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WF-H6022 Hydroxyl Acrylic Resin

1. Compositions

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

 

2. The characteristics

Ø          Quick dry,

Ø          High hardness,

Ø          Good adhesion with aluminum substrate.

 

3. Application field

It forms two-component paint which cures at normal temperature by adding HDI type poly-isocyanate composition, suitable for formulating various solid color paint, Mainly used for metal surfaces coatings.

 

4. The main technical parameters

    Item

Technical Index

Solid content (150℃×2hr), %

60±2

OH content (solid), %

2.2

Acid value (solid), mg KOH/g

7±2

Viscosity (25℃, bubble pipe), s

15~30

Colorimetric (Fe-Co)

≤1

 

5. Application examples and property index (reference)

Reference Formulations

Component A

WF-H6022 hydroxyl acrylic resin

60.66

BYK-110 dispersant

0.49

R-902 Titanium dioxide

24.50

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

0.20

BYK-306 leveling agent

0.10

Dryer di-butyl tin di-laurate (1% Xylene solution)

0.70

Xylene

6.67

Butyl acetate

4.00

Propylene glycol ether acetate

2.68

Total

100.00

Component B

Desmodur N75

12.15

Butyl acetate

0.35

Total

12.50

Component A/component B=8/1

Paint film performances

Substrate

Aluminum plate

Cure condition

80℃×30min

Adhesion (cross-cut)

100/100

Hardness

2H

Compact (kg·cm)

50

Bending

1mm

Gloss (60°)

85

Tack free (min)

16

Hard dry (h)

18

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