VALOX(沙伯基礎)K3501/PBT熱塑性聚酯/物性表參數

日期：2020-04-20 01:32:46 編輯：科思德塑膠來源：科思德塑膠瀏覽：197

沙伯基礎創新塑料SABIC的 VALOX K3501 PBT是一種未填充PBT，水解穩定，熱穩定，衝擊改性,一種在熱/濕環境下提高性能的水解穩定級,針對需要USCAR-2 III級濕熱性能的汽車底盤應用。

以下是VALOX(沙伯基礎)K3501/PBT熱塑性聚酯/物性表參數

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min	50	MPa	ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min	25	MPa	ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min	3.5	%	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min	50	%	ASTM D 638
Tensile Modulus, 50 mm/min	2400	MPa	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	70	MPa	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span	2100	MPa	ASTM D 790
Tensile Stress, yield, 50 mm/min	50	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	3.5	%	ISO 527
Tensile Strain, break, 50 mm/min	40	%	ISO 527
Tensile Modulus, 1 mm/min	2100	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	70	MPa	ISO 178
Flexural Modulus, 2 mm/min	2000	MPa	ISO 178
IMPACT
Izod Impact, unnotched, -30°C	NB	J/m	ASTM D 4812
Izod Impact, notched, 23°C	90	J/m	ASTM D 256
Izod Impact, notched, 0°C	80	J/m	ASTM D 256
Izod Impact, notched, -20°C	75	J/m	ASTM D 256
Izod Impact, unnotched 80104 -30°C	NB	kJ/m²	ISO 180/1U
Izod Impact, notched 80104 +23°C	8	kJ/m²	ISO 180/1A
THERMAL
HDT, 1.82 MPa, 3.2mm, unannealed	45	°C	ASTM D 648
CTE, -40°C to 40°C, flow	9.1E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	9.7E-05	1/°C	ISO 11359-2
Ball Pressure Test, 75°C +/- 2°C	NA	-	IEC 60695-10-2
Vicat Softening Temp, Rate B/120	165	°C	ISO 306
HDT/Af, 1.8 MPa Flatw 80104 sp=64mm	45	°C	ISO 75/Af
PHYSICAL
Density	1.29	g/cm³	ISO 1183
Water Absorption, (23°C/sat)	0.34	%	ISO 62
Moisture Absorption (23°C / 50% RH)	0.08	%	ISO 62
Melt Volume Rate, MVR at 250°C/2.16 kg	26	cm³/10 min	ISO 1133
Injection Molding
Drying Temperature	60 - 75	°C
Drying Time	4 - 5	hrs
Drying Time (Cumulative)	8	hrs
Maximum Moisture Content	0.05	%
Melt Temperature	250 - 265	°C
Nozzle Temperature	245 - 260	°C
Front - Zone 3 Temperature	250 - 265	°C
Middle - Zone 2 Temperature	245 - 260	°C
Rear - Zone 1 Temperature	240 - 255	°C
Mold Temperature	65 - 90	°C
Back Pressure	0.3 - 0.7	MPa
Screw Speed	50 - 80	rpm
Shot to Cylinder Size	40 - 80	%
Vent Depth	0.025 - 0.038	mm

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