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The product complies with Coking Naphthalene Standard
GB/T6699-1998
Quality Standards of refined naphthalene:
| Item |
Standard |
| Excellent |
Grade
1 |
Qualified |
| Appearance |
Melt products
or powder or flake crystal |
| Color |
White |
White,
reddish or yellowish is permitted |
Crystallization Point, 
not less than |
79.8 |
79.6 |
79.3 |
| Non-volatile matter, % not more than |
- |
0.01 |
0.02 |
| Ash, % not more than |
- |
0.006 |
0.008 |
| Acid pickling color comparions Colorimetric
Solution not deeper than |
No.2 |
No.4 |
- |
Uses: used for making dye intermediates like 1-Hydroxy
naphthalene and 2-Hydroxy naphthalene, plasticizer,
synthetic resin, surfactants, etc..
Packing: woven bag lined with plastic one 50kg. Liquid
refined naphthalene can be delivered in the tank wagon
of automobiles.
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