Mechanical properties	Test Condition	Test Method	COVESTRO SHANGHAI/M420GF 000000
Tensile modulus	1.0mm/min	ISO 527	5800 Mpa
elongation	屈服5mm/min	ISO 527	3 %
Impact strength of cantilever beam gap	(-30。0 3.0mmA型缺口	ISO 180	11 kJ/m²
tensile strength	屈服5mm/min	ISO 527	105 Mpa
Flexural modulus	2.0mm/min	ISO 178	6000 Mpa
Impact strength of cantilever beam gap	23°C 3.0mm A型缺口	ISO 180	12 kJ/m²
elongation	断裂5mm/min	ISO 527	3.3 %
Bending strength	2.0mm/min	ISO 178	172 Mpa

physical property	Test Condition	Test Method	COVESTRO SHANGHAI/M420GF 000000
Shrinkage rate	垂直60x60x2mm	ISO 294	0.5 %
Water absorption rate	23°C50RH平衡	ISO 62	0.11 %
Shrinkage rate	流动60x60x2mm	ISO 294	0.3 %
Water absorption rate	23℃饱和在水里	ISO 62	0.28 %
Network Finance Index	30(FC 1.2kg	ISO 1133	9 cm3/10min
melt viscosity	300℃ 1000s-1	ISO 11443	350 Pa.s

Thermal performance	Test Condition	Test Method	COVESTRO SHANGHAI/M420GF 000000
Heat distortion temperature	1.8MPa，HDT	ISO 75	138 °C
Linear expansion coefficient flow	23~55℃	ISO 11359	0.000030 m/m/k
Heat distortion temperature	0.45MPa，HDT	ISO 75	143 °C
Linear coefficient of thermal expansion	23~55℃，垂直	ISO 11359	0.000040 m/m/k
vicat	120℃/hr 50N	ISO 306	148 °C

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