PRESCRIPTION SAFETY GLASSES INDONESIA DENGAN STANDAR ANSI Z87

 

ANSI Z87.1 - 2003

The scope and purpose of the standard is laid out in section 2 and states "This standard sets forth criteria related to the description, general requirements, testing, marking, selection, care and use of proctetors to minimize or prevent injuries from such hazards as impact, non ionizing radiation and chemical type injuries, in occupational and educational environments including, but not limited to machinery operations, material welding and cutting, chemical handling and assembly operaions. This standard provides minimum requirements for protectors including selection, use and maintenance of these protectors as devices to minimize or prevent eye and face injuries.

FRAME TESTS :

HIGH VELOCITY IMPACT TEST

  • A frame with plano (non Rx) lenses and side shields is mounted on a special head form
  • It's shot with a 1/4 steel ball travelling at 150 fps (that's about 100mph)
  • Not part or fragments may be ejected
  • No contact is permitted with the eye on the head form as a result of the impact.
  • 20 samples are tested : all must pass
  • 2mm polycarbonate lenses are used in the frame testing

HIGH MASS IMPACT TEST

  • A 17.6 oz. pointed projectile is dropped through a 51.2" tube
  • The frame and lenses must remain intact
  • No contact may be made with the head form
  • Dress frames are not tested to these standards!
  • 4 samples are tested : all must pass

FRAME MARKING

Spectacle frames including in the front , both temples and removable sideshields shall be marked with the manufactures mark or symbol and "Z87-2". Fronts shall be marked with the A-dimension (eye size) and DBL (distance between lenses). Temples shall be marked with their overall length.

 

CORROSION

Metal parts are boiled in a 10% aqueous solution of sodium chloride for 15 minutes. Then immersed in the same solution at room temperature, removed and allowed to dry for 24 hours. The metal parts are then rinsed in lukewarm water and allowed to dry for 24 hours. The function of the spectacles shall not be impaired by the corrosion.

 

FLAMMABILITY

The front, temple, lens and removable sideshields shall not burn at a rate greater than 76mm (3 in) per minute.

 

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