路博潤(rùn)ESTANE 2355-85ABR TPU

Technical Data Sheet Type: Estane? 2355-85ABR is a thermoplastic polyurethane elastomer. Blended Resin. Feature: Good physical properties, chemical resistance and wide processing window for extrusion. 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 87 A 87 A Specific Gravity ASTM D 792 1.18 1.18 Melt Flow Rate, 190°C/8700g ASTM D 1238 - g/10min 30-60 g/10min Taber Abrasion, Wt Loss, 1000g wt 1-1000g, H-22 (coarser) ASTM D 1044 - mg 15 mg Mold Shrinkage, Transverse direction ATSM D 955 0.1-0.5 % 0.1-0.5 % Mold Shrinkage, Flow direction ATSM D 955 0.4-0.6 % 0.4-0.6 % Mechanical(2) Tensile Modulus -50% elongation -*** elongation -300% elongation ASTM D 412 800 850 1300 psi psi psi 5.5 5.9 9.0 MPa MPa Mpa Ultimate Elongation ASTM D 412 630 % 630 % Ultimate Tensile Strength ASTM D 412 4500 psi 31 Mpa Elongation Set After Break ASTM D 412 80 % 80 % Tear Strength, Die C ASTM D 624 450 PLI 78.8 KN/m Compression Set, Method B -22 hrs @ 25° C -22 hrs @ 70° C ASTM D 395 30 75 % % 30 75 % % Thermal Vicat Softening Point (120° C/hr, 9.8N) ASTM D 1525 169 o F 76.1 o C Glass Transition Temperature DSC -33 o F -36 o C CLTE, in-flow ASTM D 696 829.2 in/in/ oF 161 mm/mm/o C Processing Conditions (Typical) Drying Temperature (air dew point <-40C) 180-200 o F 82-93 o C Melt Temperature (Molding) 340-360 o F 171-182 o C Melt Temperature (Extrusion) 330-360 o F 166-182 o C Mold Temperature 60-140 o F 16-60 o C