VALOX(沙伯基础)176/PBT热塑性聚酯/物性表参数

日期：2020-04-18 03:59:25 编辑：科思德塑胶来源：科思德塑胶浏览：207

沙伯基础创新塑料的VALOX 176 PBT是一种纤维用无增强的PBT树脂。纯自然色，用于注塑的PBT热塑性聚酯。

以下是VALOX(沙伯基础)176/PBT热塑性聚酯/物性表参数

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	50	MPa	ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min	2	%	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min	2	%	ASTM D 638
Tensile Modulus, 5 mm/min	2500	MPa	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	84	MPa	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span	2390	MPa	ASTM D 790
Tensile Stress, yield, 50 mm/min	45	MPa	ISO 527
Tensile Stress, break, 50 mm/min	45	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	1.8	%	ISO 527
Tensile Strain, break, 50 mm/min	1.8	%	ISO 527
Tensile Modulus, 1 mm/min	2600	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	81	MPa	ISO 178
Flexural Modulus, 2 mm/min	2290	MPa	ISO 178
IMPACT
Izod Impact, unnotched, 23°C	890	J/m	ASTM D 4812
Izod Impact, notched, 23°C	28	J/m	ASTM D 256
Instrumented Impact Total Energy, 23°C	5	J	ASTM D 3763
Izod Impact, unnotched 80104 +23°C	35	kJ/m²	ISO 180/1U
Izod Impact, notched 80104 +23°C	2	kJ/m²	ISO 180/1A
Charpy 23°C, V-notch Edgew 80104 sp=62mm	7	kJ/m²	ISO 179/1eA
THERMAL
HDT, 0.45 MPa, 3.2 mm, unannealed	104	°C	ASTM D 648
HDT, 1.82 MPa, 3.2mm, unannealed	48	°C	ASTM D 648
CTE, -40°C to 40°C, flow	8.5E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	8.5E-05	1/°C	ISO 11359-2
Vicat Softening Temp, Rate B/50	178	°C	ISO 306
Vicat Softening Temp, Rate B/120	177	°C	ISO 306
HDT/Bf, 0.45 MPa Flatw 80104 sp=64mm	113	°C	ISO 75/Bf
HDT/Af, 1.8 MPa Flatw 80104 sp=64mm	51	°C	ISO 75/Af
PHYSICAL
Specific Gravity	1.32	-	ASTM D 792
Mold Shrinkage, flow, 3.2 mm	1.5-1.8	%	SABIC method
Mold Shrinkage, xflow, 3.2 mm	1.6-2	%	SABIC method
Melt Flow Rate, 250°C/1.2 kgf	127	g/10 min	ASTM D 1238
Melt Viscosity	0	Pa-s	SABIC method
Density	1.31	g/cm³	ISO 1183
Water Absorption, (23°C/sat)	0.08	%	ISO 62
Moisture Absorption (23°C / 50% RH)	0.07	%	ISO 62
Melt Volume Rate, MVR at 250°C/1.2 kg	127	cm³/10 min	ISO 1133
Melt Volume Rate, MVR at 250°C/2.16 kg	231	cm³/10 min	ISO 1133
Compounding Extrusion
Drying Temperature	110 - 120	°C
Drying Time	4 - 6	hrs
Drying Time (Cumulative)	8	hrs
Maximum Moisture Content	0	%
Melt Temperature	245 - 260	°C
Barrel - Zone 1 Temperature	200 - 230	°C
Barrel - Zone 2 Temperature	240 - 255	°C
Barrel - Zone 3 Temperature	240 - 275	°C
Barrel - Zone 4 Temperature	240 - 275	°C
Adapter Temperature	240 - 275	°C
Die Temperature	240 - 275	°C
Waterbath Temperature	25 - 35	°C

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