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PA66 R550 NAT ASCEND USA
Vydyne® 
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Plastic Datasheets

Supplementary InformationTest ConditionTest MethodASCEND USA/R550 NAT
Automotive Materialsthicknessd=1mmFMVSS302+
thermal performanceTest ConditionTest MethodASCEND USA/R550 NAT
Hot deformation temperature0.45MPa,UnannealedISO 75-2/B260 °C
1.8MPa,UnannealedISO 75-2/A255 °C
Linear coefficient of thermal expansionMD：23to55°C,2.00mmISO 11359-21.2E-05 cm/cm/°C
TD：23to55°C,2.00mmISO 11359-21E-04 cm/cm/°C
Melting temperatureISO 11357-3260 °C
RTI Elec3.0mmUL 746125 °C
0.75mmUL 746125 °C
1.5mmUL 746125 °C
RTI Imp1.5mmUL 746110 °C
3.0mmUL 746110 °C
0.75mmUL 746110 °C
RTI Str3.0mmUL 746130 °C
1.5mmUL 746130 °C
0.75mmUL 746130 °C
mechanical propertiesTest ConditionTest MethodASCEND USA/R550 NAT
Bending modulus23°CISO 17816000 Mpa
bending strength23°CISO 178350 Mpa
Poisson's ratioISO 527-20.40
Tensile modulus23°CISO 527-216800 Mpa
Tensile strainBreak,23°CISO 527-22.5 %
tensile strengthBreak,23°CISO 527-2240 Mpa
Electrical performanceTest ConditionTest MethodASCEND USA/R550 NAT
Arc resistance3.00mmASTM D495PLC 5
Compared to the anti leakage trace index3.00mmIEC 60112PLC 0
Dielectric strength1.00mmIEC 6024322 KV/mm
High arc combustion index1.5mmUL 746PLC 0
0.75mmUL 746PLC 0
3.0mmUL 746PLC 0
High voltage arc tracing rateHVTRUL 746PLC 1
Hot wire ignition0.75mmUL 746PLC 4
3.0mmUL 746PLC 4
1.5mmUL 746PLC 4
Volume resistivity0.750mmIEC 600931E+13 ohms·cm
Physical propertiesTest ConditionTest MethodASCEND USA/R550 NAT
Shrinkage rateTD:23°C,2.00mmISO 294-40.90 %
MD:23°C,2.00mmISO 294-40.40 %
Water absorption rateEquilibrium,23°C,50%RHISO 621.2 %
23°C,24hrISO 620.50 %
impact performanceTest ConditionTest MethodASCEND USA/R550 NAT
Impact strength of simply supported beam without notch-30°CISO 179/1eU91 kJ/m²
23°CISO 179/1eU95 kJ/m²
flammabilityTest ConditionTest MethodASCEND USA/R550 NAT
UL flame retardant rating0.75mmUL 94HB
3.0mmUL 94HB
1.5mmUL 94HB

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