fireproofworkwear
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1. Basic Specification
Gram weight: 250 g/m², standard medium-weight FR fabric widely used for industrial safety garments (jackets, trousers, bib overalls). Common raw blends: CVC / TC / Cotton-Nylon / Modacrylic-cotton based on customer requirement, mainly woven in twill or plain weave.
2. Two mainstream FR technical routes
Route 1: Durable after-finish (Cotton/CVC/TC series, Proban THPC cross-link treatment)
Flame retardant chemicals form stable chemical bonds inside cotton fibers. LOI ≥28, maintains qualified FR performance after ≥50 industrial washes. When exposed to open flame, cotton quickly carbonizes into dense insulating char layer to block oxygen and heat, enabling self-extinguishment after leaving fire source. Polyester component boosts tensile strength, anti-wrinkle and dimensional stability.
Route 2: Inherent FR fiber blend (Modacrylic / Aramid blend)
FR property comes from fiber molecular structure without extra chemical coating. FR function is permanent and never fades with repeated laundering; no molten dripping under high temperature.
3. Optional antistatic function
Grid conductive filaments are inserted into warp and weft for antistatic purpose. Surface resistance controlled between 10⁶~10¹¹ Ω, compliant with EN 1149-5 to eliminate static spark risk for petrochemical, combustible dust workshops.
4. Compliance Standards
- EN ISO 11611: protection against welding sparks and splashes
- EN ISO 11612: protection against radiant heat, flash fire and hot splashes
- EN 1149-5: mandatory antistatic standard for hazardous explosive sites
5. Product Advantages
- 250gsm medium weight balances wearing comfort and mechanical protection: lighter than 300–320gsm heavy canvas, less stuffy for long-hour daily work; thicker than lightweight fabrics to block welding spatter and hot debris effectively.
- Cost-effective for mass procurement, the most popular gram specification for regular FR industrial uniforms.
- Good cutting and tailoring performance, compatible with reflective tape printing for high-visibility safety clothing.
6. Disadvantages
Not suitable for heavy-duty close-range smelting or ultra-high temperature flame environment (needs ≥300gsm heavy FR fabric). After-finish FR types lose partial flame resistance after excessive repeated washing over 80–100 cycles.
Application Fields
General welding, machinery manufacturing, petrochemical plant, oil depot maintenance, light metallurgy, chemical warehouse patrol safety workwear.
Short sales slogan
250gsm Durable Flame Resistant Fabric for Industrial Workwear, CE certified EN11611 EN11612 EN1149-5
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