Specifies requirements for unglazed spectacle frames made from all types of materials and intended for use with corrective lenses. The component parts of a frame are defined, and diagrams of typical parts are provided. A measurement system and a marking system for frames are described. Performance requirements are given, with methods for determining frame endurance, corrosion, bridge strength and flammability provided in appendices. Frames for non-prescription sunglasses and frames to be used for products providing protection against industrial hazards, other than safety spectacles, are excluded from this Standard.
| Edition : | 1st |
| File Size : | 1
file
, 150 KB |
| ISBN(s) : | 072627593 |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 19 |
| Product Code(s) : | 10103443, 10103415, 10103507 |
| Published : | 01/01/1992 |
