PC(聚碳酸酯)4251R/沙伯基礎(SABIC)物性表參數

日期：2020-06-09 02:35:22 編輯：科思德塑膠來源：科思德塑膠瀏覽：245

SABIC(沙伯基礎創新塑料)LEXAN PC 4251R是一種高熱聚碳酸酯共聚物，具有良好的耐熱性、加工性和沖擊強度的平衡,可有一系列不透明的顏色。

以下是PC(聚碳酸酯)4251R/沙伯基礎(SABIC)物性表參數

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min	64	MPa	ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min	63	MPa	ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min	6.7	%	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min	102	%	ASTM D 638
Tensile Modulus, 50 mm/min	2180	MPa	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	101	MPa	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span	2230	MPa	ASTM D 790
Tensile Stress, yield, 50 mm/min	62	MPa	ISO 527
Tensile Stress, break, 50 mm/min	59	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	6.6	%	ISO 527
Tensile Strain, break, 50 mm/min	96.1	%	ISO 527
Tensile Modulus, 1 mm/min	2160	MPa	ISO 527
Flexural Modulus, 2 mm/min	2040	MPa	ISO 178
IMPACT
Izod Impact, notched, 23°C	639	J/m	ASTM D 256
Izod Impact, notched, -30°C	331	J/m	ASTM D 256
Instrumented Impact Total Energy, 23°C	75	J	ASTM D 3763
Instrumented Impact Total Energy, -30°C	78	J	ASTM D 3763
Izod Impact, notched 80104 +23°C	43	kJ/m²	ISO 180/1A
Izod Impact, notched 80104 -30°C	20	kJ/m²	ISO 180/1A
Charpy 23°C, V-notch Edgew 80104 sp=62mm	48	kJ/m²	ISO 179/1eA
THERMAL
Vicat Softening Temp, Rate B/50	156	°C	ASTM D 1525
HDT, 1.82 MPa, 3.2mm, unannealed	136	°C	ASTM D 648
CTE, -40°C to 40°C, flow	6.16E-05	1/°C	ASTM E 831
CTE, -40°C to 40°C, xflow	6.73E-05	1/°C	ASTM E 831
CTE, -40°C to 40°C, flow	6.16E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	6.73E-05	1/°C	ISO 11359-2
Vicat Softening Temp, Rate B/50	155	°C	ISO 306
Vicat Softening Temp, Rate B/120	157	°C	ISO 306
HDT/Af, 1.8 MPa Flatw 80104 sp=64mm	134	°C	ISO 75/Af
PHYSICAL
Specific Gravity	1.2	-	ASTM D 792
Mold Shrinkage, flow, 3.2 mm	0.6-0.8	%	SABIC method
Melt Flow Rate, 300°C/1.2 kgf	5.6	g/10 min	ASTM D 1238
Density	1.1	g/cm³	ISO 1183
Water Absorption, (23°C/sat)	0.24	%	ISO 62
Moisture Absorption (23°C / 50% RH)	0.09	%	ISO 62
Melt Volume Rate, MVR at 330°C/2.16kg	31	cm³/10 min	ISO 1133
Injection Molding
Drying Temperature	120	°C
Drying Time	3-4	hrs
Drying Time (Cumulative)	48	hrs
Maximum Moisture Content	0.02	%
Melt Temperature	310-330	°C
Nozzle Temperature	305-325	°C
Front - Zone 3 Temperature	310-330	°C
Middle - Zone 2 Temperature	300-320	°C
Rear - Zone 1 Temperature	290-310	°C
Mold Temperature	80-115	°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