CAS No.: | 63440-93-7 |
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Formula: | C24h24o8 |
EINECS: | 618-371-8 |
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Currency: | US$ |
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Product Description | ||||||||
DR48 is a 17% glass filled, flame retardant Poly butyleneterephthalate (PBT) injection moldable grade with excellent chemical resistance. It has a [email protected] and 5VA@3.0mm flame rating. This is a good candidate for a variety of applications in the electrical industry including connectors, bobbins, and switches. | ||||||||
General | ||||||||
Form | Resin | Pellets | ||||||
Filler | 17 % | Glass Fiber | ||||||
UL Yellow Card E207780-103477885 | ||||||||
Hood | ||||||||
Bobbins | Industrial Applications A t ti E t i | Electronic Displays A t ti I t i |
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Uses | Lawn And Garden E i t | u omo ve x er or | u omo ve n er or | |||||
qu pmen | Connector | Constraction | ||||||
Outdoor | Rail | Electrical | ||||||
Medical | ||||||||
Physical | Nominal Value | Test Method | ||||||
Density / Specific Gravity | 1.53 g/cm³ | ASTM D792 | ||||||
Specific Volume | 0.650 cm³/g | ASTM D792 | ||||||
Molding Shrinkage, Across Flow | Internal Method | |||||||
1.5 - 3.2 mm | 0.50 - 0.80 % | |||||||
3.2 - 4.6 mm | 0.80 - 1.1 % | |||||||
Molding Shrinkage, Flow | Internal Method | |||||||
1.5 - 3.2 mm | 0.40 - 0.60 % | |||||||
3.2 - 4.6 mm | 0.60 - 0.90 % | |||||||
Water Absorption(24 hr) | 0.070 % | ASTM D570 | ||||||
Rockwell Hardness, R-Scale | 118 | ASTM D785 | ||||||
Mechanical | Nominal Value | Test Method | ||||||
Tensile Strength, Break(5 mm/min;Type I) | 93.0 MPa | ASTM D638 | ||||||
Flexural Modulus(1.3 mm/min;50 mm;Span) | 5200 MPa | ASTM D790 | ||||||
Flexural Strength, Break(1.3 mm/min;50 mm;Span) | 140 MPa | ASTM D790 | ||||||
Notched Izod Impact(23 °C) | 49 J/m | ASTM D256 | ||||||
Unnotched Izod Impact(23 °C) | 500 J/m | ASTM D4812 | ||||||
Thermal | Nominal Value | Test Method | ||||||
Deflection Temperature Under Load, Unannealed 0.45 MPa;6.4 mm 1.8 MPa;6.4 mm |
210 °C 182 °C |
ASTM D648 | ||||||
CLTE, Flow -40 - 40 °C 60 - 138 °C |
2.0E-5 cm/cm/°C 2.0E-5 cm/cm/°C |
ASTM E831 | ||||||
RTI Elec | 120 °C | UL 746 | ||||||
RTI Imp | 120 °C | UL 746 | ||||||
RTI Str | 140 °C | UL 746 | ||||||
Flame Rating 0.9 mm 3 mm |
V-0 5VA |
UL 94 | ||||||
Oxygen Index | 29 % | ASTM D2863 | ||||||
Electrical | Nominal Value | Test Method | ||||||
Volume Resistivity | 1.0e+15 ohms ·cm | ASTM D257 | ||||||
Dielectric Strength, in Oil(1.6 mm) | 25 kV/mm | ASTM D149 | ||||||
Dielectric Strength, in Air(3.2 mm) | 19 kV/mm | ASTM D149 | ||||||
Dielectric Constant 100 Hz 1.0e+6 Hz |
3.60 3.40 |
ASTM D150 | ||||||
Dissipation Factor 100 Hz 1.0e+6 Hz |
2.0E-3 0.016 |
ASTM D150 | ||||||
Arc Resistance, Tungsten Electrode | PLC 6 | ASTM D495 | ||||||
Comparative Tracking Index, CTI | PLC 3 | UL 746 | ||||||
High Amp Arc Ignition, HAI, Surface | PLC 0 | UL 746 | ||||||
High Voltage Arc Tracking Rate, HVTR | PLC4 | UL 746 | ||||||
Hot-wire Ignition, HWI | PLC 3 | UL 746 |
Processing | Nominal Value |
Drying Temperature<Injection> | 120 °C |
Drying Time<Injection> | 3.0 - 4.0 hr |
Suggested Max Moisture<Injection> | 0.020 % |
Suggested Shot Size<Injection> | 40 - 80 % |
Rear Temperature<Injection> | 240 - 255 °C |
Middle Temperature<injection> | 245 - 260 °C |
Front Temperature<Injection> | 250 - 265 °C |
Nozzle Temperature<Injection> | 245 - 260 °C |
Processing Temp, Melt<Injection> | 250 - 265 °C |
Mold Temperature<Injection> | 65 - 90 °C |
Back Pressure<Injection> | 0.300 - 0.700 MPa |
Screw Speed <Injection> | 50 - 80 rpm |
Vent Depth <Injection> | 0.025 - 0.038 mm |
Injection, Drying Time, Cumulative<Injection> | 12 hrs |