products
medium coal tar pitch-欧洲杯投注官网
product production：30thousands mt / year
producers：
jining chenguang coal chemical co.,ltd.
jining chenguang meibo chemical co.,ltd.
product production：30thousands mt / year
producers：
jining chenguang coal chemical co.,ltd.
jining chenguang meibo chemical co.,ltd.
product description：be used as binder for production of carbon electrode
product description：be used as binder for production of carbon electrode
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 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 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 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 | |
