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DESCRIPTION:
Assesses resistance of eyewear to perspiration
APPLICABLE STANDARD:
QB/T 14214-2003
DESCRIPTION:
Pull test of metal parts
DESCRIPTION:
Abrades steel wool over coating substrate , ( with and cycles adjustable) to indicate abrasion resistance
This unit measures the Distortion in a lens primarily caused by the injection mold or poor molding conditions.
Ref: Military Eyewear Standards MCEPS
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