Paint chemicals

Performance Features

Low odor, great hardness, excellent adhesion, film

fullness, abrasion resistance, and water resistance.

Use in combination with epoxy resin for anti-corrosive

flooring, glass, or stone carpet coatings

Waterborne Epoxy Resin Hardener: Properties and Applications

Table 1: Key Characteristics of Waterborne Epoxy Hardeners

Property	Typical Value	Significance
Appearance	Milky liquid	Visual quality indicator
Solid Content	40-60%	Determines film build
pH Value	7.0-9.5	Stability and compatibility
VOC Content	<50 g/L	Environmental compliance
Pot Life	2-8 hours	Application window
Cure Time	16-24 hours	Full cure at 25°C

Table 2: Comparison with Solvent-Based Hardeners

Parameter	Waterborne	Solvent-Based
VOC Emission	Very Low	High
Odor	Minimal	Strong
Cure Speed	Slower	Faster
Film Clarity	Slightly hazy	Crystal clear
Substrate Wetting	Good	Excellent

Table 3: Common Application Areas

Industry	Application	Benefits
Flooring	Industrial coatings	Low odor, easy cleanup
Construction	Concrete sealers	Deep penetration
Marine	Boat hull coatings	Corrosion resistance
Automotive	Primer coatings	Eco-friendly
Woodworking	Furniture finishes	Non-yellowing

Table 4: Mixing and Application Guidelines

Parameter	Specification
Mixing Ratio	2:1 to 4:1 (resin:hardener)
Application Temp	10-35°C
Relative Humidity	40-70%
Recoat Time	4-6 hours
Tool Cleaning	Water washable

Table 5: Performance Data

Test	Method	Result
Adhesion	ASTM D4541	>3 MPa
Chemical Resistance	ASTM D1308	24h exposure
Abrasion	ASTM D4060	<50mg loss
Flexibility	ASTM D522	Pass 6mm mandrel
Gloss (60°)	ASTM D523	80-90 units

Waterborne epoxy hardeners provide an environmentally friendly alternative to traditional systems while maintaining excellent performance characteristics. Their low VOC content and easy water cleanup make them particularly suitable for indoor applications where air quality is a concern.