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WF-H5021 Hydroxyl Acrylic Resin

1. Compositions

It is made up of hydroxyl acrylic resin, xylene, butyl acetate etc.

2. The characteristic

Ø          Quick dry,

Ø          Adhesion is good,

Ø          Good compatibility with CAB-381-0.5.

3. Application field

It forms two-component paint which cures at normal temperature by adding HDI type poly-isocyanate composition, aluminum arranges good and suitable for formulating metallic paint, Mainly used for industry coatings such as automobile repairing coatings, coating of locomotive, ABS plastic coatings etc.

4. The main technical parameters

Item

Technical Index

Solid content (150×2hr), %

50±2

OH content (solid), %

2.1

Acid value (solid), mg KOH/g

5±2

Viscosity (25, bubble pipe), s

65~90

Colorimetric (Fe-Co)

≤1

4.        Application examples and property index (reference)

1) Reference formulation

Component A

Aluminum slurry

6.46

Wetting dispersant BYK-P-104S

0.10

CAB-381-0.5 (20% butyl acetate solution)

35.00

WF-H5021 hydroxyl acrylic resin

38.00

WF-F377 fluorocarbon modified acrylate leveling agent (Wuxi Wanbo Coating )

0.10

Disparlon 4200 wax slurry or Vinova 510 wax slurry

3.50

Butyl acetate

14.74

Propylene glycol ether acetate

2.10

Total

100.00

Component B

Desmodur N75

5.94

Butyl acetate

0.73

Total

6. 67

Component A/component B=15/1

Paint film properties

Substrate

Tinplate

Cure condition

80×30min

Adhesion (cross-cut)

100/100

Hardness

H

Compact (kg·cm)

50

Bending

1mm

Tack free (min)

4

Hard dry (h)

2

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