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Test Report (1)

Table 1: Latex spec.

Item
296D
AS-398
BC-139

Solid Content(%)

Solid Content (%)
48±1
48±1
pH-value
7.5~9.0
7.0~9.0
7.5~9.5
Viscosity (cps)
3000~5000
400~1200
3500~5500

Table 2: coating formula

Raw materials
Quantity

water

140
ethylene glycol
25
dispersant
10
wetting agent
3
defoamer
2
bactericide
1
titanium pigment
105
aluminium silicate
50
ground calcium carbonate
55
French chalk
80
light calcium carbonate
130
hydroxyethylcellulose (2%)
60
296D (latex)
AS-398 (latex)
BC-139 (latex)
320
320
320
film-forming aid
15
defoamer
2.5
bactericide
1
AMP-95 (multifunctional aid)
1
thickener
right amount

Table 3: test result

Item
296D
AS-398
BC-139

Scub-resistance times

15000
15000
15000
Contrast ratio
87%
87.21%
87%
Waters resistance
qualified
qualified
qualified
Alkali resistance
qualified
qualified
qualified

Note: test conditions: temp.: 23; humidity: 40%

 

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