ST1150 - ST1 Series Shade 5.0 Cutting and Brazing Safety Glasses

Technical Overview of MCR Safety ST1150

The MCR Safety ST1150 is a specialized protective eyewear solution from the ST1 Series, engineered specifically for environments requiring filtration of high-intensity light sources such as those found in light-torching and brazing operations. This model features a Green Filter 5.0 lens, which provides a Visible Light Transmission (VLT) of approximately 2%, effectively mitigating glare and harmful radiation while maintaining visual acuity for precision tasks. The lens is constructed from high-grade polycarbonate, offering robust impact resistance that meets or exceeds ANSI/ISEA Z87.1 2020 and Z87+ standards.

A key technical feature of the ST1150 is the application of MCR Safety's exclusive Duramass® scratch-resistant coating. This hard coat technology significantly enhances the surface hardness of the lens, reducing the likelihood of abrasions that can compromise optical clarity over time. In terms of radiation protection, the lens filters 99.9% of ultraviolet rays (0-385nm), 98% of infrared rays (780-2000nm), and 99% of blue light (ISO 12312-1), ensuring comprehensive ocular safety against non-ionizing radiation hazards common in thermal cutting processes.

Ergonomically, the ST1150 is designed to accommodate a wide range of cranial profiles. It utilizes a 5-position ratchet action bayonet temple system, allowing users to adjust the angle of the lens for optimal coverage and comfort. The temples are finished with a non-slip, soft material that ensures the eyewear remains securely positioned during active use. The frame design is a half-frame style in black nylon, supporting a single wraparound dual focal point lens that includes integral side shields for peripheral protection. With a base weight of approximately 1.76 ounces (0.05 kg), the ST1150 minimizes fatigue during prolonged wear.