Portwest
Portwest FR431 Bizflame Work FR Pants
Portwest FR431 Bizflame Work FR Pants
Style Code: FR431SKU: FR431NVRXS
Quantity per size
Tech Card
Trade pricing
Add to your order
Loading your contract prices…
- 7-day returns
- Free shipping over $150
- +61 2 6056 6685
Most items are ordered in for you. Allow 5 to 7 business days to prepare your order before dispatch. Multi-site pickup available at checkout. Contact our team to check availability →
Want it branded? Get a customisation quote
Business buyer? Apply for a trade account
Engineered for metal fabricators, boilermakers, and heavy industrial plant mechanics, Portwest FR431 Bizflame work pants provide heavyweight protection against grinding sparks, welding spatter, and radiant heat. The substantial 330gsm cotton drill incorporates an antistatic carbon grid and specialized flame-retardant finish. Twin-needle reinforced seams and generous utility pockets endure tough mechanical duties.
Key Features:
- Heavy 330gsm cotton fabric provides durable resistance against molten metal splashes
- Certified to EN ISO 11611 Class 1 welding safety and EN ISO 11612 flame protection
- Delivers Category 2 arc flash defense with an ATPV rating of 9.1 cal/cm2
- Integrated rule pocket and dual back pockets keep essential hand tools within quick reach
- Durable brass zip fly with heavy closure button stands up to rugged daily site usage
Product Specifications:
- Fabric Chassis: Bizflame Work 99% cotton, 1% carbon fibre
- Material Mass: 330 gsm heavy-duty drill
- Arc Rating: ASTM F1959 ATPV 9.1 cal/cm2
- Hot Works Safety: EN ISO 11611 Class 1, EN ISO 11612
- Ultraviolet Protection: UPF 40+ solar defense
Specifications & Compliance
- Style Code
- FR431
- Garment Type
- Pants
- Fit / Gender
- Unisex
- Hi-Vis Class
- N Compliant
Suitable for
5 trades
Suitable for
5 trades- Construction
- General Trade
- Mining
- Traffic Controller
- Welder
Portwest FR431 Bizflame Work FR Pants