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Modacrylic/Cotton/Anti-static
Tianjun
Flame Retardant Anti-static Modacrylic Cotton Interlock Fabric for Oil & Gas Industry
Product Overview
The Flame Retardant Anti-static Modacrylic Cotton Interlock Fabric is specifically engineered for the oil and gas industry, where workers face dual hazards: flash fire and static electricity. This high-performance knitted fabric combines inherent flame resistance 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 that oilfield workers need for 12-hour shifts. The fabric is designed for use in coveralls, work shirts, pants, and liners for onshore drilling, offshore platforms, refineries, and gas processing plants.
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 or synthetic anti-static yarns integrated during knitting. Prevents static charge accumulation – critical for explosive environments like oil & gas facilities. |
Modacrylic / Cotton Blend | Optimized ratio balances flame protection with cotton comfort and moisture absorption. |
Interlock Knit Construction | Soft hand feel, excellent stretch recovery, dimensional stability, and superior breathability compared to woven FR fabrics. |
No Topical Treatment | Performance is fiber-intrinsic – no coating to crack, peel, or wash off. Consistent protection after 50+ industrial launderings. |
Comfortable for Long Hours | Lightweight, flexible, and non-irritating – designed for 12-hour shifts in hot or humid conditions. |
OEM Customization | Custom colors (including industry-standard navy, khaki, orange), roll widths, fabric weights, and anti-static yarn spacing. |
Technical Specifications
| Parameter | Specification |
|---|---|
Fiber Composition | Modacrylic / Cotton / Anti-static yarn (e.g., 79/20/1, 64/35/1, or custom) |
Fabric Weight | 200 – 260 g/sm (customizable 180–300 g/sm) |
Width | 150 – 160 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, 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 required in the oil and gas industry:
Flame Retardant Standards
| Standard | Description | Relevance to Oil & Gas |
|---|---|---|
NFPA 2112 | Standard on flame-resistant garments for flash fire | Required for onshore and offshore oil & gas in North America |
EN ISO 11612 | Protective clothing against heat and flame | European standard for refinery and petrochemical workwear |
ASTM D6413 | Vertical flame test (char length, afterflame) | Basic FR performance verification |
ISO 15025 | Limited flame spread | International FR test method |
GB 8965.1 | Flame retardant protective clothing | China standard for oilfield workwear |
Anti-static Standards
Standard | Description | Relevance to Oil & Gas | |
EN 1149-3 | Electrostatic properties – charge decay | European anti-static standard for explosive atmospheres | |
GB 12014 | Anti-static workwear | China standard for oil & gas facilities | |
IEC 61340-5-1 | Protection of electronic devices from electrostatic phenomena | International anti-static reference |
Additional Testing Available
✅ ATPV rating (Arc Thermal Performance Value) – for arc flash hazards
✅ Shrinkage testing (ISO 5077 / AATCC 135)
✅ Colorfastness to washing, light, and perspiration
✅ Tensile strength and tear resistance
✅ Pilling resistance
�� Third-party test reports available upon request. Certification support for specific market requirements available.
Applications in Oil & Gas Industry
| Work Environment | Recommended Garments |
|---|---|
Onshore drilling rigs | FR anti-static coveralls, work shirts, pants |
Offshore platforms | Base layer shirts, coverall liners, uniform shirts |
Refineries | Anti-static FR work shirts, polo shirts, pants |
Gas processing plants | FR anti-static uniforms, coveralls |
Petrochemical facilities | Anti-static flame retardant workwear |
Pipeline construction | FR anti-static shirts and outerwear |
Well testing / fracturing operations | Daily wear FR anti-static garments |
Why Interlock Knit for Oil & Gas?
| Property | Interlock Knit (This Fabric) | Woven FR Fabric |
|---|---|---|
Comfort | Soft, stretchable, breathable | Stiff, limited give |
Heat management | Excellent airflow | Moderate |
Worker compliance | High – workers will actually wear it | Low – often left in locker |
Durability | Good abrasion resistance | Excellent |
Best application | Work shirts, polos, base layers, uniform tops | Coveralls, jackets, heavy pants |
Key insight: Many oil & gas workers remove stiff woven FR coveralls due to discomfort, exposing themselves to hazards. A comfortable knit fabric increases compliance – workers keep their protection on.
Permanent Anti-static – Why It Matters in Oil & Gas
In oil and gas environments, static electricity is an ignition source. A single spark can ignite flammable vapors, gases, or dust.
How this fabric works:
Conductive anti-static yarns (carbon fiber or synthetic filaments) are integrated into the knit structure
These yarns create a discharge path for static electricity
Static charge dissipates safely instead of building up and sparking
Key advantage: Permanent anti-static performance does not wash out or wear off – unlike topical anti-static sprays or finishes.
⚡ Compatible with grounding systems used in hazardous area workwear.
