainability Features of Santoprene TPV
Recyclable
Unlike traditional rubber, Santoprene TPV can be reprocessed, reducing waste and improving manufacturing efficiency.
Lightweight
Reduces material usage and contributes to energy savings in transportation and logistics.
Eco-Friendly Production
Requires less energy during processing compared to traditional vulcanized rubbers.
Longevity
Durable products reduce replacement rates, minimizing overall resource consumption.
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