ESTANE 58311 TPU Technical Data Sheet Type: ESTANE? 58311 is a 85A Polyether-Type Thermoplastic Polyurethane (TPU). Features: Very good physical properties, hydrolysis resistance, low temperature performance and abrasion. Wide processing window for extrusion. Uses: Flat Die/t Film Extrusion, Profile Extrusion. Physical Properties Value (Metric) Unit Test Method Hardness (5 sec) 85 +/- 3 Shore A ASTM D-2240 Specific Grity 1.13 ASTM D-792 Tensile Strength 6600 (45.5) psi (MPa) ASTM D-412 Ultimate Elongation 520 % “ Tensile Stress at: - Elongation 900 (6.2) psi (MPa) ASTM D-412 - 300% Elongation 1700 (11.7) psi (MPa) “ Tear Strength: - Gres 390 (7.0) lb/in (kg/mm) ASTM D-624 (die C) - Trouser 120 (2.1) lb/in (kg/mm) ASTM D-470 Tm (by DSC) 275 (135) °F (°C) Lubrizol Advanced Materials Tg (by DSC) -56 (-49) °F (°C) Lubrizol Advanced Materials ? Prior to testing samples were conditioned at 23°C for 48 hours. ? Based on extruded sheet (30 mils). ? Listed values are “typical (erage) values” and should/cannot be applied for specification pures. Supply Form and Standard Packaging ? ESTANE? 58311 TPU is supplied in pellet form and packaged in 50 lb bags or 1000 lb boxes. Material Preparation ? Prior to processing, ESTANE? 58311 TPU must be dried at 220°F (104°C) for 2-4 hours. ? It is recommended to dry the material in a desiccant type dryer. Target dew point should be -40°C