佳 盼 塑 胶
JIA PAN SU JIAO
/ Product details
/ classification
PBT 337 Resin 抗低温冲击
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
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.
