S-Plastics valox PBT plastic is a kind of plastic composed of polybutylene terephthalate. It is a semi crystalline material with very good chemical stability, mechanical strength, electrical insulation characteristics and thermal stability.
PBT applications
S-Plastics valox DR48 is a 17% glass filled, flame retardant Polybutyleneterephthalate (PBT) injection moldable grade with excellent chemical resistance. It has a UL94V0@0.90mm and 5VA@3.0mm flame rating. Applications: lamp sockets, connectors, witches, electrical housings,bases, bobbins, trimmers and electromotor housings.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, brk, Type I, 5 mm/min | 93 | MPa | ASTM D 638 |
| Flexural Stress, brk, 1.3 mm/min, 50 mm span | 144 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 5030 | MPa | ASTM D 790 |
| Hardness, Rockwell R | 118 | - | ASTM D 785 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 534 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 53 | J/m | ASTM D 256 |
| THERMAL | Value | Unit | Standard |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 210 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 182 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 1.98E-05 | 1/°C | ASTM E 831 |
| CTE, 60°C to 138°C, flow | 1.98E-05 | 1/°C | ASTM E 831 |
| Relative Temp Index, Elec | 120 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 120 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 140 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.53 | - | ASTM D 792 |
| Specific Volume | 0.65 | cm³/g | ASTM D 792 |
| Water Absorption, 24 hours | 0.07 | % | ASTM D 570 |
| Mold Shrinkage, flow, 1.5-3.2 mm | 0.4 - 0.6 | % | S-Plastics Method |
| Mold Shrinkage, flow, 3.2-4.6 mm | 0.6 - 0.9 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 1.5-3.2 mm | 0.5 - 0.8 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2-4.6 mm | 0.8 - 1.1 | % | S-Plastics Method |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | 3.6E+16 | Ohm-cm | ASTM D 257 |
| Dielectric Strength, in air, 3.2 mm | 18.8 | kV/mm | ASTM D 149 |
| Dielectric Strength, in oil, 1.6 mm | 25.5 | kV/mm | ASTM D 149 |
| Relative Permittivity, 100 Hz | 3.6 | - | ASTM D 150 |
| Relative Permittivity, 1 MHz | 3.4 | - | ASTM D 150 |
| Dissipation Factor, 100 Hz | 0.002 | - | 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) | 3 | PLC Code | UL 746A |
| High Voltage Arc Track Rate {PLC} | 4 | PLC Code | UL 746A |
| High Ampere Arc Ign, surface {PLC} | 0 | 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) | 0.88 | mm | UL 94 |
| UL Recognized, 94-5VA Rating (3) | 2.99 | mm | UL 94 |
| CSA (See File for complete listing) | LS88480 | File No. | CSA LISTED |
| Oxygen Index (LOI) | 29 | % | ASTM D 2863 |
| Source GMD, last updated:12/29/1999 | |||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 12 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 250 - 265 | °C |
| Nozzle Temperature | 245 - 260 | °C |
| Front - Zone 3 Temperature | 250 - 265 | °C |
| Middle - Zone 2 Temperature | 245 - 260 | °C |
| Rear - Zone 1 Temperature | 240 - 255 | °C |
| Mold Temperature | 65 - 90 | °C |
| 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 |
| Source GMD, last updated:12/29/1999 | ||
Hot-sale product(in stock)
PBT: 325,325FC,310,310SE0
PC+PBT: 357 357U,5220U,V3900WX
PBT + glass filled: DR51, DR48, 420 420se0, 553, 508, 420HP
With a strong sales network and strength, we have warehousing services in Guangzhou, Dongguan, Shenzhen free trade zone, Hong Kong and other four places (conventional product inventory exceeds 1000 tons). We can provide customers with rapid response, professional service and excellent products!
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For more information please download the datasheet |
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S-Plastics Valox DR48.pdf |
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