3MH70-0715-1075-7 - 3M Speedglas 9100X Inside Cover Lens (5-Pack)

Technical Overview of the 3M Speedglas 9100X Inside Protection Plate

The 3M Speedglas Inside Protection Plate (06-0200-30) is a critical consumable component designed exclusively for the Speedglas 9100X Auto-Darkening Filter (ADF). In the hierarchy of welding helmet maintenance, the inside protection plate plays a vital role in preserving the integrity of the liquid crystal display and the optical sensors housed within the ADF cassette. Unlike the outer protection plate, which defends against high-velocity spatter and radiant heat, the inside plate is engineered to protect the delicate glass surface of the ADF from environmental factors within the helmet shell, such as perspiration, condensation, and abrasive dust particles.

Manufactured from high-quality optical-grade polycarbonate, this plate ensures that the superior optical rating of the Speedglas 9100 series is not compromised. Regular replacement of this component is mandated by 3M maintenance protocols to ensure the longevity of the ADF. Over time, even careful cleaning with soft cloths can introduce micro-scratches to the plate surface, causing diffraction of light and reducing the welder's ability to perceive the weld pool accurately. Furthermore, a damaged or missing inside plate can allow moisture and metallic fines to penetrate the ADF assembly, potentially causing short circuits or delamination of the filter layers—damage that is typically not covered under warranty.

This package contains five (5) replacement plates, ensuring that facility managers and safety officers can maintain a ready stock for their welding teams. The dimensions are precision-cut to fit the retention mechanism of the 9100X model specifically (approximate viewing area 54x107mm), ensuring a dust-tight seal. It is not compatible with the 9100V or 9100XX models, which utilize different dimensional standards. By adhering to a regular replacement schedule, users ensure optimal visual acuity and equipment protection.