ULTEM DU242 增强低温冲击，高流动性聚醚酰亚胺

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产品详情

PROPERTIES		TYPICAL VALUES	UNITS	TEST METHODS
INJECTION MOLDING	¹⁾
Drying Temperature		135	°C
Drying Time		4-6	Hrs
Drying Time (Cumulative)		12	Hrs
Maximum Moisture Content		0.02	%
Melt Temperature		330-355	°C
Nozzle Temperature		325-350	°C
Front - Zone 3 Temperature		330-355	°C
Middle - Zone 2 Temperature		320-345	°C
Rear - Zone 1 Temperature		310-330	°C
Mold Temperature		95-135	°C
Back Pressure		0.3-0.7	MPa
Screw Speed		40-70	rpm
Shot to Cylinder Size		40-60	%
Vent Depth		0.025-0.076	mm
FLAME CHARACTERISTICS	²⁾
UL Yellow Card Link		E121562-647600	-	-
UL Recognized, 94V-0 Flame Class Rating		1.0	mm	UL 94
MECHANICAL
Tensile Stress, yld, Type I, 5 mm/min		74	MPa	ASTM D638
Tensile Strain, brk, Type I, 5 mm/min		67	%	ASTM D638
Tensile Modulus, 5 mm/min		2580	MPa	ASTM D638
Flexural Stress, yld, 2.6 mm/min, 100 mm span		112	MPa	ASTM D790
Flexural Modulus, 2.6 mm/min, 100 mm span		2510	MPa	ASTM D790
IMPACT
Izod Impact, notched, 23°C		181	J/m	ASTM D256
Izod Impact, Reverse Notched, 3.2 mm		2045	J/m	ASTM D256
THERMAL
Relative Temp Index, Elec		80	°C	UL 746B
Relative Temp Index, Mech w/impact		80	°C	UL 746B
Relative Temp Index, Mech w/o impact		80	°C	UL 746B
HDT, 1.82 MPa, 6.4 mm, unannealed		160	°C	ASTM D648
PHYSICAL
Mold Shrinkage, flow, 24 hrs	³⁾	0.5-0.7	%	ASTM D955
Mold Shrinkage, xflow, 24 hrs	³⁾	0.5-0.7	%	ASTM D955
Specific Gravity		1.24	-	ASTM D792
Melt Flow Rate, 337°C/6.6 kgf		30	g/10 min	ASTM D1238

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