VALOX™ 牌号 732E 种类 PBT
产品说明 30% glass/mineral reinforced, excellent thermal performance, low shrinkage and warp. Easy flow.

SABIC VALOX™ PBT 732E 物性表

属性典型值UNITS测试手段
MECHANICAL
Tensile Stress, brk, Type I, 5 mm/min82MPaASTM D638
Tensile Strain, brk, Type I, 5 mm/min2%ASTM D638
Flexural Stress, brk, 1.3 mm/min, 50 mm span124MPaASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span6890MPaASTM D790
Hardness, Rockwell R109-ASTM D785
IMPACT
Izod Impact, unnotched, 23°C534J/mASTM D4812
Izod Impact, notched, 23°C101J/mASTM D256
THERMAL
HDT, 0.45 MPa, 6.4 mm, unannealed215°CASTM D648
HDT, 1.82 MPa, 6.4 mm, unannealed198°CASTM D648
CTE, -40°C to 40°C, flow2.52E-051/°CASTM E831
CTE, 60°C to 138°C, flow2.52E-051/°CASTM E831
PHYSICAL
Specific Gravity1.51-ASTM D792
Specific Volume0.66cm³/gASTM D792
Water Absorption, (23°C/24hrs)0.07%ASTM D570
Mold Shrinkage, flow, 1.5-3.2 mm0.3-0.4%SABIC method
Mold Shrinkage, flow, 3.2-4.6 mm0.4-0.6%SABIC method
Mold Shrinkage, xflow, 1.5-3.2 mm0.4-0.6%SABIC method
Mold Shrinkage, xflow, 3.2-4.6 mm0.6-0.8%SABIC method
ELECTRICAL
Volume Resistivity1.E+17Ω.cmASTM D257
Dielectric Strength, in oil, 3.2 mm17.9kV/mmASTM D149
Relative Permittivity, 50/60 Hz3.53-ASTM D150
Relative Permittivity, 1 MHz3.32-ASTM D150
Dissipation Factor, 50/60 Hz0.008-ASTM D150
Dissipation Factor, 1 MHz0.013-ASTM D150
FLAME CHARACTERISTICS
UL Yellow Card LinkE121562-477264--
Injection Molding
Drying Temperature120°C
Drying Time3-4Hrs
Drying Time (Cumulative)12Hrs
Maximum Moisture Content0.02%
Melt Temperature255-275°C
Nozzle Temperature255-270°C
Front - Zone 3 Temperature255-265°C
Middle - Zone 2 Temperature250-260°C
Rear - Zone 1 Temperature245-255°C
Mold Temperature65-95°C
Back Pressure0.3-0.7MPa
Screw Speed50-80rpm
Shot to Cylinder Size40-80%
Vent Depth0.025-0.038mm
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