FR417 Bizflame Work+
Work Trousers
7 Standards · Chemicals · Arc Flash
The Portwest FR417 is the complete multi-standard work trouser made from Bizflame Work+ fabric (99% cotton, 1% carbon fibre, 280 g/m²). Flame retardant EN ISO 11612, arc flash protection ELIM 12 cal/cm², chemical protection EN 13034 Type 6, anti-static EN 1149-5, welding protection EN ISO 11611 Class 2 – completely metal-free and ATEX-compatible. Available in Royal Blue, Grey, and Navy.
7 Standards, 99% Cotton
and completely metal-free
Bizflame Work+ – 99% Cotton
Bizflame Work+ fabric (99% cotton, 1% carbon fibre, 280 g/m²) offers the comfort of pure cotton with inherent flame protection and lasting anti-static properties. EN ISO 11612 A1+A2, B1, C1, F1 – no wash-out effect.
ELIM 12 cal/cm² – Arc Flash Protection
IEC 61482-1-1 ELIM 12 cal/cm² and ATPV 14 cal/cm², as well as APC Class 1 according to IEC 61482-1-2 – reliable arc flash protection for electricians, utility providers, and industrial electrical installations.
EN 13034 Type 6 – Chemical Protection
Limited splash protection against liquid chemicals according to EN 13034 Type 6 – combined with flame protection, ideal for petrochemical plants, laboratory areas, cleaning work, and the chemical industry.
100% Metal-Free – ATEX & MRI-Compatible
Completely metal-free – no nickel, no iron. The trousers are suitable for hospitals (MRI environments), electronics manufacturing, ATEX explosion zones, and airports. The carbon fibre provides anti-static properties without metallic components.
Extendable Leg Length 31" – 33"
The extendable leg length (31" to 33") allows for individual adjustment to various body sizes – without the need for alterations. The ergonomic cut ensures greater freedom of movement when kneeling and performing standing tasks.
EN ISO 11611 Class 2 – Welding Protection
Class 2 A1+A2 according to EN ISO 11611 is the highest protection class for welding protection – for demanding welding work with high intensity and intense spark generation. Combined with EN 17353 Type B2 enhanced visibility through flame-retardant reflective tapes.
Material &
Specification
The FR417 Bizflame FR Work Trousers have been specially developed for high-risk environments and offer comprehensive protection against heat, flames, welding spatters, chemical splashes, and electric arcs. These professional multi-standard work trousers are ideal for industry, energy supply, welding technology, petrochemicals, and technical maintenance areas.
The robust Bizflame Work+ fabric, made from cotton with integrated carbon fibre, combines high wearing comfort with a durable protective function. The anti-static properties reduce electrostatic discharges, while the flame-retardant finish ensures consistently reliable protection in everyday work.
Of particular note is the integrated arc flash protection according to IEC 61482-2, which makes the trousers ideal for electrical work areas. In addition, the trousers meet the requirements for chemical protection according to EN 13034 Type 6 and welding protection according to EN ISO 11611 Class 2.
The FR417 also impresses with its functional features including multiple pockets, metal-free construction, and extendable leg length. The robust workmanship ensures high durability even with intensive use in demanding work environments.
| Model | FR417 Bizflame Work+ Work Trousers |
| Manufacturer | Portwest |
| Fabric | Bizflame Work+ |
| Composition | 99% Cotton, 1% Carbon Fibre |
| Fabric Weight | 280 g/m² |
| Flame Protection | EN ISO 11612 A1+A2, B1, C1, F1 |
| Arc Flash ELIM | 12 cal/cm² |
| Arc Flash ATPV | 14 cal/cm² |
| Arc Flash APC | Class 1 (IEC 61482-1-2) |
| Welding Protection | EN ISO 11611 Class 2 A1+A2 |
| Anti-static | EN 1149-5 |
| Chemicals | EN 13034 Type 6 |
| Visibility | EN 17353 Type B2 |
| Metal-free | Yes – no nickel, no iron |
| Leg Length | Extendable 31" – 33" |
| Pockets | 5 (back, rule, multi, front) |
| Colours | Royal Blue · Grey · Navy |
| Sizes | 44 – 64 (European sizes) |
| Price | € 37.95 |
7 Standards & Certificates
at a glance
Care Instructions
Bizflame Work+ fabric has inherent flame-retardant and anti-static properties due to the carbon fibre – permanently without wash-out effect. No fabric softeners: these impair the anti-static properties of the carbon fibre and the chemical protection of the trousers.
European clothing sizes. Leg length extendable from 31" to 33". Size chart available on request.
All three colors meet all multi-standard certifications. No warning colors – subtle, professional industrial design. Company embroidery available upon request.
Ideal for industries with combined
flame, arc, and chemical risks
Why the FR417
is the right choice
For all professionals who need full multi-standard trousers with 7 certifications, metal-free construction, and 99% cotton comfort – at an exceptional price of €37.95.
FAQ
Ready to order?
Bulk quantities, company embroidery, or samples available upon request.

