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Indoor matting agents

KT208G

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Matting Agent KT208G

1.Description

KT208G is a solid, wax free, none-yellowing matting agent for hybrid systems. Slight excess epoxy resin is needed to react with matting agent in the formulation. Gloss level ranging from 4 to 40 can be easily obtained by adjustment of matting agent and polyester resin. Higher pigment and fillers loading can be applied in the formulation compared with Vestagon. The minimum baking temperature for consistent gloss and mechanical properties starts from 180℃.

2.Technical data

Appearance:white or yellowish powder

Volatile:<1.5%

Melting point :105-138℃

3.Application

Excess epoxy is needed to react with matting agent to get chemical balance. Normally one part of matting agent KT208G needs extra two parts of epoxy resin for complete reaction.

The KT208G can be applied either for 60/40 or 50/50 hybrid systems. The gloss level will be varied with the polyester resins.

Normally the dosage of KT208G in the formulation starts from 1% to 5% based on the total powder.

Baking temperature:15 to 10min@180 to 200℃.

4.Suggested formulation



White system

Epoxy resin

30.2

30.7

31.2

31.7

32.2

3B(pet)

28.1

26.6

25.1

23.6

22.1

PV88

0.7

0.7

0.7

0.7

0.7

TiO2

20

20

20

20

20

W-44HB

20

20

20

20

20

KT208G

1

2

3

4

5


Black system

Epoxy resin

30.2

30.7

31.2

31.7

32.2

3B(pet)

28.1

26.6

25.1

23.6

22.1

PV88

0.7

0.7

0.7

0.7

0.7

W-44HB

39.4

39.4

39.4

39.4

39.4

Carbon black

0.6

0.6

0.6

0.6

0.6

KT208G

1

2

3

4

5

  Epoxy resin: EEW 800-900,polyester: AV: 68-75mgKOH/g 3B from shenjian chemical.

       5.Storage and package

  Keep in the cool and dry place, PE-lined, with multi-ply paper bag, net weight : 25kg



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