Portwest Bizflame 88/12 FR Trousers
Protect yourself in hazardous work environments with the Portwest Bizflame 88/12 FR Trousers FR432. These lightweight flame resistant trousers deliver exceptional protection against thermal hazards while ensuring all-day comfort for professionals working in high-risk industries.
Crafted from Portwest's innovative Bizflame 88/12 fabric (88% cotton, 12% nylon), these FR work trousers combine the natural comfort of cotton with the enhanced durability and tear resistance of high-tenacity nylon. The result is a pair of flame resistant trousers that feel soft against the skin while standing up to the rigours of demanding industrial environments.
Key Features & Benefits
Superior Flame & Arc Flash Protection The FR432 trousers provide certified protection against radiant, convective, and contact heat. Meeting stringent international safety standards, these trousers are essential PPE for welders, electricians, and workers in petrochemical, oil & gas, and utility sectors.
Lightweight Comfort Unlike heavy, restrictive flame resistant workwear, the Bizflame 88/12 fabric offers a lightweight construction that doesn't compromise on protection. Stay comfortable throughout long shifts without feeling weighed down.
Practical 6-Pocket Design Keep your tools and essentials within easy reach with six functional pockets including two side pockets, two back patch pockets, an easy-access cargo pocket, and a dedicated rule pocket.
Adjustable Leg Length The extendable leg length feature (31" to 33") allows you to customise the fit, ensuring these trousers work for a wide range of body types without requiring alterations.
Secure, Comfortable Fit Featuring an elasticated back waist for a secure yet comfortable fit, plus a concealed fly zip opening for a neat, professional appearance.
Industrial Wash Durability Equipped with sewn-on flame resistant industrial wash tape, these trousers maintain their protective properties and appearance even after repeated industrial laundering.
Safety Certifications & Standards
The Portwest FR432 Bizflame 88/12 FR Trousers meet the following international safety standards:
- EN ISO 11611 (A1 + A2) – Protection for welding and allied processes
- IEC 61482-2 – Arc flash face and head protection
- IEC 61482-1-1 – Electric arc thermal hazard protection (ELIM 9.1 CAL/CM², ATPV 11 CAL/CM²)
- EN 17353 Type B2 – High visibility accessories
These certifications make the FR432 suitable for use in welding, electrical utility work, and other environments where flame and arc flash hazards are present.
Technical Specifications
Specification | Detail |
Product Code | FR432 |
Fabric | Bizflame 88/12 (88% Cotton, 12% Nylon) |
Colour | Dark Navy |
Sizes Available | 30, 32, 34, 36, 38, 40, 42, 44, 46 |
Leg Length | Adjustable 31" to 33" |
Pockets | 6 (side, back, cargo, rule) |
Waist | Elasticated back |
Closure | Concealed fly zip |
Ideal Applications
The Portwest Bizflame 88/12 FR Trousers FR432 are designed for professionals working in:
- Oil & gas industry
- Petrochemical plants
- Electrical utilities
- Welding and fabrication
- Mining operations
- Manufacturing facilities
- Railway maintenance
- Offshore platforms
Why Choose Portwest Bizflame 88/12?
Portwest has been manufacturing premium workwear and PPE since 1904, building a reputation for quality, innovation, and reliability. The Bizflame 88/12 range represents the latest in flame resistant technology, combining multi-standard protection with the comfort and durability that modern workers demand.
The 88/12 cotton-nylon blend provides 50% extended garment life compared to 100% cotton alternatives, delivering better value and sustained protection over time.
Care Instructions
- Machine wash at 60°C maximum
- Do not bleach
- Tumble dry on low setting
- Iron at medium temperature (max 150°C)
- Do not dry clean
Order Your FR432 Flame Resistant Trousers Today
Stay protected on the job with the Portwest Bizflame 88/12 FR Trousers FR432. Combining certified flame and arc flash protection with lightweight comfort and practical features, these trousers are the smart choice for safety-conscious professionals.
Available now at Hall-Fast – your trusted supplier of workwear, safety equipment, and industrial supplies.
Related Products You May Also Need
- Portwest Bizflame 88/12 FR Shirt
- Portwest Bizflame 88/12 FR Coverall
- Flame Resistant Safety Boots
- Arc Flash Face Shields
- FR Work Gloves
Designed to give maximum protection and comfort to the wearer, the Bizflame 88/12 Pants will keep you safe. The garment has twin stitched seams for extra strength and side pockets with a conveniently placed rule pocket for quick and easy accessibility.
Features
- Lightweight and comfortable
- Protection against radiant, convective and contact heat
- Rule pocket
- Two back patch pockets
- Easy access cargo pocket
- Side pockets
- Extendable leg length (31" to 33")
- Concealed fly zip opening
- 6 pockets for ample storage
- Elasticated back waist for a secure fit
- Sew on flame resistant industrial wash tape
- CE certified
- CE-CAT III
Shell Fabric : Bizflame 88/12: 88% Cotton, 12% Nylon 237g
Standards
- EN ISO 11612 A1+A2, B1, C1, E1, F1
- EN ISO 11611 A1 + A2
- IEC 61482-2 IEC 61482-1-1 ELIM 9.1 CAL/CM², ATPV 11 CAL/CM²
- EN 17353 Type B2
Free delivery on all online orders over £54.99, delivered to the UK mainland only; A small order charge of £6.95+ vat is charged on all orders under £54.99 (net).
Some products are subject to an additional shipping surcharge due to their size and weight, contact us for details. Many of our items are available for next day delivery, where items are made to order or not currently in stock delivery times will vary.
Please contact us for a confirmed delivery date or alternatively a representative will confirm your order. Special delivery services are available; please contact our Sales Office to discuss your specific requirements.
The following postcodes will be subject to a delivery surcharge: AB31 to AB56, FK17-FK21, IV1-IV56 & IV63, JE1-JE5, KW1-KW17, PA21-PA40, PH4-PH41, PH49, PH50, HS, KA27, KA28, PA20, PA41-PA78, PH42-PH44 and ZE, This also includes Northern Ireland. Certain products within our range are subject to a delivery surcharge when delivered to additional areas in Scotland than those already listed.
We offer bulk discounts on all our products.
If you would like to find out more about bulk order discounts from Hall-Fast Industrial Supplies Ltd please contact us on 01623 645 645 or email sales@hall-fast.com.
Estimated delivery is for guidance only, an exact delivery date will be confirmed on your order acknowledgement. Please contact us for further information.We make every effort to ensure that the information provided on this page is accurate, we can not be held responsible for any errors, typography or otherwise. Illustrations and images are representational of typical styles and designs may vary. Prices and specifications may alter without prior notice.