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PBT 337 Resin 抗低温冲击

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 337 Resin
VALOX™ PBT 337 Resin
非增强型
聚对苯二甲酸丁酯
SABIC Innovative Plastics (Americas)
 
产品说明
Low temperature impact PBT. Automotive applications: underhood power distribution boxes and covers.
 
材料特点:抗低温冲击的PBT
材料用途:汽车领域的应用:发动机罩下的配电箱和盖
定属记号:PBT
塑料牌号:PBT 337
销售电话:185 5121 3137 谭经理
销售地址:http://www.kingoflotto.com/sujiao/pbt/valox/337.html
 
材料物性
MECHANICAL Value Unit Standard
Tensile Stress,yld,Type I,50 mm/min 400 kgf/cm² ASTM D 638
Tensile Strain,yld,Type I,50 mm/min 3.9 % ASTM D 638
Flexural Stress,yld,1.3 mm/min,50 mm span 570 kgf/cm² ASTM D 790
Flexural Modulus,1.3 mm/min,50 mm span 18200 kgf/cm² ASTM D 790
IMPACT Value Unit Standard
Izod Impact,unnotched,23℃ 326 cm-kgf/cm ASTM D 4812
Izod Impact,unnotched,-30℃ 326 cm-kgf/cm ASTM D 4812
Izod Impact,notched,23℃ 88 cm-kgf/cm ASTM D 256
Izod Impact,notched,-30℃ 81 cm-kgf/cm ASTM D 256
THERMAL Value Unit Standard
HDT,0.45 MPa,6.4 mm,unannealed 98 ASTM D 648
HDT,1.82 MPa,6.4 mm,unannealed 47 ASTM D 648
PHYSICAL Value Unit Standard
Specific Gravity 1.22 - ASTM D 792
Water Absorption,24 hours 0.1 % ASTM D 570
Mold Shrinkage,flow,3.2 mm(5) 2.4-2.7 % SABIC Method
Mold Shrinkage,xflow,3.2 mm(5) 2.4-2.7 % SABIC Method
Melt Flow Rate,250℃/5.0 kgf 12.7 g/10 min ASTM D 1238
Melt Viscosity 12500 poise SABIC Method
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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