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Commonly used standard test for the GB / T 3 (equivalent to IEC-1999); Refractory wire and cable refers to the temperature and time under the flame combustion, can still maintain the integrity of the wire and cable Commonly used standard test for the GB / T 6 (equivalent to IEC-21-1999); halogen-free low smoke wire and cable is divided into two types of flame retardant and flame retardant Flame Retardant refers to materials that are free of halogen, less dust generated during combustion, and have wires and cables that prevent or delay flame spread Commonly used standard tests are GB / T 2 (equivalent to IEC-2), GB / T 2 (equivalent to IEC-2) and GB / T 3 (equivalent to EC-3) Flame retardant and fire resistant type on the basis of the need to meet the requirements to maintain the integrity of the line, while the commonly used standard test increased GB / T 6 (equivalent to IEC); mineral insulated cables in the flame with non-combustible and smoke-free non-toxic performance, which itself will not cause a short circuit caused by fire Commonly used standard tests except GB / T 6 fire test, but also for the actual situation of the fire, with reference to the British BS standard test on the cable anti-spray water and anti-mechanical impact (heavy fall) the ability of the standard requirements At the same time, you can refer to the national standard "rated voltage 750V and below mineral insulated cables and terminals" (GBl3033-1991)
Flame-retardant wire and cable means a wire and cable that is difficult to fire and has the ability to prevent or delay the spread of flame
Wire and cable combustion characteristics classification and standard test wire and cable according to its own combustion characteristics, can be divided into ordinary wire and cable, flame retardant wire and cable, fire wire and cable, halogen-free low smoke wire and cable and mineral insulated cable
