供應沙伯基礎PBT 420玻纖增強聚對苯二甲酸丁二醇酯，含30%玻纖增強，優(yōu)異的強度、韌性、尺寸穩(wěn)定性，耐高溫，用于器具把手、聚光燈、電動馬達、連接器。
沙伯基礎420物性：
| Physical | Nominal Value | Unit | Test Method |
Density / Specific Gravity | 1.53 | g/cm3 | ASTM D792 |
Specific Volume | 0.658 | cm3/g | ASTM D792 |
Molding Shrinkage - Flow | Internal Method | ||
--2 | 0.30 to 0.50 | % | |
--3 | 0.50 to 0.80 | % | |
Molding Shrinkage - Across Flow | Internal Method | ||
--2 | 0.40 to 0.60 | % | |
--4 | 0.60 to 0.90 | % | |
Water Absorption (24 hr) | 0.060 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
Tensile Strength5 (Break) | 119 | MPa | ASTM D638 |
Tensile Elongation5 (Break) | 3.0 | % | ASTM D638 |
Flexural Modulus6 (50.0 mm Span) | 7580 | MPa | ASTM D790 |
Flexural Strength6 (Break, 50.0 mm Span) | 190 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
Notched Izod Impact (23°C) | 85 | J/m | ASTM D256 |
Unnotched Izod Impact (23°C) | 800 | J/m | ASTM D4812 |
| Hardness | Nominal Value | Unit | Test Method |
Rockwell Hardness (R-Scale) | 118 | ASTM D785 | |
| Thermal | Nominal Value | Unit | Test Method |
Deflection Temperature Under Load (0.45 MPa, Unannealed, 6.40 mm) | 216 | °C | ASTM D648 |
Deflection Temperature Under Load (1.8 MPa, Unannealed, 6.40 mm) | 207 | °C | ASTM D648 |
CLTE - Flow | ASTM E831 | ||
-40 to 40°C | 2.5E-5 | cm/cm/°C | |
60 to 138°C | 2.5E-5 | cm/cm/°C | |
RTI Elec | 140 | °C | UL 746 |
RTI Imp | 140 | °C | UL 746 |
RTI Str | 140 | °C | UL 746 |
| Electrical | Nominal Value | Unit | Test Method |
Volume Resistivity | > 3.2E+16 | ohms·cm | ASTM D257 |
Dielectric Strength | ASTM D149 | ||
1.60 mm, in Oil | 25 | kV/mm | |
3.20 mm, in Air | 19 | kV/mm | |
Dielectric Constant | ASTM D150 | ||
100 Hz | 3.80 | ||
1 MHz | 3.70 | ||
Dissipation Factor | ASTM D150 | ||
100 Hz | 2.0E-3 | ||
1 MHz | 0.020 | ||
Arc Resistance7 | PLC 5 | ASTM D495 | |
Comparative Tracking Index (CTI) | PLC 0 | UL 746 | |
High Voltage Arc Tracking Rate (HVTR) | PLC 1 | UL 746 | |
| Flammability | Nominal Value | Unit | Test Method |
Flame Rating (0.8 mm) | HB | UL 94 | |
Oxygen Index | 19 | % | ASTM D2863 |
訂購說明
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