S-Plastics Valox 771resin is 35% mineral/glass reinforced flame retardant grade with a CTI performance level class of 0 rating. Applications which may see electricalarcing.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, brk, Type I, 5 mm/min | 72 | MPa | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 2.3 | % | ASTM D 638 |
| Flexural Stress, brk, 1.3 mm/min, 50 mm span | 110 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 5860 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 373 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 42 | J/m | ASTM D 256 |
| THERMAL | Value | Unit | Standard |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 217 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 196 | °C | ASTM D 648 |
| Relative Temp Index, Elec | 140 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 125 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 140 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.72 | - | ASTM D 792 |
| Mold Shrinkage on Tensile Bar, flow (2) | 0.65 - 0.85 | % | S-Plastics Method |
| Mold Shrinkage on Tensile Bar, xflow (2) | 1 - 1.2 | % | S-Plastics Method |
| ELECTRICAL | Value | Unit | Standard |
| Arc Resistance, Tungsten {PLC} | 4 | PLC Code | ASTM D 495 |
| Hot Wire Ignition {PLC) | 0 | PLC Code | UL 746A |
| High Voltage Arc Track Rate {PLC} | 0 | PLC Code | UL 746A |
| High Ampere Arc Ign, surface {PLC} | 0 | PLC Code | UL 746A |
| Comparative Tracking Index (UL) {PLC} | 0 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94V-2 Flame Class Rating (3) | 0.6 | mm | UL 94 |
| UL Recognized, 94V-0 Flame Class Rating (3) | 0.76 | mm | UL 94 |
| UL Recognized, 94-5VA Rating (3) | 2 | mm | UL 94 |
| Source GMD, last updated:12/29/1999 | |||
| Parameter | ||
| 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 | 255 - 275 | °C |
| Nozzle Temperature | 255 - 270 | °C |
| Front - Zone 3 Temperature | 255 - 265 | °C |
| Middle - Zone 2 Temperature | 250 - 260 | °C |
| Rear - Zone 1 Temperature | 245 - 255 | °C |
| Mold Temperature | 65 - 95 | °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 | ||
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For more information please download the datasheet |
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S-Plastics Valox 771.pdf |
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