BL220 D55 Safety Goggles
BL220 D55 Safety Goggles
The BL220 D55 Safety Goggles typically refers to a standard 55mm diameter lens often used in classic "cup-style" welding or protective goggles. Below is the technical description and typical specifications for this type of safety equipment.
Technical Specifications
| Feature | Specification Details |
| Lens Diameter | 55mm (Standard "D55" size) |
| Lens Material | High-impact Polycarbonate |
| Frame Material | Durable Thermo-Plastic Rubber (TPR) or HDPE |
| Optical Class | Class 1 (Suitable for permanent, comfortable wear) |
| Impact Rating | High speed, medium energy impact (e.g., Class B, 120 m/s) |
| Ventilation | Indirect ventilation (to prevent fogging while blocking debris) |
| Headband | Adjustable 10mm–25mm elastic strap |
| Protection Type | Liquid drops, splashes, dust, molten metal, and IR/UV radiation |