Search: Catalogs Paints and varnishes Polyurethane foams (PPU) and polyurethane systems Inorganic chemistry products Articles about products The use of polyurethane foams in construction. New regulatory documents. Composition and physicochemical properties of raw materials for obtaining rigid polyurethane foam of the Korund trademark. Rigid polyurethane foam and systems for its production of the Korund trademark. Association of manufacturers and consumers of pipelines with industrial polymer insulation. Fire-resistant coatings for sprayed PU foam Implementation of illiquid assets Tests for certification Sodium cyanide technical TU 2151-012-72311668-2005 GOST 8464-79 Empirical formula NaСN Applications: - cyanidation of steel; - electroplating; - hydrometallurgy of precious metals; - flotation processes for beneficiation of metal ores; - other industries. Technical requirements Indicator name Indicator value GOST 8464-79 TU 2151-012-72311668-2005 Appearance White or lightly colored crystals with lumps White or lightly colored crystals with lumps Mass fraction of sodium cyanide,%, not less 88 90 Mass fraction of caustic soda,%, no more 1.0 1.0 Mass fraction of water,%, no more 5.0 5.0 Mass fraction of sodium carbonate,%, no more 1.4 1.4 Mass fraction of water-insoluble substances,%, no more 0.2 0.2 Note. A product intended for the manufacture of synthetic drugs must be manufactured with a mass fraction of sodium cyanide at least 90% and water not more than 4%. Packaging - Steel drums with a capacity of up to 100 dm 3 . Steel drums are packed in plywood drums (according to GOST). Steel drums with a capacity of up to 100 dm 3 with polyethylene liner bags or polyethylene barrels with a capacity of up to 227 dm 3 with polyethylene liner bags (according to TU). Wagon loading rate - up to 40 tons. The guaranteed shelf life is 12 months from the date of manufacture. Home > Products > Catalogs > Inorganic chemistry products Copyright © 2004 Korund Home About the company News Products Wanted Sitemap