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Brand Name
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PBT/PTFE WL-4540-NAT SABIC INNOVATIVE US
LNP™ LUBRICOMP™ 
Aerospace Applications
wear resistant
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Plastic Datasheets

Impact resistanceTest ConditionTest MethodSABIC INNOVATIVE US/WL-4540-NAT
Suspended wall beam notch impact strength 623°CISO180/1A3.7 kJ/m²
Multi axis Instrumented Impact EnergyISO6603-20.700 J
Unscented Izod Impact Strength 523°CISO180/1U20 kJ/m²
Dart impact equipped with measuring instruments23°C,TotalEnergyASTMD37632.20 J
Mechanical propertiesTest ConditionTest MethodSABIC INNOVATIVE US/WL-4540-NAT
Tensile stress断裂ISO527-2/537.0 Mpa
elongation断裂ASTMD63811 %
Tensile strain断裂ISO527-2/512 %
Bending stressISO17864.0 Mpa
DynamicASTMD3702Modified0.24
Tensile modulusASTMD6382280 Mpa
StaticASTMD3702Modified0.13
elongation屈服ASTMD63811 %
Tensile stress屈服ISO527-2/537.0 Mpa
Tensile modulusISO527-2/12240 Mpa
Tensile strain屈服ISO527-2/511 %
tensile strength屈服ASTMD63837.0 Mpa
断裂ASTMD63837.0 Mpa
Flexural modulusISO1782130 Mpa
Wear factor - WasherASTMD3702Modified16.0 10^-10in^5-min/ft-lb-hr
Flexural modulus50.0mm跨距ASTMD7902190 Mpa
physical property Test ConditionTest MethodSABIC INNOVATIVE US/WL-4540-NAT
Shrinkage rateTD：24hrASTMD9551.0to3.0 %
Water absorption rate平衡,23°C,50%RHISO620.090 %
24hr,50%RHASTMD5700.050 %
Shrinkage rateMD：24小时ASTMD9551.0to3.0 %
Thermal performanceTest ConditionTest MethodSABIC INNOVATIVE US/WL-4540-NAT
Hot deformation temperature 70.45MPa,Unannealed,64.0mmSpanISO75-2/Bf158 °C
1.8MPa,未退火,3.20mmASTMD64855.4 °C
MD：-30到30°CASTMD6966.8E-05 cm/cm/°C
Hot deformation temperature 71.8MPa,未退火,64.0mm跨距ISO75-2/Af54.0 °C
0.45MPa,未退火,3.20mmASTMD648182 °C
TD：-30to30°CASTMD6961.1E-04 cm/cm/°C

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