1. Product Introduction
An electric arc is a discharge phenomenon in which a current passes through a gas, and an arc occurs when a current of sufficient strength passes through the ionized air. An electric arc can cause an explosion, usually lasting less than a second, but it can release huge amounts of radiant energy that can ignite or melt everyday clothing. The arc temperature is very high and the core temperature can reach up to 20000 °C. Arcing can cause many secondary hazards such as flames, hot gases, molten metal spatters, pressure waves, etc., and can also generate high decibel noise and electric shock hazards.
Arc protection fabric grade requirements:
Level 1 requires APTV (Arc Energy Test) ≥4 Cal/cm2 1 layer
Level 2 requires APTV ≥ 8Cal/cm2 arc-proof fabric 1 or 2 layers
Level 3 requires APTV ≥ 25Cal/cm2 arc-proof fabric 2 or 3 layers
Level 4 requires APTV ≥ 40Cal/cm2 arc-proof fabric 3 layers or more
Cal/cm2 (calories per square centimeter) is the total energy in a unit area, which is the unit of the magnitude of the arc. The exposure energy of 1 cal/cm2 is equivalent to a lit cigarette butt on the fingertip for 1 second. As long as 1-2 cal/cm2, it will cause 2 pole burns on the human skin.
The Aramid Arc Resistant Fabric is certified to NFPA70E, ASTM F1506, ASTM F1959, IEC 61482-1-2 for effective safety protection.
2. Product Specification
3. Product Application
4. Production Factory
5. Product Qualification
6. Product Common Color
7. Deliver and Shipping
Q: How do normal fabrics react to ignition?
A: Normal fabrics and garments will burn away from the point of ignition with an increasing rate of flame spread and continue to burn after removal of the ignition source. Normal fabrics will continue to burn until they are extinguished or all flammable material is consumed.