Sodium sulfite

Product Description

Uses: Pulp bleaching agent; chemical fiber stabilizer; fabric bleaching agent; dyeing industry Deoxidizer drift; the chemical industry by reducing agent and sulfonating agent; tannin tanning agent; beneficiation inhibitors; water treatment agent Transport and storage Note: in the transport process should be to prevent the sun and rain and damp; stored in a cool dry ventilated coffers, not with strong acid and oxidizer, or toxic and harmful substances were mixed Wan Chu. This product has deliquescence, not long storage. Packaging: plastic woven bag lined with polyethylene plastic film bag, net weight *0 kilograms or *5 kilograms. （Product specifications）： Index Item INDEX Appearance Excellent Class First Class Second Class Common Class Appearance White crystal powder White or light grey power White or light grey power White or light grey power Free alkali *6% *3% *0% *5% Water 1% 2% 4% *5% Insoluble max 0.8% *****- *****- *****- Fe max 0.1% 0.1% 0.1% 0.1% 0.*2% 0.*2% 0.*2% 0.*2%