GB Modified Coal Tar Pitch

National Standard Modified Coal Tar Pitch No. 1

Softening point 105-115°

Ash content: ≤0.3%

Toluene insoluble matter: 26-32%

Quinoline insoluble matter: 6-14%

Coking value: ≥55%

Fixed carbon ≥45%

Volatile matter 50-60%

Product form: Granular, lump

National Standard Modified Coal Tar Pitch No. 2

Softening point 105-120°

Ash content ≤0.3%

Toluene insoluble matter 25-35%

Quinoline insoluble matter 20-30%

Coking value ≥54%

Fixed carbon ≥42%

Volatile matter 50-60%

Moisture content ≤3%

Characteristics and Applications of National Standard Modified Coal Tar Pitch

The characteristics of modified coal tar pitch include high-temperature stability, low-temperature stability, aging resistance, environmental performance, and a wide range of application fields.

Modified coal tar pitch is a type of asphalt material with multiple excellent properties, mainly reflected in the following aspects:

1. High-temperature stability: Modified coal tar pitch has a high softening point, maintaining good stability at high temperatures without softening or deformation.

2. Low-temperature stability: In low-temperature environments, modified coal tar pitch does not easily solidify and maintains good fluidity, making it suitable for processing and construction in cold conditions.

3. Aging resistance: Modified coal tar pitch has good chemical stability, resisting oxidation and aging, and can maintain its performance and service life for extended periods.

4. Environmental performance: During production and use, modified coal tar pitch generates less pollution compared to traditional asphalt, making it more environmentally friendly.

5. Wide range of applications: Modified coal tar pitch can be widely used in waterproof membranes, waterproof coatings, anticorrosive coatings, and other fields, with promising application prospects.

The applications of modified coal tar pitch are extensive, primarily including:

1. Construction materials field: Used in waterproof coatings, road paving, insulation materials, etc., to enhance the waterproofing, wear resistance, and thermal insulation properties of buildings.

2. Chemical industry: Used in the production of carbon black, electrode materials, catalyst carriers, etc., widely applied in rubber, ink, batteries, capacitors, and other electronic devices.

3. Environmental protection field: Used in wastewater treatment, soil remediation, etc., to achieve wastewater purification and soil ecological restoration.