Basic Knowledge about Fire Suits

Firefighting suits, as a core component of firefighters' personal protective equipment (PPE), are a crucial barrier against the complex hazards of fire scenes. They are precisely categorized according to rescue scenarios, with each model offering differentiated coverage in terms of protective performance and applicable scenarios.

Among these, firefighting protective suits are basic equipment for conventional firefighting. They typically employ a two-piece design, consisting of a four-layer composite structure: an outer layer, a waterproof and breathable layer, a thermal insulation layer, and a comfort layer. The outer layer commonly uses aramid 1313 flame-retardant fabric, possessing characteristics such as non-melting, non-combustibility, and maintaining structural integrity after carbonization. The middle layer uses a PTFE microporous membrane, achieving both waterproof and breathable functionality, isolating moisture from the fire scene while allowing sweat to escape. The inner layer uses breathable knitted fabric to enhance comfort during extended wear, making it suitable for conventional firefighting scenarios such as building fires and forest fires.

Fire-resistant suits are high-level protective equipment, primarily designed for extreme scenarios such as short-term traversal of fire zones and close contact with flames. They are typically made of a composite fabric of aramid 1414 and ceramic fibers, with a heat resistance limit of 800-1000℃, effectively blocking radiant and convective heat. Their design emphasizes airtight protection, and they are paired with heat-resistant hoods, gloves, and boots. During use, they must be used with a water hose for continuous cooling, and the duration of contact must be strictly limited to no more than 30 seconds. Working inside fire zones is strictly prohibited.

Rescue suits, on the other hand, prioritize multi-functionality and versatility. They forgo heavy insulation layers, using high-strength flame-retardant polyester fabric, and are scratch-resistant, abrasion-resistant, and tear-resistant. Their lightweight and flexible design facilitates non-firefighting rescue tasks such as demolition, rope rescue, and the transfer of trapped personnel. Some models also feature reflective markings to improve visibility in complex environments.