products
refined naphthalene-欧洲杯投注官网
production capacity：5 thousand mt / year
producers：
jining chenguang ject coal chemical co.,ltd.
jining chenguang meibo chemical co.,ltd.
production capacity：5 thousand mt / year
producers：
jining chenguang ject coal chemical co.,ltd.
jining chenguang meibo chemical co.,ltd.
production description：mainly used as raw material for production of h acid of dye intermediates, can also be used as raw material for production of α naphthol ,β naphthol as well as plasticizer, synthetic resin and synthetic surfactant.
production description：mainly used as raw material for production of h acid of dye intermediates, can also be used as raw material for production of α naphthol ,β naphthol as well as plasticizer, synthetic resin and synthetic surfactant.
production description：mainly used as raw material for production of h acid of dye intermediates, can also be used as raw material for production of α naphthol ,β naphthol as well as plasticizer, synthetic resin and synthetic surfactant.
coal chemical products
| physical chemical specification of medium temperature coal tar pitch | |||
| specification | unit | first grade | second grade |
| softening point(ring ball) | ℃ | 80~90 | 75~95 |
| toluene insoluble | % | 15~25 | ≤25 |
| quinoline insoluble | % | 6~10 | 6~15 |
| b-resine content | % | - | - |
| coking value | % | - | - |
| ash | % | 0.3 | 0.3 |
| moisture | % | 5 | 5 |
| physical & chemical specification of refined naphthalene | |||
| specification | high-class product | first grade product | qualified product |
| appearance |
熔融产品或粉状、片状结晶 |
||
| color | white | whit, tiny red or tiny yellow allowed | |
| crystallization point not less than | 79.8 | 79.6 | 79.3 |
| nonvolatile matter not more than | - | 0.01 | 0.02 |
| ash not more than | - | 0.006 | 0.008 |
| acid-washing colorimetric | no.2 | no.4 | - |
| physical &chemical specification of modified coal tar pitch | |||
| specification | unit | first grade | second grade |
| softening point(ring ball) | ℃ | 100~115 | 100~120 |
| toluene insoluble | % | 28~34 | >26 |
| quinoline insoluble | % | 8~14 | 6~15 |
| b-resine content | % | 18 | 16 |
| coking value | % | 54 | 50 |
| ash | % | 0.3 | 0.3 |
| moisture | % | 5 | 5 |
| physical & chemical specification of anthracene oil | ||
| specification | unit | first grade product |
| distillation range | kpa | 101.325 |
| distill off 15% | allowed | 300 not less than |
| distill off | allowed | 360 not more than |
| moisture | % | 1.0 not more than |
| physical & chemical specification of wash oil | ||
| specification | nuit | first grade product |
| density | g/ml | 1.03-1.06 |
| distillation range | kpa | 101.325 |
| initial boiling point | ℃ | 230 not less than |
| distill off before 300℃ (allowed) | % | 90 not less than |
| phenol content(allowed) | % | 0.5 not more than |
| naphthalene content | % | 15 note more than |
| moisture | % | 1.0 not more than |
| viscosity | (e50) | 1.5 not more than |
| crystallized matter | no | |
| ph value | 6-8 | |
| physical & chemical specification of crue anthracene | ||
| specification | unit | first grade product |
| phenol & homologous content | % | 83 not less than |
| distillation range before 210℃ | % | 60 not less than |
| distillation range before 210℃ | % | 85 not less than |
| neutral oil | % | 0.8 not more than |
| pyridine base | % | 0.5 not more than |
| ignition residue | % | 0.4 not more than |
| moisture | % | 1.0 not more than |
| ph value | 6-8 | |
