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Keyflex® BT HB9255D is a medium-modulus thermoplastic copolyester elastomer (TPC) developed by LG Chem. It offers excellent mechanical strength, flexibility at low temperatures, and outstanding resistance to heat, chemicals, and weathering.
This grade is optimized for extrusion blow molding and is well suited for applications such as automotive air ducts, hoses, and tubing where a balance of toughness, elasticity, and environmental durability is required.
Specific Gravity (ASTM D792): 1.16
Mold Shrinkage (ASTM D955): 1.5-1.9 %
Tensile Strength @ break (ASTM D638): 400 kg/cm²
Tensile Elongation @ break (ASTM D638): 500 %
Flexural Modulus (ASTM D790): 2000 kg/cm²
Shore D Hardness (ASTM D2240): 47
MFR (ASTM D1238): 3 g/10min @ 230°C
Keyflex® BT HB9255D is a medium-modulus thermoplastic copolyester elastomer (TPC) developed by LG Chem. It offers excellent mechanical strength, flexibility at low temperatures, and outstanding resistance to heat, chemicals, and weathering.
This grade is optimized for extrusion blow molding and is well suited for applications such as automotive air ducts, hoses, and tubing where a balance of toughness, elasticity, and environmental durability is required.
Specific Gravity (ASTM D792): 1.16
Mold Shrinkage (ASTM D955): 1.5-1.9 %
Tensile Strength @ break (ASTM D638): 400 kg/cm²
Tensile Elongation @ break (ASTM D638): 500 %
Flexural Modulus (ASTM D790): 2000 kg/cm²
Shore D Hardness (ASTM D2240): 47
MFR (ASTM D1238): 3 g/10min @ 230°C