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WF-H7045 Hydroxyl Acrylic Resin

1.          It is made up of Cardura E 10p modified hydroxyl acrylic resin, xylene, butyl acetate etc.

2. The characteristic

Ø          High gloss,

Ø          Good weatherproof,

Ø          Good fullness.

3. Application field

It forms two-component paint which cures at normal temperature by adding HDI type poly-isocyanate composition, suitable for formulating middle to high solid content solid color finish coatings. Mainly used for industry coatings such as automobile repair coatings.

4. The main technical parameters

       Item       

Technical Index

Solid content (150×2hr), %

70±2

OH content (solid), %

4.5

Acid value (solid), mg KOH/g

7±2

Viscosity (25℃, bubble pipe),s

40~60

Colorimetric (Fe-Co)

≤1

5. Application examples and property index (reference)

Reference formulation

Component A

WF-H7045 hydroxyl acrylic resin

79. 54

BYK-331 leveling agent

0.20

Tin organic dryer (1% xylene solution)

0.85

Xylene

9.70

Butyl acetate

5.83

Propylene glycol ether acetate

3.88

Total

100.00

Component B

Desmodur N75

39.10

Butyl acetate

10.90

Total

50.00

Component A/component B=2/1

Paint performance

Substrate

Tinplate

Cure condition

80℃×30min

Adhesion (cross-cut)

100/100

Hardness

H

Bending

1mm

Gloss (60°)

110

Tack free (min)

24

Hard dry (h)

23

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