|
Index name |
Value |
|
Appearance |
white crystalline powder |
|
Assay % ≥ |
99.5 |
|
Moisture % ≤ |
0.10 |
|
Ash % ≤ |
0.03 |
|
Ca ppm ≤ |
20 |
|
Melting point （terminal point）℃ |
209 — 212 |
|
Test of insoluble matter |
OK |
|
Fineness， Residue on 350um(40mesh)
screen % ≤ |
10 |
Molecular formula ： C H N
Properties： dicyandiamide is white
crystalline powder without hydrate, bitter , the MP is 207 —
212 ℃, decomposed if the temp. exceeds Mp. It can be dissolved
in water, Hcl, ethanol and DMP, insoluble in Ether, benzen,
chlorform andcarbon bisulfide. Its solution is neutral .
Uses：electronic grade dicyandiamide can
be used as curing agent , adhesive, the material of electronic
package, the material for surface package technology, it also
can be used as the material of top-grade coating and medicine.
|
