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WF-H6021 Hydroxyl Acrylic Resin

1. Compositions

It is made up of epoxy modified acrylic resin, xylene etc.

 

2. The characteristic

Ø          Good adhesion,

Ø          Good salt-fog anti-corrosive,

Ø          Good dry speed.

 

3. Application field

It forms two-component paint which cures at normal temperature by adding TDI type poly-isocyanate composition, suitable for formulating various primer, anti-corrosive coatings, or manufactures one-component primers compatibility with melamine resins; Mainly used for primers of  metal surfaces, automobile or   engineering machinery primers.

 

4. The main technical parameters

         Item

Technical Index

Solid content (150℃×2hr), %

60±2

OH content (solid), %

2.1

Acid value (solid), mg KOH/g

8±2

Viscosity (25℃, bubble pipe), s

15~35

Colorimetric (Fe-Co)

≤1

5.        Application examples and property index (reference)

Reference formulating 1

Component A: Two-component epoxy modified acrylic polyurethane iron red primer

WF-H6021 epoxy modified acrylic resin

26.78

Epoxy 601 (50% solution)

21.00

BYK-110 dispersant

0.38

Iron oxide red

19.25

Zinc phosphate

11.55

Talc

7.70

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

0.14

Xylene

6.60

Butyl acetate

3.96

Propylene glycol ether acetate

2.64

Total

100.00

Component B

Desmodur  L75

6.58

Butyl acetate

3.42

Total

10.00

Component A/component B=10/1

Paint film performances

Substrate

Tinplate

Cure condition

80℃×30min

Adhesion (cross-cut)

100/100

Hardness

B

Compact (kg·cm)

50

Bending (mm)

1

Salt-fog anti-corrosive (phosphate steel plate, h)

300

Tack free (min)

20

Hard dry (h)

22

Reference formulation 2

    One-component epoxy modified acrylic amino iron oxide red primer

WF-H6021 epoxy modified acrylic resin

22.50

Epoxy 601 (50% solution)

13.50

BYK-110 dispersant

0.33

Iron oxide red

16.50

Zinc phosphate

9.90

Talc

6.60

582-2 amino resin

11.25

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

0.12

Xylene

9.70

Butyl acetate

5.80

Propylene glycol ether acetate

3.80

Total

100.00

Paint film performances

Substrate

Tinplate

Cure condition

130℃×30min

Adhesion (cross-cut)

100/100

Hardness

HB

Compact (kg·cm

50

Bending

1mm

Gloss (60°)

40

Salt fog anti-corrosive (phosphate steel plate), h

200

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