ESTANE 58237 TPU Technical Data Sheet Type: ESTANE? 58237 is a 90A aromatic Polyether-Based Thermoplastic Polyurethane (TPU). Features: High moisture vapor transmission. Good physical properties and elasticity. Uses: Blown and flat die/t film extrusion. Physical Properties Value (Metric) Unit Test Method Hardness (5 sec) 90 +/- 3 Shore A ASTM D-2240 Specific Grity 1.22 ASTM D-792 Tensile Strength 5000 (34.5) psi (MPa) ASTM D-412 Ultimate Elongation 550 % “ Tensile Stress at: - Elongation 900 (6.2) psi (MPa) ASTM D-412 - 300% Elongation 2000 (13.8) psi (MPa) “ Tear Strength: - Gres 450 (8.1) lb/in (kg/mm) ASTM D-624 (die C) - Trouser 120 (2.1) lb/in (kg/mm) ASTM D-470 Taber Loss (1000 rev) 0.0014 (40) oz (mg) ASTM D-3389 (H18, 1000g) Tm (by DSC) 291 (144) °F (°C) Lubrizol Advanced Materials Tg (by DSC) -11 (-24) °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? 58237 TPU is supplied in pellet form and packaged in 50 lb bags or 1000 lb boxes.