hard pitch,asphalt,coal tar pitch

Product Overview

Description

1. High temperature coal tar pitch specification GB/T 2290-1994
Index
Medium temp coal tar pitch
High temp

Used in Electrode
General Industrials
Test method
Moisture(105± 2° C, 2h)% ≤
5.0
5.0
5.0
Ash(800± 10° C, 4h)% ≤
0.3
0.5
Softening point ° C (gt)
75.0-90.0
75.0-95.0
95.0-120.0
Quinoline insoluble%≤ 10
Toluene insoluble %
15-25
Less than25
Volatie Content %
60.0-70.0
55.0-75.0
2. Characters
Physical and chemical properties: Room temperature brittle lumps black, shiny: Smell toxic
3. Application:
Coal tar pitch is used as binders of paving, waterproof, asphalt felt, coating and refractory material.