PC(聚碳酸酯)EXL8483/沙伯基础(SABIC)物性表参数

日期：2020-06-16 02:04:04 编辑：科思德塑胶来源：科思德塑胶浏览：1144

SABIC(沙伯基础创新塑料)LEXAN PC EXL8483是一种中等流动的PC加硅氧烷共聚物树脂，优异的低温冲击和80%的注塑后回收使用，有限的可用性和限制颜色，较特别的颜色，包括黑色规格，需要在批准应用前考虑。

以下是PC(聚碳酸酯)EXL8483/沙伯基础(SABIC)物性表参数

PROPERTIES		TYPICAL VALUES	UNITS	TEST METHODS
FLAME CHARACTERISTICS	¹⁾
UL Yellow Card Link		E207780-100651927	-	-
UL Recognized, 94HB Flame Class Rating		≥0.75	mm	UL 94
Glow Wire Ignitability Temperature, 3.0 mm		875	°C	IEC 60695-2-13
Glow Wire Ignitability Temperature, 1.5 mm		875	°C	IEC 60695-2-13
Glow Wire Ignitability Temperature, 1.0 mm		875	°C	IEC 60695-2-13
Glow Wire Ignitability Temperature, 0.75 mm		850	°C	IEC 60695-2-13
Glow Wire Flammability Index, 3.0 mm		960	°C	IEC 60695-2-12
Glow Wire Flammability Index, 1.5 mm		850	°C	IEC 60695-2-12
Glow Wire Flammability Index, 1.0 mm		850	°C	IEC 60695-2-12
Glow Wire Flammability Index, 0.75 mm		825	°C	IEC 60695-2-12
Injection Molding	²⁾
Drying Temperature		120	°C
Drying Time		3-4	hrs
Drying Time (Cumulative)		48	hrs
Maximum Moisture Content		0.02	%
Melt Temperature		295-315	°C
Nozzle Temperature		290-310	°C
Front - Zone 3 Temperature		295-315	°C
Middle - Zone 2 Temperature		280-305	°C
Rear - Zone 1 Temperature		270-295	°C
Mold Temperature		70-110	°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
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min		57	MPa	ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min		55	MPa	ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min		6	%	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min		100	%	ASTM D 638
Tensile Modulus, 5 mm/min		2200	MPa	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span		90	MPa	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span		2100	MPa	ASTM D 790
IMPACT
Izod Impact, notched, 23°C		800	J/m	ASTM D 256
Izod Impact, notched, -30°C		650	J/m	ASTM D 256
Izod Impact, notched, -40°C		600	J/m	ASTM D 256
Instrumented Impact Total Energy, 23°C		70	J	ASTM D 3763
THERMAL
Vicat Softening Temp, Rate B/50		145	°C	ASTM D 1525
HDT, 1.82 MPa, 3.2mm, unannealed		123	°C	ASTM D 648
CTE, -40°C to 40°C, flow		6.E-05	1/°C	ASTM E 831
CTE, -40°C to 40°C, xflow		6.E-05	1/°C	ASTM E 831
Relative Temp Index, Elec	¹⁾	80	°C	UL 746B
Relative Temp Index, Mech w/impact	¹⁾	80	°C	UL 746B
Relative Temp Index, Mech w/o impact	¹⁾	80	°C	UL 746B
PHYSICAL
Specific Gravity		1.2	-	ASTM D 792
Mold Shrinkage, flow, 3.2 mm		0.4-0.8	%	SABIC method
Melt Flow Rate, 300°C/1.2 kgf		10	g/10 min	ASTM D 1238
Water Absorption, 23°C/24hrs		0.15	%	SABIC method
ELECTRICAL
Volume Resistivity		>1.E+15	Ohm-cm	ASTM D 257
Surface Resistivity		>1.E+15	Ohm	ASTM D 257
Dielectric Strength, in oil, 0.8 mm		15	kV/mm	ASTM D 149
Relative Permittivity, 1 MHz		3	-	ASTM D 150
Dissipation Factor, 1 MHz		0.0093	-	ASTM D 150
Hot-Wire Ignition (HWI), PLC 3		≥3	mm	UL 746A

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