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Waterborne High Gloss Hydroxy Functional Polyacrylic Dispersion Acrylic Resin For Metal Coatings

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Waterborne High Gloss Hydroxy Functional Polyacrylic Dispersion Acrylic Resin For Metal Coatings

Brand Name : WeiLi Resin®

Model Number : WL-AD3953

Certification : ISO9001

Place of Origin : China

MOQ : 5000kg

Price : Negotiable

Payment Terms : ,L/C,T/T

Supply Ability : 500t/month

Product Name : Waterborne Hydroxyl Acrylic Resin

Non-Volatile content（%） : 45±1

Viscosity（m Pa · s） : 500~4500

PH : 7.5~8.5

Hydroxyl content (reference value, %) : 3.3%

Pencil hardness (baking) : H

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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:

  1. ‌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)
  2. ‌Mixing Protocol‌:
    • Thoroughly blend main resin component and curing agent after combination
    • Ideal mixing method: Use mechanical stirring equipment (pneumatic or electric stirrer)
  3. ‌Water Content Control‌:
    • Limit water dilution: Recommended ≤5% of main resin component
    • Absolute maximum: ≤10% of main resin component
      (Exceeding 10% causes gloss reduction)
  4. ‌Stability Precautions‌:
    • Avoid resin participation in pigment grinding processes
    • Grinding operations introduce multiple instability factors
    • May compromise dispersion stability during color paste preparation

    • Waterborne High Gloss Hydroxy Functional Polyacrylic Dispersion Acrylic Resin For Metal Coatings

    • Store:
      Packaging specifications: 20KG/200KG/1000KG plastic barrel
      Shelf life: 6 months
      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℃


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