... r manufacturer 4. 25kgs or 50lbs/c 1. PRODUCTION DESCRIPTION:White or off-white granular,slight characteristic odor,freely soluble in water ... )Heavy metals(as lead),% ≤10ppmLead,% ≤2ppmMercury ≤1ppmAldehydes(as formaldehyde)% ≤0.1%Arsenic,ppm ≤2ppmCadmium ≤0.02ppmZinc ≤0.1ppmChloride ≤180ppmSulfate(as S04 ... or off white granularParticle Size(As Mesh) 20 Mesh fcciv granular Potassium Sorbate food grade