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What's the use of magnesium hydroxide

发表时间:2022-08-08

Uses: magnesium hydroxide is widely used in PE, PP, PVC, ABS, PS, hips, PA, PBT, unsaturated polyester, epoxy resin, rubber, paint flame retardant filler, chemical industry, environmental protection and other industrial fields; It is an excellent flame retardant and filler for plastics, rubber and other polymer materials. It can be used as a flue gas desulfurizer in environmental protection and can replace caustic soda and lime as a neutralizing agent for acid containing wastewater; It is used as an oil additive to prevent corrosion and desulfurization; Used in electronics industry, medicine, sugar refining; Used for thermal insulation materials and other magnesium salt products.
Ordinary magnesium hydroxide: used in rubber, plastic, paint, coating, chemical and other industries.
Active magnesium hydroxide: active magnesium hydroxide flame retardant is widely used in rubber, chemical industry, building materials, plastics (polypropylene, polyethylene, polyvinyl chloride, ethylene propylene diene rubber) and electronic, unsaturated polyester, paint, coating and other polymer materials, especially for flame retardant, smoke suppression and antistatic of mine air duct coating cloth, PVC whole core transport belt, flame retardant rubber plate, tarpaulin, PVC wire and cable materials, mine cable sheath and cable accessories, It can replace aluminum hydroxide and has excellent flame retardant effect.
appearance:
White crystals or powders.
Packaging: the products are packed in composite paper bags, and the inner layer is packed in plastic film bags, with a net weight of 25kg.
Handling and storage: handle with care, seal and store, and do not get damp.
Physical and chemical properties: white crystal or powder. The aqueous solution is alkaline. 2.36g/cm3。 It is soluble in dilute acid and ammonium salt solutions and almost insoluble in water and alcohol. The solubility in water (18.degree. C.) was 0.0009 g / 100 g. It is easy to absorb carbon dioxide in the air. When heated above 200 ℃ in the alkaline solution, it becomes a hexagonal crystal system. Decomposed at 350 ℃ to form magnesium oxide and water. When the temperature is higher than 500 ℃, water is lost and magnesium oxide is converted. Magnesium carbonate in boiling water can be converted into magnesium hydroxide with poor solubility. Particle size: 1.5-2 μ m. Mesh number 10000, whiteness ≥ 95.