LEXAN(沙伯基础)IR2240/PC(聚碳酸酯)物性表参数

日期：2020-04-21 02:10:49 编辑：科思德塑胶来源：科思德塑胶浏览：245

沙伯基础SABIC塑料LEXAN IR2240聚碳酸酯（PC）是一种中低流动性（MFR = 12,300℃/ 1.2kg），具有脱模功能,符合FDA食品接触标准, 提供有限的透明色调，有限的包装类型。

以下是LEXAN(沙伯基础)IR2240/PC(聚碳酸酯)物性表参数

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min	62	MPa	ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min	68	MPa	ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min	7	%	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min	130	%	ASTM D 638
Tensile Modulus, 5 mm/min	2410	MPa	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	97	MPa	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span	2340	MPa	ASTM D 790
Tensile Stress, yield, 50 mm/min	63	MPa	ISO 527
Tensile Stress, break, 50 mm/min	70	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	6	%	ISO 527
Tensile Strain, break, 50 mm/min	110	%	ISO 527
Tensile Modulus, 1 mm/min	2350	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	90	MPa	ISO 178
Flexural Modulus, 2 mm/min	2300	MPa	ISO 178
IMPACT
Izod Impact, unnotched, 23°C	3204	J/m	ASTM D 4812
Izod Impact, notched, 23°C	801	J/m	ASTM D 256
Tensile Impact Strength, Type S	577	kJ/m²	ASTM D 1822
Instrumented Impact Total Energy, 23°C	63	J	ASTM D 3763
Izod Impact, notched 80104 +23°C	12	kJ/m²	ISO 180/1A
Izod Impact, notched 80104 -30°C	10	kJ/m²	ISO 180/1A
Charpy 23°C, Unnotch Edgew 80104 sp=62mm	NB	kJ/m²	ISO 179/1eU
THERMAL
Vicat Softening Temp, Rate B/50	154	°C	ASTM D 1525
HDT, 0.45 MPa, 6.4 mm, unannealed	137	°C	ASTM D 648
HDT, 1.82 MPa, 6.4 mm, unannealed	132	°C	ASTM D 648
CTE, -40°C to 40°C, flow	6.84E-05	1/°C	ASTM E 831
CTE, -40°C to 40°C, xflow	6.65E-05	1/°C	ASTM E 831
CTE, -40°C to 40°C, flow	6.84E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	6.65E-05	1/°C	ISO 11359-2
Vicat Softening Temp, Rate B/50	141	°C	ISO 306
Vicat Softening Temp, Rate B/120	142	°C	ISO 306
HDT/Ae, 1.8 MPa Edgew 120104 sp=100mm	125	°C	ISO 75/Ae
PHYSICAL
Specific Gravity	1.2	-	ASTM D 792
Mold Shrinkage, flow, 3.2 mm	0.5-0.7	%	SABIC method
Melt Flow Rate, 300°C/1.2 kgf	10.5	g/10 min	ASTM D 1238
Density	1.2	g/cm³	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
FLAME CHARACTERISTICS
UL Yellow Card Link	E121562-220863	-	-
Injection Molding
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	70-95	°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

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