The "invisible shield" of green industry: revealing the multi-dimensional applic

09 - Apr - 2025

I. What is dusty asbestos rope?

Dusty asbestos rope is a rope-shaped thermal insulation material made of asbestos fiber as the main raw material through weaving or twisting process. The "dusty" in its name comes from the fact that the dust on the surface of the asbestos fiber is not completely removed during the production process, which is different from dust-free asbestos rope. This type of product usually takes asbestos wire as the core, and the outer layer may be wrapped with metal wire (such as copper wire, nickel wire or stainless steel wire) to enhance the mechanical strength. The temperature range can reach 300℃ to 550℃, and even higher-specification products can withstand high temperatures above 1500℃115. Its typical characteristics include high thermal insulation, fire resistance and economy, and it is one of the classic materials widely used in the industrial field.

II. Core use: "all-rounder" in industrial scenes

Thermal equipment insulation and sealing

Dusty asbestos rope is widely used in thermal insulation of equipment such as boilers, air bags, and heat conduction systems. It can effectively reduce heat loss and prevent high-temperature components from direct contact and cause safety accidents. For example, it is often used as a lining material in high-temperature furnaces in steel plants and reaction devices in chemical plants.

Fire and corrosion protection

Due to its high temperature and corrosion resistance, it is used as a protective layer for electric welding sparks, a sealing material for acid and alkali resistant equipment, and a protective barrier for special scenarios such as electrolytic cell diaphragms.

Customized industrial accessories

It can be processed into packing, lightning protection grounding rope, etc., serving in the fields of mechanical seals, lightning protection systems, etc. For example, 16*16 asbestos packing is often used for sealing pipe interfaces.


Dusty asbestos rope  Dusty asbestos rope


III. Advantage analysis: Why has it become an industrial "rigid need"?

Extreme heat resistance

The thermal conductivity of asbestos fiber is as low as 0.104~0.260 kcal/m•degree•hour, and it can still maintain structural stability at high temperatures of 800℃~1000℃. Some products can even withstand short-term high temperatures of 1700℃, far exceeding ordinary insulation materials.

Economical and easy to use

Compared with dust-free asbestos rope, the dusty type has lower cost due to simplified process, starting at only 10 yuan per kilogram, and supports customized specifications on demand (such as diameter 3mm to 160mm), which greatly reduces the project budget.

Multifunctional adaptability

It can be made into various forms such as round rope, square rope, twisted rope, etc., and is compatible with metal wire reinforcement design to meet the installation needs of different equipment. For example, asbestos loose rope wraps the asbestos wool core with a diamond mesh outer skin, which has both flexibility and thermal insulation.

Environmental protection and safety upgrade

Although traditional asbestos has health disputes, modern dusty asbestos rope reduces dust release by optimizing fiber ratio (such as adding organic/inorganic fibers), and at the same time passes ISO quality certification to ensure safety standards.

IV. Industry dynamics: future trends driven by innovation

With the deepening of the concept of green manufacturing, dusty asbestos rope is upgrading in the direction of "high performance + low risk". For example, many companies in Langfang, Hebei have launched composite fiber reinforced products, combined with new materials such as graphite and aramid, to further expand its application scenarios in new energy, aerospace and other fields.

Conclusion

Although dusty asbestos rope is "low-key" but indispensable, it continues to protect industrial safety with high cost performance and excellent performance. In the future, the integration of technological innovation and environmental protection standards will inject more lasting vitality into it.

Contact Us

WEITENGROUP is a first-class manufacturer and supplier of high-performance sealing and insulation products and a leading manufacturer of dusty asbestos rope in China. We provide a wide range of dusty asbestos rope with excellent quality. For more detailed information about dusty asbestos rope, please contact us at export@weitengroup.com or call +86 - 13370996824.