佳 盼 塑 胶
JIA PAN SU JIAO
/ Product details
/ classification
PBT 780 Resin 阻燃级,电机线圈外壳
VALOX™ PBT 780 Resin
聚对苯二甲酸丁酯
SABIC Innovative Plastics (Americas)
产品说明
40% gl/min, UL94 V-0 rated. Nonblooming flame retardant. Circuit breaker handles/housings, motor coil housings.
材料特点：阻燃UL94 V-0
材料用途：断路器手柄/外壳,电机线圈外壳
定属记号：PBT
塑料牌号：PBT 780
材料物性
|
MECHANICAL |
Value |
Unit |
Standard |
|
Tensile Stress,brk,Type I,5 mm/min |
1010 |
kgf/cm² |
ASTM D 638 |
|
Flexural Stress,brk,1.3 mm/min,50 mm span |
1680 |
kgf/cm² |
ASTM D 790 |
|
Flexural Modulus,1.3 mm/min,50 mm span |
105400 |
kgf/cm² |
ASTM D 790 |
|
Hardness,Rockwell R |
116 |
- |
ASTM D 785 |
|
IMPACT |
Value |
Unit |
Standard |
|
Izod Impact,unnotched,23℃ |
38 |
cm-kgf/cm |
ASTM D 4812 |
|
Izod Impact,notched,23℃ |
5 |
cm-kgf/cm |
ASTM D 256 |
|
THERMAL |
Value |
Unit |
Standard |
|
HDT,0.45 MPa,6.4 mm,unannealed |
210 |
℃ |
ASTM D 648 |
|
HDT,1.82 MPa,6.4 mm,unannealed |
193 |
℃ |
ASTM D 648 |
|
CTE,-40℃ to 40℃,flow |
2.52E-05 |
1/℃ |
ASTM E 831 |
|
CTE,60℃ to 138℃,flow |
2.88E-05 |
1/℃ |
ASTM E 831 |
|
Relative Temp Index,Elec |
130 |
℃ |
UL 746B |
|
Relative Temp Index,Mech w/impact |
130 |
℃ |
UL 746B |
|
Relative Temp Index,Mech w/o impact |
140 |
℃ |
UL 746B |
|
PHYSICAL |
Value |
Unit |
Standard |
|
Specific Gravity |
1.77 |
- |
ASTM D 792 |
|
Specific Volume |
0.56 |
cm³/g |
ASTM D 792 |
|
Water Absorption,24 hours |
0.02 |
% |
ASTM D 570 |
|
Mold Shrinkage,flow,1.5-3.2 mm(5) |
0.3-0.4 |
% |
SABIC Method |
|
Mold Shrinkage,flow,3.2-4.6 mm(5) |
0.4-0.6 |
% |
SABIC Method |
|
Mold Shrinkage,xflow,1.5-3.2 mm(5) |
0.4-0.6 |
% |
SABIC Method |
|
Mold Shrinkage,xflow,3.2-4.6 mm(5) |
0.6-0.8 |
% |
SABIC Method |
|
ELECTRICAL |
Value |
Unit |
Standard |
|
Volume Resistivity |
3.5E+15 |
Ohm-cm |
ASTM D 257 |
|
Dielectric Strength,in air,3.2 mm |
18.1 |
kV/mm |
ASTM D 149 |
|
Dielectric Strength,in oil,1.6 mm |
25.5 |
kV/mm |
ASTM D 149 |
|
Relative Permittivity,100 Hz |
3.9 |
- |
ASTM D 150 |
|
Relative Permittivity,1 MHz |
3.8 |
- |
ASTM D 150 |
|
Dissipation Factor,100 Hz |
0.007 |
- |
ASTM D 150 |
|
Dissipation Factor,1 MHz |
0.02 |
- |
ASTM D 150 |
|
Arc Resistance,Tungsten{PLC} |
6 |
PLC Code |
ASTM D 495 |
|
Hot Wire Ignition{PLC) |
1 |
PLC Code |
UL 746A |
|
High Voltage Arc Track Rate{PLC} |
1 |
PLC Code |
UL 746A |
|
High Ampere Arc Ign,surface{PLC} |
4 |
PLC Code |
UL 746A |
|
Comparative Tracking Index(UL){PLC} |
3 |
PLC Code |
UL 746A |
|
FLAME CHARACTERISTICS |
Value |
Unit |
Standard |
|
UL Recognized,94V-0 Flame Class Rating(3) |
0.81 |
mm |
UL 94 |
|
Injection Molding |
Value |
Unit |
|
|
Drying Temperature |
120 |
℃ |
|
|
Drying Time |
3-4 |
hrs |
|
|
Drying Time(Cumulative) |
12 |
hrs |
|
|
Maximum Moisture Content |
0.02 |
% |
|
|
Melt Temperature |
255-275 |
℃ |
|
|
Nozzle Temperature |
255-270 |
℃ |
|
|
Front-Zone 3 Temperature |
255-265 |
℃ |
|
|
Middle-Zone 2 Temperature |
250-260 |
℃ |
|
|
Rear-Zone 1 Temperature |
245-255 |
℃ |
|
|
Mold Temperature |
65-95 |
℃ |
|
|
Back Pressure |
0.3-0.7 |
MPa |
|
|
Screw Speed |
50-80 |
rpm |
|
|
Shot to Cylinder Size |
40-80 |
% |
|
|
Vent Depth |
0.025-0.038 |
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.
