Coal Tar

We are offering coal tar.
Specifications high tempreture coal tar
1.sulfur content:less than 0,5 %
2.quinoline insoluble content :4,5 to 5,0 %
specifications
high tempreture coal tar
1.sulfur content:less than 0,5 %
2.quinoline insoluble content :4,5 to 5,0 %
product description
coal tar is a kind of black sticky liquid, and getting from carbon which is being destructive distillation through cutting-off air and enhancing thermal, meantime. Through high temperature carbonization can get high temperature coal tar, on the contrary, it can get low temperature coal tar by low temperature carbonization. We provide high temperature coal tar.
--------------------------------------------------------------------------------------------------------
physichochemical property
coal tar has special distinctive odour. Its relative density is 1.18~1.23 and the open flash point is at 200°c, and slightly dissolvie in water and soluble in organic solvent, such as benzene,alcohol, aether, chloroform, acetone etc. Its fume and air can become explosion mixture , meanwhile, if meeting clear fire, high hot that will have a combustion explosion danger , reacting violently with oxidizer.
--------------------------------------------------------------------------------------------------------
technical data
item
first grade standard
second grade standard
test standard
moisture, %, ≤
4.0
4.2
2.0 – 3.0
ash, % , ≤
0.13
0.13
0,07 – 0,1
toluene insoluble content, %
3.5-7.0
≤9.0
7,5 – 8,0
density under 20°c, g/cm3
1.15-1.12
1.13-1.22
1,185 – 1,190
naphthalenecontent , %
8.0
7.0
not less than 9.0.