Mainly as intermediates for manufacturing dye, leather, wood protection agents,reduce public environment odor,or used to produce mothball
Parameters
|
NO
|
Item
|
Premium grade
|
High-class product
|
Conforming article
|
|
1
|
Naphthalin content%
|
99%(above)
|
||
|
2
|
Colour
|
White, reddish or yellowish powder, flake
|
||
|
3
|
crystallization point ℃-(less than)
|
79.6
|
79.3
|
79.3
|
|
4
|
Nonvolatile % (less than)
|
0.02
|
0.02
|
0.02
|
|
5
|
Ash content % (less than)
|
0.006
|
0.006
|
0.008
|
|
6
|
Package
|
50±0.5KG/bag(coextruded film +weave bag) |
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