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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.xzslw.com/ 作者:苏州希普能塑料
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.xzslw.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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