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VALOX/EH7020HF/PBT物性表参数

责任编辑:文和林发表时间:2019-06-11

沙伯基础创新塑料SABIC的VALOX EH7020HF PBT是一种加矿物填充PBT/PET,具有良好的表面形貌、高流量和良好的热性能。EH7020HF是为要求basecoat +表层金属化的汽车边框应用而开发的。
沙伯基础创新塑料的VALOX EH7020HF PBT物性表参数PDF文档下载
VALOX EH7020HF
以下是沙伯基础创新塑料的VALOX EH7020HF PBT物性表参数
PROPERTIES   TYPICAL VALUES UNITS TEST METHODS
MECHANICAL        
Tensile Stress, yield   56 MPa SABIC - Japan Method
Tensile Stress, yld, Type I, 5 mm/min   55 MPa ASTM D 638
Tensile Stress, brk, Type I, 5 mm/min   55 MPa ASTM D 638
Tensile Strain, break   8 % SABIC - Japan Method
Tensile Strain, yld, Type I, 5 mm/min   2 % ASTM D 638
Tensile Strain, brk, Type I, 5 mm/min   2 % ASTM D 638
Tensile Modulus, 5 mm/min   5880 MPa ASTM D 638
Flexural Stress, yield, 6.4 mm   96 MPa ASTM D 790
Flexural Stress, yld, 1.3 mm/min, 50 mm span   93 MPa ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span   4680 MPa ASTM D 790
Flexural Modulus, 6.4 mm   4860 MPa ASTM D 790
Tensile Stress, yield, 5 mm/min   45 MPa ISO 527
Tensile Stress, break, 5 mm/min   57 MPa ISO 527
Tensile Strain, yield, 5 mm/min   1.5 % ISO 527
Tensile Strain, break, 5 mm/min   1.9 % ISO 527
Tensile Modulus, 1 mm/min   4800 MPa ISO 527
Flexural Stress, yield, 2 mm/min   96 MPa ISO 178
Flexural Modulus, 2 mm/min   4710 MPa ISO 178
IMPACT        
Izod Impact, notched, 23°C   31 J/m ASTM D 256
Izod Impact, notched, -30°C   31 J/m ASTM D 256
Instrumented Impact Total Energy, 23°C   4 J ASTM D 3763
Izod Impact, notched 80*10*4 +23°C   2 kJ/m² ISO 180/1A
Izod Impact, notched 80*10*4 -30°C   2 kJ/m² ISO 180/1A
Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm   2 kJ/m² ISO 179/1eA
THERMAL        
Vicat Softening Temp, Rate B/50   180 °C ASTM D 1525
HDT, 1.82 MPa, 3.2mm, unannealed   70 °C ASTM D 648
HDT, 0.45 MPa, 6.4 mm, unannealed   200 °C ASTM D 648
CTE, -40°C to 40°C, flow   5.29E-05 1/°C ASTM E 831
CTE, -40°C to 40°C, xflow   6.2E-05 1/°C ASTM E 831
CTE, -40°C to 40°C, flow   5.29E-05 1/°C ISO 11359-2
CTE, -40°C to 40°C, xflow   6.2E-05 1/°C ISO 11359-2
Ball Pressure Test, 75°C +/- 2°C   75 - IEC 60695-10-2
Vicat Softening Temp, Rate B/50   180 °C ISO 306
Vicat Softening Temp, Rate B/120   179 °C ISO 306
HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm   77 °C ISO 75/Ae
HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm   89 °C ISO 75/Af
PHYSICAL        
Specific Gravity   1.49 - ASTM D 792
Mold Shrinkage on Tensile Bar, flow   1.53-1.57 % SABIC method
Mold Shrinkage, flow, 3.2 mm   1.037-1.059 % SABIC method
Mold Shrinkage, xflow, 3.2 mm   1.147-1.18 % SABIC method
Melt Flow Rate, 265°C/2.16kgf   64 g/10 min ASTM D 1238
Melt Flow Rate, 266°C/1.2 kgf   36 g/10 min ASTM D 1238
Density   1.49 g/cm³ ISO 1183
Water Absorption, (23°C/sat)   0.42 % ISO 62
Moisture Absorption (23°C / 50% RH)   0.42 % ISO 62
Melt Volume Rate, MVR at 265°C/2.16 kg   52 cm³/10 min ISO 1133
Injection Molding        
Drying Temperature   120 °C  
Drying Time   3 - 4 hrs  
Drying Time (Cumulative)   12 hrs  
Maximum Moisture Content   0.02 %  
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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