Answer:
The 3M 1621 weighs 100 grams (0.1 kg) and features a clear polycarbonate lens providing 99% UV protection, an anti-scratch coating on both sides, and four one-way indirect ventilation ports.
The 3M 1621 (catalog code 1621IN) is an industrial safety goggle designed for impact and chemical splash protection. Key quantitative and physical specifications include:
- Weight: 100 grams (0.1 kg).
- Lens Material: Optical-grade polycarbonate with anti-scratch coating applied to both sides.
- UV Attenuation: Filters 99% of ultraviolet (UV) radiation.
- Frame & Strap: Polycarbonate frame structure fitted with an adjustable nylon headband.
- Ventilation System: 4 one-way indirect ventilation ports designed to circulate air while stopping chemical splash intrusion.
