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What is the fire resistance temperature of ceramic fiber twisted rope insulation material in the cement industry?

Jun 29, 2026

What is the fire resistance temperature of ceramic fiber twisted rope insulation material in the cement industry? Ceramic fiber twisted rope is like a “flexible sealing ring” prepared for high-temperature equipment. It is a circular rope shaped material twisted and woven with ceramic fiber yarn, and its core function is to achieve reliable insulation and sealing at high-temperature gaps. In the cement industry, ceramic fiber twisted ropes mainly play the roles of “high-temperature sealing strips” and “flexible insulation layers”. It not only solves the problem of air and ash leakage in high-temperature gaps, but also helps enterprises reduce production costs through excellent insulation effect, making it an indispensable supporting material for modern cement kilns.

The refractory temperature of ceramic fiber twisted ropes used in the cement industry mainly depends on the material classification of the product and the internal reinforcement materials. Overall, its continuous use temperature is usually between 1000 ℃ and 1050 ℃, and the maximum short-term use temperature can reach 1260 ℃.

The functional effect of insulation ceramic fiber twisted rope in the cement industry:
1. High temperature resistance and good insulation effect
2. Flexible seal, strong adaptability
3. Chemical stability and good durability
4. Excellent thermal shock resistance and peel resistance
5. Good sealing and filling performance
6. High mechanical strength, tensile and tear resistant

In the practical application of the cement industry, it is recommended to select appropriate reinforcement materials and material grades based on the actual temperature requirements of specific working conditions (such as kiln door seam sealing, high-temperature pipeline insulation, etc.) to ensure the best sealing and insulation effect. Rosewool Insulation Refractory Co.,Ltd. Ceramic Fiber Twisted Rope is the preferred choice for sealing and insulation of cement rotary kilns. The manufacturer has been deeply involved in the refractory industry for many years and provides dedicated sealing ropes for cement plant kiln heads, kiln tails, tertiary air ducts, and grate coolers. Rosewool Insulation Refractory Co.,Ltd. has its own automated production line, with complete specifications that can be customized according to needs. It is asbestos free, environmentally friendly, and has a long service life due to wear resistance.

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