Melamine
|
Melamine
|
Premium
|
Excellent 1
|
Excellent 2
|
First class
|
|
NO.
|
1+
|
01
|
02
|
03
|
|
Appearance
|
White powder with small impurities
|
White powder with more impurities
|
White powder with a lot of impurities
|
White powder with a lot of impurities
|
|
Purity%
|
≥99.8
|
≥99.8
|
≥99.8
|
≥99.0
|
|
Moisture
|
≤0.1
|
≤0.1
|
≤0.1
|
≤0.2
|
|
PH value
|
7.5-9.5
|
7.5-9.5
|
7.5-9.5
|
7.5-9.5
|
|
Ash
|
≤0.03
|
≤0.03
|
≤0.03
|
≤0.05
|
|
Haze degree
|
≤10
|
≤20
|
≤20
|
≤30
|
|
Color degree
|
≤10
|
≤20 or bluish and greenish
|
≤20 or bluish and greenish
|
≤30 or bluish and greenish
|
Specifications
|
item
|
value
|
|
CAS No.
|
108-78-1
|
|
Other Names
|
Melamine
|
|
MF
|
C3N6H6
|
|
Place of Origin
|
China
|
|
Grade Standard
|
Industrial Grade
|
|
Purity
|
99.8%min
|
|
Appearance
|
White Powder
|
|
Application
|
Industrial use
|
|
Moisture
|
0.03%
|
|
Ph Value
|
8.02
|
|
Ash Content
|
0.01
|
|
Haze(bolus alba)Degree
|
20
|
|
Colour (APHA)
|
10
|
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