Hytrel® TPC-ET HTR8351 NC021

Hytrel TPC-ET HTR8351 NC021 is a low-modulus thermoplastic polyester elastomer (TPC-ET) with a nominal hardness of 30D. This natural-colored grade is UV-stabilized and non-discoloring, designed specifically for extrusion applications. It provides excellent toughness, resilience and flexibility at low temperatures while maintaining property retention at elevated temperatures. Hytrel TPC-ET HTR8351 NC021 demonstrates outstanding resistance to creep, impact and flex fatigue and offers good chemical resistance to oils, fuels, solvents and many industrial fluids. The material is plasticizer-free, light-stabilized and exhibits reliable melt stability for extrusion processing.

Key Features:

• Low-modulus grade (30D) with high flexibility
• UV-stabilized and non-discoloring formulation
• Excellent toughness and resilience
• Outstanding resistance to creep, impact and flex fatigue
• Good resistance to oils, fuels, solvents and industrial chemicals
• Stable melt behavior suitable for extrusion
• Natural, colorable NC021 grade
• Plasticizer-free with long-term property stability

Processing Form:

• Injection Molding
• Extrusion
• Other Extrusion
• Calendering
• Casting
• Thermoforming

Processing Notes:
Drying is recommended at 80°C for 2–4 hours to achieve a processing moisture content ≤0.08%. Hytrel TPC-ET HTR8351 NC021 has an optimal melt temperature of 190°C (range 180–200°C) and a mold temperature of 30–40°C. For extrusion, dry at 80°C for 2–3 hours to achieve ≤0.06% moisture, and process at a melt temperature range of 170–185°C. Hytrel is incompatible with acetal and PVC. Please refer to the molding and extrusion guidelines for detailed recommendations.