carbon additive 1. High carbon content:90%, 92%,95% 2.Factory directly offer 3. large quantity offer 1. Product • ... water, shipbuilding sandblast to remove rust,producing carbon materials.Specifications of 90%-95%:1. F·C:95%, V.M:1.0%(MAX),A:4 ... certificate and the right for carbon export. •Service we can supply the carbon additive with 90%,92%,93% and 95% with good quality.Owning a ...