耐黄变PC 东北室外制品 抗冻性能好 超韧性 耐低温性 Lexan EXL1414-WH9A320

特性：高耐冲，超韧耐寒-40度，耐酸碱，抗紫外线UV（抗黄变）。

应用：主要用于手机外壳，室外电话亭，冰箱、空调等户外的电子产品。

Lexan* EXL1414聚碳酸酯(PC)硅氧烷共聚物树脂是一种介质流动不透明注塑(IM)级树脂。这种树脂具有极低的温度(- 40c)延展性，同时具有良好的加工性能和释放性能，与标准PC相比，IM循环时间更短。Lexan EXL1414树脂是一种产品，在各种不透明的颜色，并可能是一个很好的候选人广泛的应用。

Property

TYPICAL PROPERTIES (1)
MECHANICAL	Value	Unit	Standard
Tensile Stress, yld, Type I, 50 mm/min	560	kgf/cm2	ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min	510	kgf/cm2	ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min	6	%	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min	98	%	ASTM D 638
Tensile Modulus, 50 mm/min	20500	kgf/cm2	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	940	kgf/cm2	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span	22700	kgf/cm2	ASTM D 790
Hardness, Rockwell L	89	-	ASTM D 785
Hardness, Rockwell R	121	-	ASTM D 785
Tensile Stress, yield, 50 mm/min	57	MPa	ISO 527
Tensile Stress, break, 50 mm/min	60	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	6	%	ISO 527
Tensile Strain, break, 50 mm/min	120	%	ISO 527
Tensile Modulus, 1 mm/min	2150	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	85	MPa	ISO 178
Flexural Modulus, 2 mm/min	2250	MPa	ISO 178
IMPACT	Value	Unit	Standard
Izod Impact, notched, 23°C	88	cm-kgf/cm	ASTM D 256
Izod Impact, notched, -30°C	78	cm-kgf/cm	ASTM D 256
Instrumented Impact Total Energy, 23°C	714	cm-kgf	ASTM D 3763
Izod Impact, unnotched 80*10*3 +23°C	NB	kJ/m2	ISO 180/1U
Izod Impact, unnotched 80*10*3 -30°C	NB	kJ/m2	ISO 180/1U
Izod Impact, notched 80*10*3 +23°C	70	kJ/m2	ISO 180/1A
Izod Impact, notched 80*10*3 -30°C	60	kJ/m2	ISO 180/1A
Charpy 23°C , V-notch Edgew 80*10*3 sp=62mm	70	kJ/m2	ISO 179/1eA
Charpy -30°C , V-notch Edgew 80*10*3 sp=62mm	65	kJ/m2	ISO 179/1eA
Charpy 23°C , Unnotch Edgew 80*10*3 sp=62mm	NB	kJ/m2	ISO 179/1eU
Charpy -30°C , Unnotch Edgew 80*10*3 sp=62mm	NB	kJ/m2	ISO 179/1eU
THERMAL	Value	Unit	Standard
Vicat Softening Temp, Rate B/50	145	°C	ASTM D 1525
HDT, 0.45 MPa, 3.2 mm, unannealed	139	°C	ASTM D 648
HDT, 1.82 MPa, 3.2mm, unannealed	124	°C	ASTM D 648
CTE, -40°C to 40°C , flow	6.96E-05	1/°C	ASTM E 831
CTE, -40°C to 40°C , xflow	7.47E-05	1/°C	ASTM E 831
CTE, 23°C to 80°C , flow	7.2E-05	1/°C	ISO 11359-2
CTE, 23°C to 80°C , xflow	7.2E-05	1/°C	ISO 11359-2
Ball Pressure Test, 125°C +/- 2°C	Passes	-	IEC 60695-10-2
Vicat Softening Temp, Rate B/50	145	°C	ISO 306
Vicat Softening Temp, Rate B/120	146	°C	ISO 306
HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm	140	°C	ISO 75/Be
HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm	128	°C	ISO 75/Ae
Relative Temp Index, Elec	130	°C	UL 746B
Relative Temp Index, Mech w/impact	120	°C	UL 746B
Relative Temp Index, Mech w/o impact	125	°C	UL 746B
PHYSICAL	Value	Unit	Standard
Specific Gravity	1.18	-	ASTM D 792
Mold Shrinkage, flow, 3.2 mm	0.4 - 0.8	%	SABIC Method
Mold Shrinkage, xflow, 3.2 mm	0.4 - 0.8	%	SABIC Method
Melt Flow Rate, 300°C /1.2 kgf	10	g/10 min	ASTM D 1238
Density	1.19	g/cm2	ISO 1183
Water Absorption, (23°C /sat)	0.35	%	ISO 62
Moisture Absorption (23°C / 50% RH)	0.15	%	ISO 62
Melt Volume Rate, MVR at 300°C /1.2 kg	9	cm3/10 min	ISO 1133
ELECTRICAL	Value	Unit	Standard
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	16.2	kV/mm	ASTM D 149
Relative Permittivity, 100 Hz	2.68	-	ASTM D 150
Relative Permittivity, 1 MHz	2.64	-	ASTM D 150
Dissipation Factor, 100 Hz	0.0012	-	ASTM D 150
Dissipation Factor, 1 MHz	0.0093	-	ASTM D 150
FLAME CHARACTERISTICS	Value	Unit	Standard
UL Recognized, 94HB Flame Class Rating (3)	0.4	mm	UL 94
Glow Wire Flammability Index 850°C , passes at	0.8	mm	IEC 60695-2-12
Glow Wire Flammability Index 960°C , passes at	1	mm	IEC 60695-2-12
Glow Wire Ignitability Temperature, 1.0 mm	875	°C	IEC 60695-2-13
Glow Wire Ignitability Temperature, 3.0 mm	875	°C	IEC 60695-2-13

Processing

Parameter
Injection Molding	Value	Unit
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	215 - 295	°C
Mold Temperature	70 - 95	°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

NOTE: Back Pressure, Screw Speed, Shot to Cylinder Size and Vent Depth are only mentioned as general guidelines. These may not apply or need adjustment in specific situations such as low shot sizes, thin wall molding and gas-assist molding.

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