VALOX™ 牌号 K3501 种类 PBT
产品说明 Unfilled PBT, Hydrollytically Stable, Heat Stabilized, Impact Modified. A hydrollytically stable grade designed for improved performance under heat/humidity environments. Targeted at automotive underhood applications requiring USCAR-2 Class III humidity/heat performance.

SABIC VALOX™ PBT K3501 物性表

属性典型值UNITS测试手段
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min50MPaASTM D638
Tensile Stress, brk, Type I, 50 mm/min25MPaASTM D638
Tensile Strain, yld, Type I, 50 mm/min3.3%ASTM D638
Tensile Strain, brk, Type I, 50 mm/min50%ASTM D638
Tensile Modulus, 50 mm/min2400MPaASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span70MPaASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span2100MPaASTM D790
Tensile Stress, yield, 50 mm/min50MPaISO 527
Tensile Strain, yield, 50 mm/min3.5%ISO 527
Tensile Strain, break, 50 mm/min40%ISO 527
Tensile Modulus, 1 mm/min2100MPaISO 527
Flexural Stress, yield, 2 mm/min73MPaISO 178
Flexural Modulus, 2 mm/min2000MPaISO 178
IMPACT
Izod Impact, unnotched, -30°CNBJ/mASTM D4812
Izod Impact, notched, 23°C90J/mASTM D256
Izod Impact, notched, 0°C83J/mASTM D256
Izod Impact, notched, -20°C75J/mASTM D256
Izod Impact, unnotched 80*10*4 -30°CNBkJ/m²ISO 180/1U
Izod Impact, notched 80*10*4 +23°C8kJ/m²ISO 180/1A
THERMAL
HDT, 1.82 MPa, 3.2mm, unannealed46°CASTM D648
CTE, -40°C to 40°C, flow9.1E-051/°CISO 11359-2
CTE, -40°C to 40°C, xflow9.7E-051/°CISO 11359-2
Ball Pressure Test, 75°C +/- 2°CNA-IEC 60695-10-2
Vicat Softening Temp, Rate B/120165°CISO 306
HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm46°CISO 75/Af
PHYSICAL
Density1.28g/cm³ISO 1183
Water Absorption, (23°C/saturated)0.34%ISO 62-1
Moisture Absorption (23°C / 50% RH)0.08%ISO 62
Melt Volume Rate, MVR at 250°C/2.16 kg26cm³/10 minISO 1133
FLAME CHARACTERISTICS
UL Yellow Card LinkE45329-101938116--
Injection Molding
Drying Temperature60-75°C
Drying Time4-5Hrs
Drying Time (Cumulative)8Hrs
Maximum Moisture Content0.05%
Melt Temperature250-265°C
Nozzle Temperature245-260°C
Front - Zone 3 Temperature250-265°C
Middle - Zone 2 Temperature245-260°C
Rear - Zone 1 Temperature240-255°C
Mold Temperature65-90°C
Back Pressure0.3-0.7MPa
Screw Speed50-80rpm
Shot to Cylinder Size40-80%
Vent Depth0.025-0.038mm
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