Temanit ® 3681 for the public transport sector Description: Modified polyolefin-copolymer for use in rail, rolling stock and public transport vehicles. Advantages: very low heat release rate balanced mechanical properties low smoke toxicity easy processing Physical Properties: Modulus of elasticity: 3300 MPa Tensile strength: 58 MPa Charpy impact: 16 kJ/m² HDT-A: >89 °C Heat release rate (HRR): <100 kW/m²