About Us

Henan Dahua Chemical Company Limited is located into Puyang City, Henan province where is one of National health city and National garden city in China. Dahua Chemical starts construction in September 2012; The Company completed 15,000 tons of Melamine in September 2014, The Company completed another 15, 000 tons Melamine in October 2016. The Company completed 6000 tons 4,4 '-diaminodiphenylmethane in May 2019. The Company completed 3000 tons 4,4'-Diaminobicyclohexylmethane in March, 2023. Since the establishment and operation of the enterprise, Dahua Chem has always adhered to the customer center, continuously creating long-term value for customers, and won high praise from customers with high-quality products and honest service. Dahua's vision is building a world-class chemcial product suppliers. The Company insists on the tenet of quality first and credit first. In recent years, Dahua has established stable business cooperation relations with countries in Asia, Europe and America and achieved remarkable results. Dahua is committed to providing customers with the best melamine and services. We sincerely welcome customers from all over the world to visit our company and discuss the long-term cooperation on the basis of equality and mutual benefit. We believe that we and you will not only become partners in trade but also become interdependent friends through our joint efforts.

Featured Products

Product

1, Physical and chemical properties Product name: Melamine Other names: 2,4,6-Triamino-s-triazine Appearance: white single crystal or white powder Molecular weight: 126.13 Formula: C3N6H6 Density: 1.573 (Water = 1) Melting point: 354℃ Melamine is soluble in glycerin, pyridine, heat ethylene glycol, ethanolamine, acetic acid, formaldehyde, etc., but insoluble in ethyl ether and carbon tetrachloride. Melamine is weakly alkaline, which can react with acids to form corresponding salt. Melamine can have hydrolysis reaction with water in the acid and boiling conditions, to generate cyanuric acid diamides, cyanuric acid amides and cyanuric acid. 2, Specification: Standard: GB/T9567-1997 Item Standard Purity 99.8% Min Moisture 0.1% Max PH value 7.5 -- 9.5 Ash Content 0.03% Max Colority (platinum-cobalt) NO. 20 Max Turbidity (Kaolin) 20Max 3, Uses Melamine is an organic chemical intermediate, which is widely used in paints, pharmaceuticals, building materials, paper making, leather, textile and other industries. A: Decorative panels: can be made into fireproof, quakeproof and heat-resistant laminates, bright colored, sturdy and heat-resistant decorative panels, veneers for aircrafts, vessels and furniture, and fireproof, quakeproof and heat-resistant housing decoration materials B: Coatings: after being etherified in butanol or methyl, it can be used as crosslinking agents for high-end thermosetting coatings and solid powder coatings, or to make high-grade amino resin decorative paints for metal coatings, vehicles, and electrical appliances. C: Molding powder: after mixing, granulation and other processing, it can be made into melamine plastic, which is nontoxic and stain-resistant. In the damp condition, it can still maintain good electrical performance; it can be made into high-end insulation materials for white and shatterproof household utensils, health ware, melamine tableware, electrical alliances and so on. D: Papers: after being etherified in ether, it can be used as paper handling agents, to produce anti-creasing, anti-shrinking, and rot-resistant paper money and military maps, and other high-end papers. E: Being mixed with other materials, melamine formaldehyde resin can also be used to produce fabric finishing agents, tanning agents, polishing agents and water repellent for leathers, rubber adhesives, flame retardants, efficient concrete water reducers, steel diluters and so on. 4, Packing: Packed in 25kgs/500kgs/1000kgs bags