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... of burning or decompose ,by test the loss of light in test case ,can watch flame and smoke during testing. Model:5910 Standard:ASTM D 2843 SMOKE DENSITY TEST GB/T 8627 SMOKE TEST Features: case body is made...
...withdrawable part can equip with components including vacuum circuit breaker and vacuum contactor etc 2. Technical Feature ---- Metal armoured and high protection class ---- Watch window ---- Pressure releas...