Resin
Urea Formaldehyde Resin
General Information
- Composition: Made by reacting urea and formaldehyde
- Properties: Thermosetting, durable, and thermally stable
- Applications: Commonly used as wood adhesive, coatings, and moulding compound.
- Advantages: Affordable, versatile
- Concerns: Associated with formaldehyde emissions; efforts made for lowformaldehyde alternatives.
- Environmental Impact: Not considered biodegradable; alternatives sought for sustainability
| Appearance | PH at 30 ±1℃ | VISCOSITY at 30 ±1℃ mpas | DENSITY at 30 ±1℃ g/ml | Solid Content % | Gel Time (second) | SHELF LIFE | Water Tolerance |
|---|---|---|---|---|---|---|---|
| White - S.D. W | 8.0 − 9.0 | 150 − 200 | 1.260 − 1.300 | 59.0 − 60.5 | 50 − 75 | 21 Days approx | - |
Uses
- Wood Adhesives: Bonds wood in woodworking applications
- Particleboard/MDF Production: Used as a binder in engineered wood products.
- Coatings and Finishes: Provides durability and chemical resistance.
- Moulding Compounds: Creates heat-resistant molded products.
- Paper Impregnation: Enhances strength and durability of paper.
Melamine formaldehyde Resin
General Information
- Composition: Polymer derived from melamine and formaldehyde
- Properties: Durable, heat-resistant, and resistant to chemicals.
- Advantages: Scratch-resistant, maintains color, and has high heat resistance
- Concerns: Potential for formaldehyde emissions; efforts for low-emission formulations.
| Appearance | PH at 30 ±1℃ | VISCOSITY at 30 ±1℃ mpas | DENSITY at 30 ±1℃ g/ml | Solid Content % | Cloud Time (Minutes) | SHELF LIFE | Water Tolerance |
|---|---|---|---|---|---|---|---|
| Clear - S. Hazy | 9.2 − 9.800 | 25 − 45 | 1.210 − 1.230 | 49.5 − 50.5 | 9-24 | 15 Days approx | 1: 1.5 − 1: 2.5 |
Uses
- Decorative Laminates: Commonly used on furniture and surfaces.
- Coatings: Provides scratch-resistant finishes on various materials.
- Adhesives: Forms strong bonds in woodworking.
- Fire Retardant Applications: Used as an additive in some materials.
- Construction: Applied as a protective and decorative surface coating.
