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From barbecue grills to rocket engines: The cross-border legend of pre-oxygenated silk thermal insulation

Jun 27,2025

From barbecue grills to rocket engines: The cross-border legend of pre-oxygenated silk thermal insulation

Pre-oxidized fiber fire-resistant cotton is flame-retardant, fire-resistant, and high-temperature resistant, with low thermal conductivity and heat-insulating properties. It has a low carbon content and is insulating. It is skin-friendly, non-irritating, highly spinnable, soft, and easy to fold. It has a water repellency rate of 98%. It is an environmentally friendly material, commonly used in the seat linings of high-speed trains and ships.

 

Pre-oxidized fiber applications in barbecue grills

Pre-oxidized fiber has low density and high strength, making it lightweight, durable, flame-retardant, and fire-resistant.

When picnicking outdoors, bring a piece of pre-oxidized fiber fire-resistant cotton to place under the barbecue grill or under the stove for a tea-making stove. This effectively prevents flying sparks from damaging the table and grass.

 

Pre-oxidized fiber applications in copper pipe welding

When repairing air conditioner and refrigerator copper pipes, welding is usually required. However, welding sparks can easily cause fire hazards, and welding can easily blacken the ground and walls, affecting aesthetics. Bringing a fire-resistant cotton pad under the welding area can effectively prevent sparks from splashing, providing flame retardancy and fire resistance for safe operation.

 

Pre-oxidized fiber applications in oven sealing

Pre-oxidized fiber carbonizes at high temperatures to form a dense heat-insulating layer, which can prevent heat loss in barbecue grills.

Pre-oxidized fiber sealing strips are easy to paste, have strong adhesion, and strong sealing performance.

 

Pre-oxidized fiber applications in rocket engines

According to online news reports, domestic and foreign rocket engines use pre-oxidized fiber as a material to coat high-temperature components (such as combustion chambers and nozzles), isolating them from the impact of gases above 3500℃ and extending the life of the components. Pre-oxidized fiber composite materials can withstand extreme oxidizing environments and reduce engine maintenance costs.

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