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WF-H7030 Hydroxyl Acrylic Resin

1. Compositions

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

 

2. The characteristic

Ø          Quick dry,

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 clear 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), %

3.0

Acid value (solid), mg KOH/g

10±2

Viscosity (25℃, bubble pipe), s

45~70

Colorimetric (Fe-Co)

≤1

 

 

5.      Application examples and property index (reference)

Reference formulation

Component A

WF-H7030 hydroxyl acrylic resin

79.28

BYK-331 leveling agent

0.20

Tin organic dryer (1% xylene solution)

0.75

Xylene

9.88

Butyl acetate

5.94

Propylene glycol ether acetate

3.95

Total

100.00

Component B

Desmodur N75

26.00

Butyl acetate

7.30

Total

33.30

Component A/component B=3/1

 

Paint properties

Substrate

Tinplate

Cure condition

80℃×30min

Adhesion (cross-cut)

100/100

Hardness

H

Bending

1mm

Gloss (60°)

110

Tack free(min)

17

Hard dry (h)

19

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