1. | GOGGLES, flexible fitting, regular ventilation |
2. | GOGGLES, flexible fitting, hooded ventilation |
3. | GOGGLES, cushioned fitting, rigid body |
*4. | SPECTACLES, metal frame, with sideshields |
*5. | SPECTACLES, plastic frame with sideshields |
*6. | SPECTACLES, metal-plastic frame, with sideshields |
**7. | WELDING GOGGLES, eyecup type, tinted lenses (illustrated) |
7A. | CHIPPING GOGGLES, eyecup type, clear safety lenses (not illustrated) |
**8. | WELDING GOGGLES, coverspec type tinted lenses (illustrated) |
8A. | CHIPPING GOGGLES, coverspec type, clear safety lenses (not illustrated) |
**9. | WELDING GOGGLES, coverspec type, tinted plate lens |
10. | FACE SHIELD (available with plastic or mesh window) |
11. | WELDING HELMETS |
* | Nonside shield spectacles are available for limited hazard use requiring only frontal protection. |
** | See Table C-2 in (2) of this section, Filter lens shade numbers for protection against radiant energy. |
APPLICATIONS | |||
OPERATION | HAZARDS | RECOMMENDED PROTECTORS: Underscored Numbers Signify Preferred Protection | |
ACETYLENE- BURNING ACETYLENE- CUTTING ACETYLENE- WELDING | SPARKS, HARMFUL RAYS, MOLTEN METAL, FLYING PARTICLES | 7, 8, 9 | |
CHEMICAL HANDLING | SPLASH, ACID BURNS, FUMES | 2, 10 (for severe exposure add 10 over 2) | |
CHIPPING | FLYING PARTICLES | 1, 3, 4, 5, 6, 7A, 8A | |
ELECTRIC (ARC) WELDING | SPARKS, INTENSE RAYS, MOLTEN METAL | 9, 11 (11 in combination with 4, 5, 6, in tinted lenses, advisable) | |
FURNACE OPERATIONS | GLARE, HEAT, MOLTEN METAL | 7, 8, 9 (for severe exposure add 10) | |
GRINDING- LIGHT | FLYING PARTICLES | 1, 3, 4, 5, 6, 10 | |
GRINDING- HEAVY | FLYING PARTICLES | 1, 3, 7A, 8A (for severe exposure add 10) | |
LABORATORY | CHEMICAL SPLASH, GLASS BREAKAGE | 2 (10 when in combination with 4, 5, 6) | |
MACHINING | FLYING PARTICLES | 1, 3, 4, 5, 6, 10 | |
MOLTEN METALS | HEAT, GLARE, SPARKS, SPLASH | 7, 8 (10 in combination with 4, 5, 6, in tinted lenses) | |
SPOT WELDING | FLYING PARTICLES, SPARKS | 1, 3, 4, 5, 6, 10 |
Welding Operation | Shade number |
Shielded metal-arc welding 1/16-, 3/32-, 1/8-, 5/32-inch diameter electrodes. . . . | 10 |
Gas-shielded arc welding (nonferrous) 1/16-, 3/32-, 1/8-, 5/32-inch diameter electrodes. . . . | 11 |
Gas-shielded arc welding (ferrous) 1/16-, 3/32-, 1/8-, 5/32-inch diameter electrodes. . . . | 12 |
Shielded metal-arc welding 3/16-, 7/32-, 1/4-inch diameter electrodes. . . . | 12 |
5/16-, 3/8-inch diameter electrodes. . . . | 14 |
Atomic hydrogen welding. . . . | 10-14 |
Carbon-arc welding. . . . | 14 |
Soldering. . . . | 2 |
Torch brazing. . . . | 3 or 4 |
Light cutting, up to 1 inch. . . . | 3 or 4 |
Medium cutting, 1 inch to 6 inches. . . . | 4 or 5 |
Heavy cutting, over 6 inches. . . . | 5 or 6 |
Gas welding (light), up to 1/8-inch. . . . | 4 or 5 |
Gas welding (medium), 1/8-inch to 1/2-inch. . . . | 5 or 6 |
Gas welding (heavy), over 1/2-inch. . . . | 6 or 9 |
INTENSITY | ATTENUATION | ||
CW maximum power density (watts/cm2) | Optical density (O.D.) | Attenuation factor | |
10-2 | 5 | 105 | |
10-1 | 6 | 106 | |
1.0 | 7 | 107 | |
10.0 | 8 | 108 |