VALOX™ 牌号 312 种类 PBT
产品说明 Unreinforced, For compounding only (not for injection molding), Medium viscosity.

SABIC VALOX™ PBT 312 物性表

属性典型值UNITS测试手段
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min51MPaASTM D638
Tensile Strain, brk, Type I, 50 mm/min300%ASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span82MPaASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span2340MPaASTM D790
Hardness, Rockwell R117-ASTM D785
IMPACT
Izod Impact, unnotched, 23°C1602J/mASTM D4812
Izod Impact, notched, 23°C53J/mASTM D256
Modified Gardner, 23°C40JASTM D3029
THERMAL
HDT, 0.45 MPa, 6.4 mm, unannealed154°CASTM D648
HDT, 1.82 MPa, 6.4 mm, unannealed54°CASTM D648
CTE, -40°C to 40°C, flow8.1E-051/°CASTM E831
CTE, 60°C to 138°C, flow1.39E-041/°CASTM E831
PHYSICAL
Specific Gravity1.31-ASTM D792
Specific Volume0.77cm³/gASTM D792
Water Absorption, (23°C/24hrs)0.08%ASTM D570
Mold Shrinkage, flow, 0.75-2.3 mm0.9-1.6%SABIC method
Mold Shrinkage, flow, 2.3-4.6 mm1.5-2.3%SABIC method
Mold Shrinkage, xflow, 0.75-2.3 mm1-1.7%SABIC method
Mold Shrinkage, xflow, 2.3-4.6 mm1.6-2.4%SABIC method
ELECTRICAL
Volume Resistivity>4.E+16Ω.cmASTM D257
Dielectric Strength, in air, 3.2 mm15.7kV/mmASTM D149
Dielectric Strength, in oil, 1.6 mm23.2kV/mmASTM D149
Relative Permittivity, 100 Hz3.3-ASTM D150
Relative Permittivity, 1 MHz3.1-ASTM D150
Dissipation Factor, 100 Hz0.002-ASTM D150
Dissipation Factor, 1 kHz0.4193-ASTM D150
Dissipation Factor, 1 MHz0.02-ASTM D150
Compounding Extrusion
Drying Temperature110 - 120°C
Drying Time4 - 6Hrs
Drying Time (Cumulative)8Hrs
Maximum Moisture Content0%
Melt Temperature245 - 260°C
Barrel - Zone 1 Temperature200 - 230°C
Barrel - Zone 2 Temperature240 - 255°C
Barrel - Zone 3 Temperature240 - 275°C
Barrel - Zone 4 Temperature240 - 275°C
Adapter Temperature240 - 275°C
Die Temperature240 - 275°C
Waterbath Temperature25 - 35°C
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