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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.
✅ 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.
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
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
|
Film thickness(μm) |
25 |
|
Gloss(600) |
>90 |
|
Adhesion(Cross-cut tape test) |
≤Grade 1 |
|
Flexibility(Grade) |
1 |
|
Impact resistance(kg,cm) |
50 |
|
Hardness |
3H |
|
Resistance to butanone rub |
>100times |
|
Baking condition |
130℃/20min |
