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路博润ESTANE 2102-90A聚己内酯高弹性TPU

: Estane? 2102-90A is a thermoplastic polyurethane elastomer. Feature: Low compression set. 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) Shore Hardness ASTM D 2240 94 A 94 A Specific Gravity ASTM D 792 1.2 1.2 Taber Abrasion Resistance, 1000g, 1000 cycles; H-22 wheel (coarser) ASTM D 1044 - mg 10 mg Mold Shrinkage, Transverse direction ASTM D 955 0.6-0.7 % 0.6-0.7 % Mold Shrinkage, Flow direction ASTM D 955 0.5-0.6 % 0.5-0.6 % Mechanical(2) Tensile Modulus -50% elongation -*** elongation -300% elongation ASTM D 412 1200 1600 4000 psi psi psi 8.4 11.0 27.6 MPa MPa Mpa Ultimate Elongation ASTM D 412 440 % 440 % Ultimate Tensile Strength ASTM D 412 6500 psi 44.8 Mpa Elongation Set After Break ASTM D 412 30 % 30 % Tear Strength, Die C ASTM D 624 830 PLI 145 KN/m Compression Set, Method B -22 hrs @ 25° C -22 hrs @ 70° C ASTM D 395 25 29 % % 25 29 % % Flexural Modulus ASTM D 790 12,000 psi 82.7 MPa Thermal Vicat Softening Point (120° C/hr, 9.8N) ASTM D 1525 243 o F 117 o C Glass Transition Temperature DSC -15 o F -26 o C CLTE, in-flow ASTM D 696 83.3 in/in/ o F 150 mm/mm/o C Processing Conditions (Typical) Drying Temperature (air dew point <-40C) 190-220 o F 88-104 o C Melt Temperature (Molding) 400-430 o F 204-221 o C Mold Temperature 60-140 o F 16-60 o C