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WF-H6028 Hydroxyl Acrylic Resin

1. Compositions

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

 

2. The characteristic

Ø          High gloss,

Ø          Good weatherproof

Ø          Quick dry.

 

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 industry coatings such as automobile repair coatings.

 

4. The main technical parameters

    Item

Technical Index

Solid content (150℃×2hr), %

60±2

OH content (solid), %

2.8

Acid value (solid), mg KOH/g

4±2

Viscosity (25℃, bubble pipe), s

50~70

Colorimetric (Fe-Co)

≤1

 

5.        Application examples and property index (reference)

Reference formulation

Component A

WF- H6028 hydroxyl acrylic resin

56.88

BYK-110 dispersant

0.49

R-902 Titanium dioxide

24.50

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

0.30

BYK-306 leveling agent

0.20

Xylene

8.81

Butyl acetate

5.29

Propylene glycol ether acetate

3.53

Total

100.00

Component B

Desmodur N75

15.16

Butyl acetate

4.84

Total

20.00

Component A/component B=5/1

Paint film performances

Substrate

Tinplate

Cure condition

80℃×30min

Adhesion (cross-cut)

100/100

hardness

2H

Compact (kg·cm)

50

Bending

1mm

Gloss (60°)

94

Tack free (min)

14

Hard dry (h)

15

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