Lexan ML7678|PC|沙特基础物性表报告及物性特性介绍,Lexan ML7678|PC|沙特基础注塑参数详情-塑料物性表查询网

加工/物理特性	值(Value)	单位(Unit)	测试标准(Test Standard)
ASTM数据(ASTM Data)
熔体流动指数(Melt Flow Index)	17.5	g/10min	ASTM D 1238
温度(Temperature)	300	°C	-
负载(Load)	1.2	kg	-
模具收缩(Mold Shrinkage) (MD)	0.006	mm/mm	ASTM D 955
密度(Density) (73°F)	1190	kg/m³	ASTM D 792
吸水率(Water Absorption) (24hr)	0.15	%	ASTM D 570
吸水率(Water Absorption) (Equilibrium)	0.35	%	ASTM D 570

流变性能(Rheological properties)	值(Value)	单位(Unit)	测试标准(Test Standard)
ISO数据
熔体体积流动速率(Melt volume-flow rate) (MVR)	16	cm³/10min	ISO 1133
温度(Temperature)	300	°C	ISO 1133
负载(Load)	1.2	kg	ISO 1133

机械性能(机械性能(Mechanical properties))	值(Value)	单位(Unit)	测试标准(Test Standard)
ISO数据
拉伸模量(Tensile Modulus)	2350	MPa	ISO 527-1/-2
屈服应力(Yield stress)	63	MPa	ISO 527-1/-2
屈服应变(Yield strain)	6	%	ISO 527-1/-2
破坏时应变(Stress at break)	65	MPa	ISO 527-1/-2
破坏时应变(Strain at break)	>50	%	ISO 527-1/-2
简支梁缺口冲击强度(Charpy notched impact strength) (+23°C)	10	kJ/m²	ISO 179/1eA
弯曲弹性模量(Flexural modulus) (23°C)	2300	MPa	ISO 178
悬臂梁式冲击切口 (23°C)	12	kJ/m²	ISO 180/1A
悬臂梁式冲击切口	N	kJ/m²	ISO 180/1A
温度(Temperature)	-30	°C	ISO 180/1A
ASTM数据(ASTM Data)
拉伸模量(Tensile Modulus)	2430	MPa	ASTM D 638
抗拉强度(Tensile Strength) at Yield	63	MPa	ASTM D 638
抗拉强度(Tensile Strength) at Break	68	MPa	ASTM D 638
屈服伸长率(Elongation at Yield)	7	%	ASTM D 638
断裂伸长率(Elongation at Break)	134	%	ASTM D 638
弯曲弹性模量(弯曲弹性模量(Flexural Modulus))	2160	MPa	ASTM D 790
洛氏硬度(Rockwell Hardness)	R 118	-	ASTM D 785
悬臂梁式冲击切口 (1/8 in)	0.667	kJ/m	ASTM D 256
悬臂梁式冲击切口 (Low-温度(Temperature))	N	kJ/m	ASTM D 256
温度(Temperature)	-30	°C	ASTM D 256

热性能(热性能(Thermal properties))	值(Value)	单位(Unit)	测试标准(Test Standard)
ISO数据
温度负荷变形(Temp. of deflection under load) (1.80 MPa)	122	°C	ISO 75-1/-2
维卡软化温度（50℃/ h的50N）Vicat softening temperature	140	°C	ISO 306
COEFF线性热(Coeff. of linear therm. expansion) (parallel)	70	E-6/K	ISO 11359-1/-2
COEFF线性热(Coeff. of linear therm. expansion) (normal)	70	E-6/K	ISO 11359-1/-2
ASTM数据(ASTM Data)
热膨胀系数(Coefficient of Thermal Expansion) (MD)	68.4	E-6/K	ASTM D 696
热膨胀系数(Coefficient of Thermal Expansion) (TD)	68.4	E-6/K	ASTM D 696
Vicat 温度(Temperature)	140	°C	ASTM D 1525
Thermal Conductivity (melt state)	0.19	W/(m K)	ASTM C 177
Specific Heat	1250	J/(kg K)	ASTM C 351

电气性能(Electrical properties)	值(Value)	单位(Unit)	测试标准(Test Standard)
ISO数据
相对介电常数(Relative permittivity) (1MHz)	2.7	-	IEC 60250
耗散因数(耗散因数(Dissipation factor)) (1MHz)	100	E-4	IEC 60250
电气强度(Electric strength)	17	kV/mm	IEC 60243-1
ASTM数据(ASTM Data)
绝缘强度(Dielectric Strength) (Short Time)	14.9	kV/mm	ASTM D 149
耗散因数(Dissipation Factor) (60 Hz)	0.0009	-	ASTM D 150
耗散因数(Dissipation Factor) (1 MHz)	0.01	-	ASTM D 150
介电常数(Dielectric Constant) (60 Hz)	3.17	-	ASTM D 150
介电常数(Dielectric Constant) (1 MHz)	2.96	-	ASTM D 150
体积电阻率(Volume Resistivity)	>1E15	Ohm*cm	ASTM D 257

其他属性(Other properties)	值(Value)	单位(Unit)	测试标准(Test Standard)
ISO数据
吸水率(Water absorption)	0.35	%	Sim. to ISO 62
吸湿性(Humidity absorption)	0.15	%	Sim. to ISO 62
密度(Density)	1200	kg/m³	ISO 1183

流变计算属性(Rheological calculation properties)	值(Value)	单位(Unit)	测试标准(Test Standard)
ISO数据
熔体热导率(Thermal conductivity of melt)	0.2	W/(m K)	-

Optical properties	值(Value)	单位(Unit)	测试标准(Test Standard)
ASTM数据(ASTM Data)
Haze	1	%	ASTM D 1003
Light Transmittance	88	%	ASTM D 1003
Index of Refraction	1.59	-	ASTM D 542

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