Portwest Bizweld Work FR Werkbroek BZ443

Portwest Bizweld Work FR Welding Trousers

When you're working in environments where thermal hazards are a real concern, you need work pants that genuinely protect you. The Portwest Bizweld Work FR Welding Trousers BZ443 deliver exactly that. These long work trousers combine flame retardant protection with a modern, practical design that keeps you moving freely throughout your shift. Built from robust 100% cotton fabric, they're engineered to guard against radiant, convective and contact heat whilst remaining comfortable to wear day in, day out. The adjustable bottom hem means you get the perfect fit regardless of your leg length, and with six generous storage pockets, you've got space for everything you need close at hand.

Key Features

• Flame retardant protection throughout the garment's lifetime
• Six storage pockets for convenient tool and equipment carrying
• Adjustable hem accommodates various leg lengths easily
• Elasticated waistband and rear for enhanced comfort and fit
• Reflective print improves visibility in low light conditions

Recommendations from our Unishore Expert

These welding trousers are built for professionals who refuse to compromise on safety or comfort. The heavyweight 100% cotton construction provides excellent breathability while maintaining the structural integrity needed for thermal protection. The elasticated waistband gives you movement without restriction, whether you're bending, climbing or working in confined spaces. What really sets these work trousers apart is the combination of practical storage with genuine arc and heat protection certified to strict safety standards. If you're regularly exposed to molten metal splashes, electrical arcs or welding environments, investing in these flame retardant work trousers makes a real difference to your working day.

Product Features

• Fabric composition - 100% Cotton, 280g
• Fit - Regular
• Leg length - Long leg length
• Garment length - Normal
• Pockets - Six storage pockets with contrast stitching
• Closure - Durable brass zip
• Item number - BZ443

Standards and Safety

• Protects against surface and edge ignition according to EN ISO 11612 A1+A2
• Guards against convection heat exposure as per EN ISO 11612 B1
• Defends against radiant heat in line with EN ISO 11612 C1
• Certified for contact heat protection to EN ISO 11612 F1
• Resists splashes of molten iron per EN ISO 11612 E3
• Offers limited protection in welding situations under EN ISO 11611 Class 1
• Provides electric arc protection meeting IEC 61482-2 standards at 8 CAL/CM² and 11 CAL/CM² ATPV
• Achieves UPF 40+ ultraviolet radiation blocking capability