Our company offer quality acetylene black 50% compressed and 75% compressed. Our company offer many kinds of dry battery materials, such as 50% / 75% compressed Acetylene black, EMD, Ammonium chloride, Zinc chloride, zinc cake, copper cap, etc. Product: Acetylene Black 50% compressedSpec. Heating reduce 0.3% max.Fixed substance content 0.2% max.Thick grsin powder 0.02% max.PH 6-8Uncompensation ...