NO.

Test items

Units

Technical

Requirements

 Test results

1

Appearance model

(0.8mm Iron plate)

Visual

The surface of silver white light, smooth and no piebald, gloss:40

 Meet the requirements

2

Drying temperature and time 200°C×30 min

min

30

30

3

Positive impact strength

Kg/cm

≥50

50

4

Viscosity:

(Paint Cup Viscometer 4#,

25°C measured)

S

≥35-38

37

5

Adhesion

Level

≤2

1

6

Pencil hardness

Level

≥HB

H

7

Density

Kg/L

1.02-1.08

1.08

8

Gasoline resistance (93# gasoline into 24h, 1h placed out after the observation )

24h

Coating does not blister, do not fall off

 Meet the requirements

9

Model 200°C after drying salt spray test (neutral, 35°C,5% salt content, continuous spray)

48h

(Coating thickness: 35um)

Coating does not blister, do not rust

 Meet the requirements

10

Furnace test:600°C×5h

Test panels to be sandblast-ed

Coating integrity is not sparkling, not falling, allows the slight discoloration

 Meet the requirements

11

Test plate  600°C×5h salt  spray test after high temperature (neutral, 35°C,5% salt content, continuous spray)

24h

(Coating thickness:30um)

Coating does not blister, do not rust

 Meet the requirements

12

End, finish matching salt spray test;(600°C×5h)

72h

(Coating thickness:50um)

Coating does not blister, do not rust

 Meet the requirements