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Modacrylic/Cotton/Anti-static
Tianjun
Anti-static Fire Retardant Modacrylic Cotton Interlock Fabric
Product Overview
The Anti-static Fire Retardant Modacrylic Cotton Interlock Fabric is a high-performance knitted textile engineered for safety protective garments requiring both flame resistance and static control. This fabric combines inherent flame retardant properties with permanent anti-static protection, all in a comfortable interlock construction.
Unlike traditional woven FR fabrics that are stiff and uncomfortable, this modacrylic cotton interlock knit offers the softness, breathability, and flexibility needed for all-day wear in demanding industrial environments. The fabric is designed for use in coveralls, work shirts, pants, base layers, and PPE for oil & gas, electrical utilities, welding, chemical processing, and mining applications.
Key Features
| Feature | Description |
|---|---|
Inherent Flame Retardant | FR property is built into the modacrylic fiber – will not wash out, wear away, or degrade over time. Self-extinguishing when flame source is removed. |
Permanent Anti-static | Conductive carbon fiber or synthetic anti-static yarns integrated into the knit structure. Provides continuous static discharge protection – critical for explosive environments. |
Modacrylic / Cotton Blend | Optimized ratio balances flame protection with cotton comfort, moisture absorption, and breathability. |
Interlock Knit Construction | Smooth surface on both sides – soft against skin. Excellent stretch recovery, dimensional stability, and pilling resistance. |
No Topical Treatment | Performance is fiber-intrinsic – no coating to crack, peel, or wash off. Consistent protection after repeated industrial laundering. |
No Melting / No Dripping | Modacrylic carbonizes when exposed to flame – does not melt and stick to skin like polyester or nylon. |
Breathable & Comfortable | Knit structure allows airflow – reduces heat stress during long work shifts. |
OEM Customization | Custom colors, roll widths, fabric weights, and anti-static yarn spacing available. |
Technical Specifications
| Parameter | Specification |
|---|---|
Fiber Composition | Modacrylic / Cotton / Anti-static |
Fabric Weight | 280-300 g/sm |
Width | 160-170 cm (finished open width) |
Construction | Interlock knit |
Anti-static Yarn Type | Carbon fiber conductive yarn (grid or stripe pattern available) |
Color Options | Navy blue, royal blue, khaki, orange, charcoal gray, black, OEM custom |
Finish | None – inherent FR & anti-static (no chemical treatment) |
Certifications & Standards
This fabric meets or exceeds international standards for flame resistance and anti-static protection:
Flame Retardant Standards
| Standard | Description |
|---|---|
NFPA 2112 | Standard on flame-resistant garments for flash fire |
EN ISO 11612 | Protective clothing against heat and flame |
ASTM D6413 | Standard test method for vertical flame resistance |
GB 8965.1 | China national standard for flame retardant protective clothing |
ISO 15025 | Limited flame spread test method |
Anti-static Standards
| Standard | Description |
|---|---|
EN 1149-3 | Electrostatic properties – charge decay test method |
GB 12014 | China national standard for anti-static workwear |
IEC 61340-5-1 | Electrostatic phenomena – protection of electronic devices |
✅ Third-party test reports available upon request.
Applications
| Industry | Recommended Garments |
|---|---|
Oil & Gas | FR anti-static coveralls, work shirts, pants |
Electrical Utilities | Arc flash protective clothing, base layers |
Welding | FR welding shirts and jackets |
Chemical Processing | Anti-static flame retardant uniforms |
Mining | Underground FR workwear |
Industrial Manufacturing | General FR anti-static uniforms |
Military & Firefighter | Base layers, station wear |
Why Interlock Knit?
Property | Interlock Knit (This Fabric) | Woven FR Fabric | |
Comfort | Soft, stretchable, breathable | Stiff, limited give | |
Against skin | Smooth on both sides | Rough, seam irritation | |
Breathability | Excellent | Moderate | |
Durability | Good abrasion resistance | Excellent | |
Best application | Shirts, base layers, polos | Coveralls, jackets, pants |
Permanent Anti-static – Why It Matters
In environments with flammable gases, vapors, or dust, static electricity is an ignition source. A single spark can cause an explosion or fire.
How this fabric works:
Conductive anti-static yarns (carbon fiber) are integrated into the knit structure
These yarns create a continuous discharge path for static electricity
Static charge dissipates safely – no spark buildup
Permanent protection – does not wash out or wear off
⚡ Compatible with grounding systems used in hazardous area workwear.
Comfort Features – Designed for Long Shifts
Industrial workers often wear protective garments for 10–12 hours per day. This fabric is engineered for comfort:
| Comfort Feature | Benefit |
|---|---|
Soft hand feel | No scratchiness or skin irritation |
Breathable knit | Reduces heat stress in hot environments |
Moisture absorption | Cotton content wicks sweat, keeps skin dry |
Flexible stretch | Allows full range of motion – bending, reaching, climbing |
Lightweight | Reduces fatigue compared to heavy woven fabrics |
Non-binding | Interlock construction moves with the body |
No Melt / No Drip – Critical Safety Feature
| Fiber Type | Behavior in Flame | Skin Burn Risk |
|---|---|---|
Modacrylic (this fabric) | Carbonizes, forms char layer | Low – does not stick to skin |
Cotton | Burns to ash | Low – ash falls away |
Polyester | Melts, drips, shrinks | High – molten plastic sticks to skin |
Nylon | Melts, drips | High – molten plastic sticks to skin |
�� NFPA standards prohibit meltable fibers in FR garments. This modacrylic cotton fabric complies.
Why Choose This Fabric?
| Reason | Benefit |
|---|---|
Direct manufacturer | No middleman – better pricing and quality control |
Inherent FR | Permanent flame protection – no coating to wash off |
Permanent anti-static | Conductive threads – reliable static protection |
Soft & comfortable | Workers will actually wear it – higher compliance |
No melt / no drip | Critical safety feature |
OEM friendly | Custom colors, weights, widths |
Flexible MOQ | Support small trials and large wholesale orders |
