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PBT 311 Resin 抗紫外线,中等粘度

添加时间:2014-06-13  信息来源:http://www.kingoflotto.com/  作者:苏州希普能塑料
VALOX PBT 311 Resin
VALOX™ PBT 311 Resin
非增强型
聚对苯二甲酸丁酯
SABIC Innovative Plastics (Americas)
 
产品说明
Unreinforced, improved resistance to UV. Medium viscosity.
 
材料特点:抗紫外线改进,中等粘度
定属记号:PBT
塑料牌号:PBT 311
销售电话:185 5121 3137 谭经理
销售地址:http://www.kingoflotto.com/sujiao/pbt/valox/311.html
 
材料物性
MECHANICAL Value Unit Standard
Tensile Stress,yld,Type I,50 mm/min 520 kgf/cm² ASTM D 638
Tensile Strain,brk,Type I,50 mm/min 300 % ASTM D 638
Flexural Stress,yld,1.3 mm/min,50 mm span 840 kgf/cm² ASTM D 790
Flexural Modulus,1.3 mm/min,50 mm span 23900 kgf/cm² ASTM D 790
Hardness,Rockwell R 117 - ASTM D 785
IMPACT Value Unit Standard
Izod Impact,unnotched,23℃ 163 cm-kgf/cm ASTM D 4812
Izod Impact,notched,23℃ 5 cm-kgf/cm ASTM D 256
Modified Gardner,23℃ 414 cm-kgf ASTM D 3029
THERMAL Value Unit Standard
HDT,0.45 MPa,6.4 mm,unannealed 154 ASTM D 648
HDT,1.82 MPa,6.4 mm,unannealed 54 ASTM D 648
CTE,-40℃ to 40℃,flow 8.1E-05 1/℃ ASTM E 831
CTE,60℃ to 138℃,flow 1.39E-04 1/℃ ASTM E 831
PHYSICAL Value Unit Standard
Specific Gravity 1.31 - ASTM D 792
Specific Volume 0.76 cm³/g ASTM D 792
Water Absorption,24 hours 0.08 % ASTM D 570
Mold Shrinkage,flow,0.75-2.3 mm(5) 0.9-1.6 % SABIC Method
Mold Shrinkage,flow,2.3-4.6 mm(5) 1.5-2.3 % SABIC Method
Mold Shrinkage,xflow,0.75-2.3 mm(5) 1-1.7 % SABIC Method
Mold Shrinkage,xflow,2.3-4.6 mm(5) 1.6-2.4 % SABIC Method
ELECTRICAL Value Unit Standard
Volume Resistivity >4.E+16 Ohm-cm ASTM D 257
Dielectric Strength,in air,3.2 mm 15.7 kV/mm ASTM D 149
Dielectric Strength,in oil,1.6 mm 23.2 kV/mm ASTM D 149
Relative Permittivity,100 Hz 3.3 - ASTM D 150
Relative Permittivity,1 MHz 3.1 - ASTM D 150
Dissipation Factor,100 Hz 0.002 - ASTM D 150
Dissipation Factor,1 MHz 0.02 - ASTM D 150
Injection Molding Value Unit
Drying Temperature 120
Drying Time 3-4 hrs
Drying Time(Cumulative) 12 hrs
Maximum Moisture Content 0.02 %
Melt Temperature 245-260
Nozzle Temperature 240-255
Front-Zone 3 Temperature 245-260
Middle-Zone 2 Temperature 240-255
Rear-Zone 1 Temperature 230-250
Mold Temperature 50-75
Back Pressure 0.3-0.7 MPa
Screw Speed 50-100 rpm
Shot to Cylinder Size 40-80 %
Vent Depth 0.013-0.025 mm
PBT VALOX™ RESIN
Semi-crystalline polybutylene terephthalate, one of the most widely-used engineering materials, shows low moisture and thermal expansion and offers outstanding wear and friction properties. With good strength at high temperatures, it has good electrical properties and flame resistance.
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