Portwest FR Molten Metal Trousers FR64

Portwest FR Molten Metal Work Trousers FR64

When you're working in foundries, welding shops, or around molten metal, you need welding trousers that actually deliver on protection. The Portwest FR Molten Metal work pants are engineered specifically for those high-risk environments where aluminium, iron, and steel operations demand serious safety measures. These long work trousers combine robust flame-retardant fabric with practical design features that make them reliable day in, day out. The half-elastic waistband ensures a comfortable fit throughout your shift, while the adjustable hem accommodates various leg lengths, so you get the right coverage without compromise.

Key Features

• Class 2 limited protection against welding hazards and heat
• Molten metal splash protection with maximum heat resistance
• UPF 40+ fabric blocks 98% of ultraviolet radiation
• Adjustable hem suits all leg lengths from 31" to 33"
• Four storage pockets plus thumb pocket for tool access

Recommendations from our Unishore Expert

You're looking at work trousers built from a specialised blend that balances protection with genuine wearability. The fabric composition means these trousers deliver excellent thermal comfort without feeling heavy, so you can move freely even during long shifts. The half-elastic waistband is a smart touch for those who value both security and flexibility around the waist. The adjustable hem is genuinely helpful because it means you're not stuck with a one-size-fits-all approach. For anyone in high-temperature industrial work, these trousers tick all the boxes for both safety and practicality. They're industrial washable at 75°C with tunnel drying at 155°C, so they'll hold up to your laundry routine without degrading.

Product Features

• Material - 43% cotton, 30% viscose, 20% acrylic, 6% para-aramide, 1% carbon fibre (360g)
• Fit - Regular
• Pockets - Thumb pocket, hand pockets, thigh pocket with closure
• Closure - Buttons with covered closure
• Length - Normal length
• Leg length - Long leg length
• Article number - FR64

Standards and Safety

• Flame retardant protection against surface ignition, edge burning, convective and radiant heat per EN ISO 11612 (A1+A2 B1 C1 D3 E3 F1)
• Limited protection during welding operations per EN ISO 11611 Class 2 (A1+A2)
• Electric arc protection rated at 9.5 CAL/CM² per IEC 61482-2
• Antistatic properties per EN 1149-5
• ATEX environment approved for explosive atmosphere workspaces