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WL-AD3953 is an aqueous hydroxy-functional polyacrylic dispersion specifically formulated for coating applications on metal substrates, including basecoats, topcoats, and clearcoats. This hydroxylated acrylic dispersion serves as a direct replacement for Bayhydrol A2470 when used in combination with complementary resin systems from our product line.
Key characteristics include:
Crosslinking capability with aliphatic polyisocyanates to form high-gloss finishes
Flexible curing options: ambient temperature drying or accelerated curing at 80°C
Exceptional film properties:
Balanced hardness and elasticity
Superior resistance to solvents, water, and environmental exposure
Performance advantages:
Rapid hardness development
High threshold for bubble-free film formation
Broad chemical resistance
Excellent compatibility with solvent-borne isocyanate crosslinkers
The cured coating system demonstrates outstanding durability for industrial applications requiring both aesthetic appeal and long-term protection. Typical uses include automotive refinish, industrial maintenance coatings, and metal packaging finishes where regulatory-compliant, waterborne solutions are preferred.
Physical Property
Item
Value
Appearance
Milky white liquid
Non-Volatile content(%)
45±1
Viscosity(m Pa · s)
500~4500
PH
7.5~8.5
Hydroxyl content (reference value, %)
3.3
*This performance represents typical results only and is not considered a specification, subject to specific COA
The film parameters of WL-AD3953 reacting with a group of isocyanate curing agents are as follows:
Item
WL-AD3953/TPA-100 (BGA dilution)
Surface drying time(25℃/35% outdoor corridor In breeze)
30min
Surface drying time(14.5℃/60% outdoor corridor Under medium to high humidity conditions)
80min
Water resistance at room temperature
15 days
Pencil hardness (baking)
H
Bending resistance (mm)
<1
Impact (positive/negative cmkg)
50/30
Effective Validity period at 35℃
3h
Application Guidelines
When combining with solvent-based isocyanate curing agents:
Dilution Requirement: First dilute the dispersion to 60-70% concentration using suitable co-solvents (e.g., BGA, PGDA, or PMA+DBE blend at 1:2 ratio)
Mixing Protocol:
Thoroughly blend main resin component and curing agent after combination
Ideal mixing method: Use mechanical stirring equipment (pneumatic or electric stirrer)
Water Content Control:
Limit water dilution: Recommended ≤5% of main resin component
Absolute maximum: ≤10% of main resin component (Exceeding 10% causes gloss reduction)
Stability Precautions:
Avoid resin participation in pigment grinding processes
Product transportation: Handle with care to avoid impact, damage and leakage.
Product storage: The product should be stored in a sealed container to avoid freezing and high temperature. The
recommended storage temperature is 5~35℃
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2010
Total Annual:
4000000-6000000
Employee Number:
80~100
Ecer Certification:
Verified Supplier
Xiamen WangQin Chemical Technology Co., Ltd. is a technology-based enterprise integrating research and development (R&D), production, and operations. Equipped with advanced modern production facilities and comprehensive testing equipment. Since its establishment,WangQin has ...
Xiamen WangQin Chemical Technology Co., Ltd. is a technology-based enterprise integrating research and development (R&D), production, and operations. Equipped with advanced modern production facilities and comprehensive testing equipment. Since its establishment,WangQin has ...