路博润ESTANE 2102-75A TPU

路博润ESTANE 2102-75A聚己内酯高弹性TPU

Technical Data Sheet Type: Estane? 2102-75A is a thermoplastic polyurethane elastomer. Feature: Memory, elasticity and impact modification. 1 Typical properties; not to be construed as sales specifications. Fabrication conditions, part design, additives, processing aids, finishing materials and use conditions can all affect the integrity, performance and regulatory status of finished goods. 2 Tests conducted on 0.126 inch (3.2mm) injection molded specimen, unannealed, unless noted. Properties Test Method English S.I. Valuest Units Valuest Units Physical(1) Hardness, Shore A ASTM D 2240 77 A 77 A Specific Gravity ASTM D 792 1.17 1.17 Taber Abrasion Resistance, 1000g, 1000 cycles; H-22 wheel (coarser) ASTM D 1044 - mg 20 mg Mold Shrinkage, Transverse direction ASTM D 955 -0.2-0.5 % -0.2-0.5 % Mold Shrinkage, Flow direction ASTM D 955 0.4-0.6 % 0.4-0.6 % Mechanical(2) Tensile Modulus -50% elongation -*** elongation -300% elongation ASTM D 412 430 680 1400 psi psi psi 3.0 4.7 9.7 MPa MPa Mpa Ultimate Elongation ASTM D 412 535 % 535 % Ultimate Tensile Strength ASTM D 412 5400 psi 37.2 Mpa Elongation Set After Break ASTM D 412 30 % 30 % Tear Strength, Die C ASTM D 624 500 PLI 87.6 KN/m Compression Set, Method B -22 hrs @ 25° C -22 hrs @ 70° C ASTM D 395 25 28 % % 25 28 % % Thermal Vicat Softening Point (120° C/hr, 9.8N) ASTM D 1525 179 o F 81.6 o C Glass Transition Temperature DSC -39 o F -39 o C CLTE, in-flow ASTM D 696 95.0 in/in/ o F 171 mm/mm/o C 179 o F 81.6 o C Processing Conditions (Typical) Drying Temperature (air dew point <-40C) 180-200 o F 82-93 o C Melt Temperature (Molding) 390-420 o F 188-204 o