Physical data
Appearance: white, monoclinic crystal
Temperature (° C): > 300 (sublimation)
Boilingpoint (° C): 127.4 [3]
Relative density (water = 1): 1.573
Relative vapor density (air = 1): 4.34
Full Gas Pressure (kPa, 20 ° C): 6.66
Solubility: insoluble in cold water, soluble in hot water, slightly soluble in ethylene glycol, glycerin, ethanol, insoluble in ether, benzene,
Storage method
Storage Precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat. It should be stored separately from oxidants and acids, and should not be mixed. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.
Packing Specifications
A) Double layer packaging: the outer packaging uses the GB / T8946-2013 provisions of the B plastic bag; The inner packing adopts polyethylene plastic film bag, film bag tie, woven bag seam. Net weight of each bag is 25 kg + 0.1 kg, 40 kg ± 0.2 kg.
B) Flexible freight container packing: The size, performance and inspection method of flexible freight container should conform to the relevant provisions of GB / T10454. The net weight of each bag is 250 GB / T10454 GB / T kg+0.5 kg,500 kg+1.0kg,1000kg+2.0 kg.
Or in compliance with safety requirements, according to the requirements of the user packaging.
Quality standard
Monthly item
Appearance
Melamin, w /%
Water, w /% lack
PH
Ash, w /%
Color / azen units (Pt-Co color number) ≤
Turbidities (kaolin), / deg.
Standard requirements
Superior product
Qualified products
White or light yellow solid powder, no visible impurities
99.5
0.1
99.0
0.2
7.5~~9.5
0.0S
it
20
0.05
30
30
The product inspection is carried out according to GB / T 9567-2016.
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