Fire-resistant wrapping for chemical plant pipelines, polyimide fire-resistant fabric, corrosion-resistant and explosion-proof
Apr 29,2025
Polyimide flame-retardant cloth fire protection wrapping for chemical plant pipelines
In the chemical production environment, the pipeline system is like the "vascular network" of the factory, responsible for transporting various high-risk media. However, these pipelines often face a double threat: long-term corrosion by corrosive media and the deadly risk of sudden explosions and combustion. Traditional protection schemes such as asbestos wrapping or metal sheaths can no longer meet the safety requirements of modern chemical engineering, while polyimide non-woven fabric fire protection wrapping is bringing revolutionary safety upgrades to the industry with its unique material advantages.
Why choose polyimide non-woven fabric?
Polyimide non-woven fabric is a three-dimensional network structure material made through a special spinning process. Its excellent performance comes from careful design at the molecular level:
Inherent flame retardant properties: It forms a dense carbonized layer at high temperatures, achieving self-extinguishing after removing the flame, and is impact-resistant;
Excellent chemical stability: It can withstand an environment with a pH value of 1-14. The polyimide's aromatic heterocyclic structure is inert to most acids, bases, and organic solvents;
Excellent thermal stability: Long-term use temperature range -196℃～+260℃.
Typical application scenarios and installation schemes
Priority coverage in high-risk areas
Hydrogen pipelines: Prevent ignition by static sparks (surface resistance 10⁸Ω, meets ATEX explosion-proof standards);
Benzene-containing media pipelines: Block leaked vapor from contacting open flames;
Pipelines passing through firewalls: Ensure the integrity of fire compartments.
Modular installation process
Pre-fabricated: Customized "open sleeves" according to pipe size, rapid on-site coupling (saves 50% working hours compared to traditional wrapping);
Seam treatment: Uses high-temperature silicone sealant tape to ensure the airtightness of the wrapping layer;
Inspection compatibility: Designed with removable windows, allowing for pipe inspection without destroying the overall structure.
Polyimide fire wrapping is not a simple "replacement", but reconstructs the protection logic through materials science—from passive fire resistance to active isolation, from short-term protection to reliable life cycle.
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