Coatings Hardening Agent Melamine Powder

• Customization: Available
• Appearance: Powder
• Chemical Composition: C3h6n6
• Model NO.: melamine
• Type: High-range Water-reducing Agent
• From: White Monoclinic Crystal
• Function: Melamine Phosphate for PP
• Grade: Raw Material Chemicals
• Useful: Color Steel Tile Paint Coating
• Include: Protein Essence
• Ability: Melamine Resin
• Moisture: 0.1
• pH Value: 7.5-9.5
• Apply: Making Wood Furniture
• Mass Content: Protein Essence
• Transport Package: 25/50/1000 Kg Bags
• Specification: Melamine 99.8%min.
• Trademark: Vizda
• Origin: China
• HS Code: 2933610000
• Production Capacity: 500000 Mt/Year

Product Description

Name: Coatings Hardening Agent Melamine Powder
Chemical Formula: C3H6N6
Molecular Weight: 126.12 g/mol
Appearance: White crystalline powder
Purity: ≥99.8% (Industrial Grade)
CAS No.: 108-78-1

Product Description:
Melamine is a white crystalline organic compound that belongs to the family of heterocyclic compounds. It is rich in nitrogen and non-toxic under normal handling. It is widely used in the production of melamine-formaldehyde resins, which are known for their strong hardness, heat resistance, and flame retardant properties.

Industrial Use:

-Production of melamine formaldehyde resins used in laminates, adhesives, coatings, and molding compounds.
-Flame retardants in plastics, textiles, and paper.
-Surface coatings and decorative laminates for furniture and flooring.

Item	Specification
Appearance	White crystalline powder
Purity (Melamine)	≥99.8%
Moisture	≤0.1%
pH (20g/L solution)	7.5 - 9.5
Ash Content	≤0.03%
Insoluble Matter	≤0.02%

 

• How Melamine Works in Paints and Coatings:

• Crosslinking Agent:

  • Melamine reacts with formaldehyde to form melamine-formaldehyde resin.

  • In coatings, this resin acts as a hardening agent, forming a strong 3D network by crosslinking with polymers.

  • This chemical structure gives the coating mechanical strength and durability.

• Improved Film Properties:

  • The melamine-based crosslinked film resists:

    • Heat

    • Scratch and abrasion

    • Chemical attack (e.g., solvents, acids, oils)

  • Results in a high-gloss, smooth, and durable surface.

• Thermosetting Behavior:

  • Upon baking or curing (typically at 120-150°C), melamine-containing coatings form a thermoset film - meaning it won't melt or soften again.

• Formaldehyde Compatibility:

  • Melamine resins can be formulated with low free formaldehyde content to meet environmental standards in modern coatings.

 

 

Packing:

• 25 kg bags, 500 kg or 1000 kg jumbo bags.

• Customized packaging available upon request.

Storage & Handling:
Store in a cool, dry, and well-ventilated area. Avoid contact with strong oxidizers. Keep container tightly closed.