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Nature of electromagnetic Starter Aug 05, 2016

Under the specified test conditions, gas, vapor, explosive mixtures of minimum igniting current and minimum igniting currents of explosive mixtures of methane. China gas, vapors hazardous materials class a according to minimum igniting current score for, II b and II c-class. Minimum igniting current ratio ≤ 1.0,>0.8 ⅱ a-class; ≤ 0.8,>0.45 ⅱ b; ≤ 0.45 for grade II c. For example, ethane, ethylene, acetylene, respectively II a, II b, II c-level hazardous material.