Yindun Color Preserving Exterior Wall Paint

Serial

Number

Test  Item

Technical

Index

Testing

Result

1

State in a container

There is no hard lump, and it is in a uniform state after mixing

There is no hard lump, and it is in a uniform state after mixing

2

Application property

Brush the second without obstacle

Brush the second without obstacle

3

Low temperature stability

Never degenerating

Never degenerating

4

Film appearance

Normal

White, normal

5

Drying time(surface dry) /h

≤2

1

6

Ratio (white and light)

≥0.87

≥0.90

≥0.93

0.92

7

Stain resistance
(White and light colors) /%

≤20

≤15

≤15

 6

8

Washable resistance
(2000 times)

The paint film is intact

Wash 2000 times, the paint film is not damaged

9

Alkali resistance (48h)

No abnormalities

No abnormalities

10

Water resistance (96h)

No abnormalities

No abnormalities

11

Coating resistance to temperature change
(3 cycles)

No abnormalities

No abnormalities

12

Resistance to artificial weathering

Ageing time

250h

400h

600h

250h no foaming, no peeling, no crack, powder 0 grade, color change 0 grade

Powder/grade

No bubbles, no flaking,

 no cracks

Discoloration (white and light)/ grade

≤1

≤2

13

Remarks

Aging test conditions: Blackboard temperature (BPT) :(63±2)℃; Relative humidity: 40%~60%; Irradiance: 0.51W/㎡ at 340nm;Sample wetting cycle: 18min/102min(wetting time/drying time)

Serial

Number

Test  Item

Technical Specifications

(finish)

Testing

Result

14

Volatile organic compounds content
(VOC) g/L

≤120

30

 15

Benzene, toluene, ethylbenzene, xylene total mg/kg

 ≤50

 Not detected

16

Free formaldehyde

mg/kg

≤100

Not detected

17

Leachable lead PB

≤90

0

18

Soluble cadmium CD

 ≤75

Not detected

 (< 0.2)

19

Soluble chromium CR

 ≤60

Not detected

 (< 1.4)

 20

 Soluble mercury HG

≤60

Not detected

 (< 0.03)

 21

 Dilution Rate

 Add 5-15% water and stir thoroughly

22

Construction Method

 Spray,brush,roll paint(twice)

 23

Dosage Test

Each square twice finished product dosage 0.25-0.35kg, Wall flatness and water absorption and color affect the dosage.

 24

 Storage Way

5-40℃ ventilation storage for 24 months, overtime state viscous uniform can be used normally