G570 Outdoor low gloss matting agent test report

- May 29, 2018 -

G570 Matting test

TIM图片20180524114629.pngG570 Outdoor low gloss matting agent test report

G570 is a kind of acrylic resin containing epoxy group,mainly used for outdoor weather resistant pure polyester powder coating matting.It is excellent in the gloss range below 5%. It has the characteristics of stable lustre and good adaptability of polyester.

G570 is suitable for gloss range below 5%,can produce excellent powder coating when couse with HAA.But in gloss range between 10-30%, G570/Polyester/HAA system has many dark lines and surface floral conditions. In view of this problem, we use X36 to improve the system and have some effect.

Matting test

4ET(TGICpolyester)

195

200

205

200

G570

45

40

35

40

L88

4

4

4

4

L307

2

2

2

2

Carbon Black

2

2

2

2

Matt Barium

144.5

143.5

142

140

X36

4

4

4

8

HAA

3.5

4.5

6

4

Gloss(%)

11/8

11/19

35/32

10/19

Surface

Smooth,slightly dark lines

Smooth,slightly dark lines

Smooth,slightly dark lines

Smooth,slightly dark lines

Impact

Both sides 50kg

Both sides 50kg

Both sides 50kg

Both sides 50kg

Conclusion: as shown by the results, the baking conditions and spraying thickness of the system have large effect to this system, and the uniformity of gloss is slightly worse.