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KT108S matting agent fior powder coating


KT108S is a kind of matting agent designed for hybrid system. It has the following features: none yellowing, good matting effect, good flowing and gloss consistence. The powder formulated with KT108S is compatible with one formulated with B68.

2.Technical data

Appearance:white or yellowish powder


Melting point :100-135℃


KT108S is suitable for 50/50,60/40 hybrid systems. The combination of different kinds of polyester resins with different acid value may lead to the very good matting effect.

Very excellent color stability even at high bake temperature, this makes the KT108S particularly suitable for light shades

Wax free matting agent, good recoatability expected.

The gloss level varies from the polyester resin selected and the formulation applied

The starting bake temperature from 170℃

Suitable wax can be added if needed.

Generally: the gloss of powder based on the KT108S can be adjusted by selecting: amount of matting agent(1---5phr), type of polyester resin(50/50,60/40 or combination of them).

Powder with KT108S can be compatible with  B68.

4.Suggested formulation

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