Portwest PW3 Modaflame Knit FR Long Sleeve T-Shirt

The Portwest FR732 PW3 Modaflame Knit FR Long Sleeve T-Shirt combines superior flame resistant protection with exceptional comfort for everyday wear in hazardous environments. Constructed from an inherently fire resistant yarn of 60% Modacrylic, 39% Cotton and 1% Carbon Fibre, this innovative base layer garment provides permanent protection that will never wash out or diminish over time.

Unlike chemically treated FR fabrics, the Modaflame Knit technology uses high performance fibres blended without any chemical treatment, giving Modaflame Knit its unparalleled soft, natural touch and appearance. The high cotton content ensures all-day comfort against the skin while maintaining critical safety performance in multi-hazard work environments.

Featuring heat applied segmented reflective tape for added visibility, this FR t-shirt enhances worker safety in low-light conditions without compromising on flame resistant protection. The modern PW3 styling delivers a professional appearance suitable for a wide range of industrial applications.

The inherent flame resistant qualities will not diminish with washing, making the FR732 a cost-effective long-term investment in worker safety. This garment offers protection against radiant, convective and contact heat while remaining lightweight and breathable for comfortable all-day wear.

Key Features & Benefits

Inherent Flame Resistance

• Inherent flame resistant qualities will not diminish with washing
• Modacrylic fibres are difficult to ignite and do not combust – material will self-extinguish
• Permanent FR protection for the life of the garment
• No chemical treatments that can wear off or wash out

Arc Flash Protection

• IEC 61482-2 IEC 61482-1-1 certified (Elim 4.4 CAL/CM², EBT 5.5 CAL/CM²)
• ASTM F1959/F1959M-12 rated (EBT = 4.3 CAL/CM², HAF = 66%)
• APC Class 1 arc protection rating
• Suitable for electrical work environments

Anti-Static Properties

• 1% Carbon Fibre content provides inherent anti-static protection
• Suitable to be worn in an ATEX environment
• Prevents static discharge in explosive atmospheres
• EN 1149-5 certified

Superior Comfort

• Designed with a comfort fit
• Cotton content allows the fabric to remain both soft and breathable
• Ribbed cuffs for added comfort
• Crew neck design for versatile layering

Enhanced Visibility

• Heat applied segmented reflective tape for added visibility
• EN 17353 Type B3 enhanced visibility certification
• Ideal for low-light working conditions

UV Protection

• 40+ UPF rated fabric to block 98% of UV rays
• Protects against harmful sun exposure during outdoor work

Technical Specifications

Safety Standards & Certifications

The Portwest FR732 is certified to multiple international safety standards:

• EN 1149-5 – Anti-Static Properties
• IEC 61482-2 – Arc Flash Protection
• IEC 61482-1-1 – Arc Rating (Elim 4.4 CAL/CM², EBT 5.5 CAL/CM²)
• IEC 61482-1-2 – APC Class 1
• EN 17353 Type B3 – Enhanced Visibility
• ASTM F1959/F1959M-12 – Arc Thermal Performance (EBT = 4.3 CAL/CM², HAF = 66%)
• CE-CAT III – Complex Design PPE
• UKCA Marked – UK Conformity Assessed

Ideal Applications & Industries

The Portwest PW3 Modaflame Knit FR732 Long Sleeve T-Shirt is specifically designed for professionals working in:

• Electrical Utilities – Power generation, transmission, and distribution work
• Oil & Gas – Refineries, petrochemical plants, and offshore platforms
• Manufacturing – Metal fabrication, foundries, and industrial processing
• Welding & Hot Works – Base layer protection under FR coveralls
• Rail Industry – Track maintenance and infrastructure work
• Mining & Quarrying – Underground and surface operations
• Chemical Processing – Plants handling flammable substances
• ATEX Environments – Explosive atmosphere zones

Layering System

The FR732 is designed as an essential base layer in a complete FR protection system. Wear under:

• FR jackets and coveralls for enhanced protection
• FR fleece or sweatshirts in cold weather
• FR outerwear for outdoor work in adverse conditions

The comfort fit design allows for easy layering without restricting movement, while the inherent FR properties ensure protection is maintained throughout the garment system.

Care Instructions

To maintain optimal performance and longevity:

• Machine wash at 60°C using non-biological detergent
• Do not use fabric softeners or bleach
• Tumble dry on low heat or line dry
• Iron on low temperature (max 100°C) if required
• Do not dry clean
• Inherent FR properties are permanent and will not wash out

Why Choose Portwest Modaflame Knit FR732?

Portwest has manufactured protective workwear since 1904, and the Modaflame Knit range represents the cutting edge of FR base layer technology. Modaflame Knit is strong, durable, and highly innovative, offering permanent protection without compromising on comfort.

When you choose the FR732, you're investing in:

• Permanent Protection – Inherent FR properties that never wash out or fade
• All-Day Comfort – High cotton content for breathability and softness
• Multi-Hazard Safety – Arc flash, flame, and anti-static protection in one garment
• Long-Term Value – Durable construction that maintains protection throughout the garment's life
• Versatile Performance – Ideal as base layer or standalone FR t-shirt
• ATEX Suitability – Certified for use in explosive atmosphere environments

FAQ Schema Content

Q: Will the flame resistance wash out over time? A: No. The inherent flame resistant qualities will not diminish with washing. The Modaflame Knit fabric uses inherently FR fibres, not chemical treatments, so the protection is permanent for the life of the garment.

Q: What is the arc rating of the FR732? A: The FR732 is rated to IEC 61482-1-1 (Elim 4.4 CAL/CM², EBT 5.5 CAL/CM²) and APC Class 1, providing protection against electric arc flash hazards.

Q: Can this t-shirt be worn in ATEX zones? A: Yes, the FR732 is suitable to be worn in an ATEX environment thanks to its inherent anti-static properties from the 1% Carbon Fibre content.

Q: Is the FR732 comfortable for all-day wear? A: Yes, it's designed with a comfort fit and the high cotton content (39%) ensures the fabric remains both soft and breathable for all-day comfort.

Q: What sizes are available? A: The FR732 is available in sizes S through XXXL to accommodate a wide range of body types.

Q: Can I layer other FR garments over this t-shirt? A: Yes, the FR732 is designed as an ideal base layer. The comfort fit allows for easy layering under FR coveralls, jackets, or sweatshirts while maintaining full protection.

Q: Does this t-shirt provide UV protection? A: Yes, the fabric is 40+ UPF rated to block 98% of UV rays, providing excellent sun protection for outdoor work.