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WF-H7030B Hydroxyl Acrylic Resin

1. Compositions

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

 

2. The characteristic

Ø          Good pigment wetting,

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), %

3.0

Acid value (solid), mg KOH/g

10±2

Viscosity (25℃, bubble pipe), s

70~100

Colorimetric (Fe-Co)

≤1

 

5.        Application examples and property index (reference)

Reference formulation

Component A

WF-H7030B hydroxyl acrylic resin

51.53

BYK-110 dispersant

0.52

R-902 Titanium dioxide

26.25

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

0.30

BYK-306 leveling agent

0.20

Xylene

10.60

Butyl acetate

6.36

Propylene glycol ether acetate

4.24

Total

100.00

Component B

Desmodur N75

16.90

Butyl acetate

3.10

Total

20.00

Component A/component B=5/1

Paint properties

Substrate

Tinplate

Cure condition

80℃×30min

Viscosity (25, bubble pipe), s

100/100

hardness

H

Compact (kg·cm

50

Bending

1mm

Gloss (60°)

90

Tack free (min)

21

Hard dry (h)

22

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