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Ballistic eyewear is a form of glasses or goggles that protect from small projectiles and fragments. For the U.S. military, choices are listed on the Authorized Protective Eyewear List (APEL). [ 1 ] Ballistic eyewear including examples that meet APEL requirements are commercially available for anyone who wishes to buy it.
Goggles, or safety glasses, are forms of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes. They are used in chemistry laboratories and in woodworking .
BS 857:1967 [1] is a currently in-use British Standard specification for flat or curved safety glasses (toughened or laminated) for use in land vehicles, including road vehicles and railway vehicles. The standard specifies the mechanical, safety, impact, and optical requirements as well as sampling and test methods.
American Society for Testing and Materials (now ASTM International) had been members of the United Engineering Society (UES). At the behest of the AIEE, they invited the U.S. government Departments of War, Navy (combined in 1947 to become the Department of Defense or DOD) and Commerce [9] to join in founding a national standards organization.
Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempering puts the outer surfaces into compression and the interior into tension .
BS 0 A standard for standards specifies Development, Structure and Drafting of British Standards themselves. BS 1 Lists of Rolled Sections for Structural Purposes; BS 2 Specification and Sections of Tramway Rails and Fishplates; BS 3 Report on Influence of Gauge Length and Section of Test Bar on the Percentage of Elongation