[Jewelry making - Article 00845] - Re: [Orchid] Welding glasses with oxy/acetylene?

[Texeclectic]

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Theory

    Light produced by soldering, welding or cutting is visible because
    either the radiant body ( normally the piece being worked on ) or the
    fuel is at a high enough temperature to radiate. Flux however, can
    cause a sodium glare. Acetylene without oxygen produces more light
    than a neuteral oxygen / acetylene flame which produces more useable
    heat. If you don't get the metal very hot it does not radiate as
    brightly. ( If the gold or silver is bright enough to be a hazard, it
    is already molten. - My Opinion ) 

    When in doubt, follow - A.N.S.I Standard # Z 87.1 

    Practice 

    I have fitted one of my optivisors with two strips of self adhesive
    velcro on the inside of the visor. On the # 4 tinted 2 X 4.25
    rectangular welding lens are 2 more strips of self adhesive velcro.
    The tinted lens protrudes below the magnifing lens. Just stck it on.
    Nothing could be simpler. 

    Options 

    Other tints are available for the 2 X 4.25 lens. 4 - 14. These are
    Hard Glass lens so in case of breakage, you might wear them to the
    outside of your optivisor lenses. If I were doing much oxy/acetylene
    welding of of ferrous metals, this might be preferable. These tinted
    lenses cost much less to replace than the optivisor lenses. 

    I have Gold plated # 9 welding lens which are wonderful to use. They
    are cooler to the eyes and offer better contrast. They are not
    available in a # 4 or 5 tinted lens. - rats !!! 

    First aid 

    If You manage to burn your eyes, two safe effective remedies I have
    used in the long ago past are - Cleaned, Peeled, and Grated Alo Vera
    plant leaf. - or - Irish Potato Apply to the closed eye / eyes
    overnight.
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