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Specifications :
Test | Specification | Findings Function | General Purpose PVC | FRLS |
---|---|---|---|---|
Critical Oxygen Index | ASTM-D2863 | To determine percentage of oxygen required to support combusting at room temperature | Oxygen required 23% | Oxygen required>29% |
Temperature Index | ASTM-D2863 | To determine at what temperature normal oxygen content of 21% in air will support combustion. | Maximum Temperature 120o>C | Temperature>250% |
Smoke Generation | ASTM-D2843/77 | To determine percentage of density of smoke generated by the PVC jacket over the cable under fire. | Smoke density 80% | Smoke density<60% |
Acid gas generation | IEC 754-1 | To determine percentage of hydrochloric acid released from the PVC jacket over the cable | Hydrochloric acid released>26% | Hydrochloric acid released <20% |
Flammability test on finished cable | IEEE 383 | To determine the extent of flame propagation in 20 minutes under specific flaming conditions, for a cable sample of 1.8 meters length. | Flame spreads over entire 1.8 meter length | Flame spreads for a maximum of 0.6 meters |
Flammability test class FII | Swedish SS 4241475 | To determine ignition resistance and flame propagation under specified conditions for a cable sample of 850 mm length | Complete burning of 850 mm length | Unburnt portion more than 300 mm |