melamine manufacture in China
Nantong Zixin Industry Co.,Ltd [China] 
- Physical/Chemical Data
Apperance Fine, White crystalline powder, nontoxictic, odorless
Boiling Point > 250℃(Sublimes)
Melting Point 354℃(decomposes)
Specific Gravity 1.573(20℃)
Vapor Pressure 50mmHg(315℃)
Vapor Density 4.34(air=1.0)
Heat of Combustion 468.9Kcal/mole
Bulk Density 50-55bs/ft3
Boiling Point > 250℃(Sublimes)
Melting Point 354℃(decomposes)
Specific Gravity 1.573(20℃)
Vapor Pressure 50mmHg(315℃)
Vapor Density 4.34(air=1.0)
Heat of Combustion 468.9Kcal/mole
Bulk Density 50-55bs/ft3
- Quality Specifications:GB/T9567-1997
|
Name
|
Top-quality
|
First-class
|
|
Melamine Content %≥
|
99.8
|
99.0
|
|
Moisture Content %≤
|
0.1
|
0.2
|
|
Ash Content %≤
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0.03
|
0.05
|
|
PH-Value
|
7.5-9.5
|
|
|
Colour(Pt-C0) through the test or
|
|
|
|
Formaldehyde solubility ≤
|
20
|
30
|
|
China-clay turbidlity degree ≤
|
20
|
30
|
