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The Shade 9 4x5 Plastic Filter Plate is a critical component for passive welding helmets, engineered to deliver consistent optical performance and robust protection. Manufactured from impact-resistant polycarbonate, this lens is designed to withstand the harsh conditions of industrial welding environments. It serves as a direct replacement for standard 4x5 inch filter plates, fitting securely into the retaining systems of compatible large-window hoods.
Selecting the correct shade is vital for both weld quality and operator safety. Shade 9 is typically specified for lower amperage welding processes (typically under 100-150 amps depending on the process) such as light MIG or TIG work, and is also frequently used for plasma cutting. It provides the necessary darkening to prevent eye damage from the intense visible light of the arc while filtering out invisible Ultraviolet (UV) and Infrared (IR) rays that cause welder's flash and long-term eye injury.
One of the primary advantages of this plastic filter plate over glass equivalents is its resilience. In heavy-duty MRO and fabrication settings, equipment is often subjected to rough handling. A polycarbonate lens is far less likely to crack or shatter if the helmet is dropped. Furthermore, the lighter weight of the plastic substrate contributes to better ergonomics, reducing the load on the welder's neck muscles over the course of a workday.
Product Specifications:
Ensure your welding helmet is ready for the job with this high-performance replacement filter plate, offering the perfect balance of protection, clarity, and durability.
| Additional Information |
|---|
| Brand:Generic |
| Item:Lens Filter Plate |
| Lense Size:4 x 5 |
| Shade Or Magnifier:9 |
| Material:Polycarbonate |
| Packaging Description:1-per-ea |
| Lens Type:Passive Filter Plate |
| Shade Range:9 |
| Viewing Area:4" x 5" |
| Standards:ANSI Z87.1 |
| Inner Or Outer Lense:N/A |
