... delivery-Good quality-Best service and Good reputation-All the inspections such as BV, SGS, ISO9001.Usage: ... Primarily used as the filler of dyes and auxiliaries agents, and as the accelerating agent of direct dyes, sulfur dyes ... agent and flocculating agent. Also used in paper making, glass, printing and dyeing, synthetic fiber, leather and other ... %min PH:9-11;SGS ,BV;HS Code :2833110000