Technical Specifications
Appearance: Clear to pale yellow liquid
Non-Volatile Content: 58 ± 2%
Viscosity @ 25°C: 250–500 cps
Free Formaldehyde: ≤0.8%
Specific Gravity @ 25°C: ~1.10 g/cm³
Solubility: Alcohols, esters, ketones, aromatics
Shelf Life: 12 months in sealed packaging under ambient storage
Key Benefits
Provides high surface hardness and chemical resistance
Fast-curing – ideal for high-speed production lines
Smooth film flow and gloss retention
Compatible with major binder systems
Performs well in clear and pigmented coatings
Applications
Coil Coatings
Can Coatings and Drum Linings
Metal Primers and Industrial Basecoats
Decorative Industrial Finishes
Protective Coatings for Metal Surfaces
Recommended use level: 10–25% by weight, depending on formulation.
Packaging
200 kg MS or HDPE drums
IBC totes / ISO tanks available
Export-ready packaging on request
Why Choose Shreebond BU-21?
Shreebond BU-21 hits that sweet spot between performance and practicality. It gives coatings the speed, hardness, and chemical durability they need—without overcomplicating your formula or inflating your budget.