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Product name: sodium crystal sulfide (Na2S.5 1/2 H2O) Properties: white granules, stable product quality, low accessory ingredients; Color white, tasteless, the air is easy to oxidize. Precautions: it should prevent rain, damp and heat, keep the package intact, and avoid contact with acid and corrosive articles. USES: mainly used in engineering plastics, rubber, silica gel, chemical cleaning agent, medicine, health food additives and other industries. |