Water-Based Saturated Polyester Resin | High-Performance Binder for Amino Baking Enamel
Water-based Saturated Polyester Resin WL-181
WL-181 revolutionizes industrial coatings as an eco-conscious, oil-free aqueous resin. Engineered for versatility, its unique hydroxyl and amine crosslinking chemistry forms ultra-smooth, glass-like films that serve flawlessly as primer, topcoat, or protective overcoat varnish. Designed specifically for metal substrates, it combines laboratory-grade performance with effortless application.
Key Features
✅ Uncompromising Durability
Achieves pencil hardness >4H and withstands 100+ MEK solvent rubs
Maintains gloss retention with zero yellowing over time
✅ Eco-Safe Formulation
Low VOC (<50 g/L) and negligible odor
High solid content (75±2)% reduces overspray waste
✅ Adaptable Application
Applies smoothly via spray, roller, or brush
Bonds strongly to metals without pre-treatment
✅ Aesthetic Excellence
Self-leveling formula creates mirror-like finishes
Ideal for curved surfaces and intricate geometries
Recommended Applications
Automotive: Wheel rims, engine components, and decorative trims
Industrial Hardware: Machinery parts, tool coatings, and architectural metalwork
Premium Surfaces: Luxury furniture hardware, high-end wood-effect metals
It is recommended for hardware accessories, car wheel drum, high-grade wood paint and other industrial fields.
Technical Index
Appearance:light yellow to light brown transparent viscous liquid
Solid Content:75%(120℃,30min)
Acid Value:25 mg KOH/g
Hydroxyl Value:100-120 mg KOH/g
Instructions:
The etherfied water based amino is recommend for crosslinking.The consumption is 35-40%of the resin consumption,and the baking temperature is above 130℃.
Paint film property
WL-181 paint film property
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Film thickness(μm)
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25
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Gloss(600)
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>90
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Adhesion(Cross-cut tape test)
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≤Grade 1
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Flexibility(Grade)
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1
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Impact resistance(kg,cm)
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50
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Hardness
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3H
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Resistance to butanone rub
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>100times
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Baking condition
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130℃/20min
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Product Tags:
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Water Based Saturated Polyester Resin Transparent Viscous Liquid For Metal Coatings Images
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