High Purity Impregnating Asphalt

element：Carbon
purity：Ash content ≤500 ppm, Toluene insolubles ≥18%, Quinoline insolubles ≤0.5%
shape：Liquid
specification：Softening point 85-90°C, Coking value ≥48%
packaging：Standard packaging

High-purity impregnating asphalt is a specialized carbon-based material used for industrial applications requiring excellent thermal stability, chemical resistance, and optimized impregnation properties. Manufactured from refined bitumen with controlled purity levels, it ensures superior bonding strength, minimal volatile emissions, and enhanced structural reinforcement. This material is widely used in graphite electrode production, carbon composite manufacturing, refractory materials, and metallurgical processing, ensuring reliable performance under extreme conditions.

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产品描述
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Product Overview
High Purity Impregnating Asphalt is a premium material used to enhance the densification of graphite electrodes, C/C composite materials, and carbon fibers. By strictly controlling physical and chemical properties such as softening point, coking value, and insoluble content, this asphalt ensures excellent impregnation performance. It significantly reduces the specific resistance and increases the structural strength of the materials. This asphalt is particularly suitable for the production of large-size, high-power, and ultra-high-power graphite electrodes, and is also widely used in the impregnation of other carbon materials.

Key Features

High Softening Point (85-90°C): Ensures excellent processing performance.
Low Ash Content (≤500 ppm): Increases product purity.
High Coking Value (≥48%): Enhances material densification and stability.
High Toluene Insoluble Content (≥18%): Improves impregnation effect.
Low Quinoline Insoluble Content (≤0.5%): Ensures material purity.

Applications

Graphite Electrode Impregnation: Improves densification and reduces specific resistance.
C/C Composite Materials and Carbon Fiber Impregnation: Enhances strength and durability.
Needle Coke and General-Grade Carbon Fiber: Used as a high-quality impregnating asphalt material.