Industry 99.8%min Melamine Formaldehyde Powder for manufacturing melaminoformal dehyde resin
Quick Detail:
1, Name: melamine powder
2, Appearance: white crystal powder
3, make a test about half an hour
4, purity: 99.8%min
Description:
|
top-quality |
first -class |
|
melamine content: |
99.93-99.96% 99.0%min |
|
moisture content : |
0.1% max 0.2max |
|
ash content |
0.03%max 0.05%max |
|
ph-value |
8.3 |
|
formaldehyde solubility |
20max 30max |
|
china-clay turbidity degree |
20max 30max |
Applications:
Melamine is mainly used for manufacturing melaminoformal dehyde resin, which is well water, heat and arc resistant and bright. It can also be used in decorative laminates, aminoplastics, adhesive agents, coatings and used as a paper reinforcing agent, textile auxiliaries, cement water-reducing agent and leather retaining agent.
Specifications:
(1) apperance : fine ,white crystalline powder ,wontoxic ,odorless
(2) boiling point : >250 (sublimes )
(3) melting point : 354(dcomposes)
(4) specific gravity : 1.573(20°c)
(5) vapor pressure : 50mmhg (315°c)
(6) vapor density : 4.34(air=1.0)
(7) heat of combustion : 468.9kcal/mole
(8) bulk density : 50-55bs/ft3
Speciification:(executive standard:GB/T9567-1997)
|
Item |
Standard |
Unit |
Text results |
|
Purity%≥ |
99.8 |
% |
99.86 |
|
Moisture %≤ |
0.1 |
% |
0.07 |
|
PH value |
7.5-9.5 |
/ |
8.03 |
|
Ash content ≤ |
0.03 |
% |
0.03 |
|
Turbidity degree ≤ |
20 |
Kaolin turbidity |
20 |
|
Colority ≤ |
20 |
(PT-Co) |
20 |
