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Graphite Soft Felt, Graphite Hard Felt and Other High-temperature Materials

Hongchang product families cover flexible carbon fiber felt, graphite felt, rigid composite felt, carbon cloth, carbon rope, graphite paper, battery felt, quartz crucibles and coating solutions for photovoltaic, semiconductor, vacuum furnace and energy applications.

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Browse Hongchang material families for high-temperature insulation, thermal field protection and energy equipment use.

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Ultra-Thick Viscose-Based Felt

Ultra-thick viscose-based felt has fewer fiber defects. Through controlled weaving, needle-punching and graphitization processes, it achieves low thermal conductivity, suitable density and good oxidation resistance.

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Carbon Cloth

Carbon cloth, also known as carbon fiber cloth or carbon fiber fabric, is woven from 1K, 3K, 6K or 12K carbon fiber tows. It offers high strength, low density and high-temperature resistance under vacuum or inert gas protection.

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Graphite Paper

Graphite paper is produced from high-carbon flake graphite through chemical treatment, high-temperature expansion and rolling. It has a silver-white metallic luster, high thermal conductivity, low expansion coefficient and excellent thermal shock resistance.

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Carbon Rope

Carbon rope is woven from carbon fiber and is also known as carbon fiber rope. It is a high-temperature-resistant material with excellent electrical conductivity. Common diameters include 0.5 mm, 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm and 10 mm, with cust…

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Viscose-based Long Fiber Mat

Viscose-based rigid composite felt features extremely low thermal conductivity and excellent thermal insulation performance. It withstands high temperature and ablation, has low ash content and high purity, and is suitable for demanding high-temperature ins…

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Selection Support for Thermal Insulation Materials

Share the application, furnace type, working temperature, thickness, width, purity and installation conditions. Hongchang can help match the suitable felt, composite insulation or carbon fiber material family.