FMF400CSA - Fibre-Metal F-400 High Performance Face Shield Headgear with Ratchet Suspension

Technical Overview of the Fibre-Metal F-400 Headgear

The Fibre-Metal FMF400CSA (Model F-400) is a high-performance face shield headgear assembly designed to provide robust protection and versatility in industrial environments. Engineered from Noryl, a high-strength thermoplastic, this unit offers exceptional resistance to heat and impact, making it suitable for heavy-duty applications such as grinding, chipping, and chemical handling. The assembly features a 4-inch deep crown protector which serves a dual purpose: it shields the forehead and upper head from impact and falling debris, and it provides a rigid mounting platform for the face shield window.

A key technical feature of the F-400 is its 3C Ratchet Suspension system. This mechanism allows operators to precisely adjust the headband size for a secure fit without removing the gear, ensuring stability even during active movement. The suspension is designed with a floating headband that distributes weight evenly across the head, minimizing pressure points. Furthermore, the geometry of the headgear is engineered to provide generous clearance between the face and the window. This offset accommodates the simultaneous use of prescription spectacles or safety goggles and facilitates natural airflow, which is critical for mitigating fogging in humid or high-exertion environments.

The F-400 utilizes a channel grip mounting system that simplifies the installation and replacement of face shield windows. It is specifically optimized for use with the Fibre-Metal 4178 series of high-performance windows, though it accepts a variety of standard windows. This specific SKU (FMF400CSA) indicates compliance with CSA Z94.3 standards, ensuring it meets rigorous Canadian safety requirements for eye and face protection. It is an essential component for MRO safety inventories requiring reliable, adaptable, and compliant PPE solutions.