Is it ok to use those type of car glass restorer ....

Thread: Is it ok to use those type of car glass restorer ....

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  1. #1
    Member GMT-II's Avatar
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    Is it ok to use those type of car glass restorer ....

    Is it ok to use those type of car glass restorer or glass polisher found in petrol kiosk on yr watch glass surface for protection and polishing?

    I wanted to remove scratch on my watch surface glass...

  2. #2
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    Off topic Re: Is it ok to use those type of car glass restorer ....

    Quote Originally Posted by GMT-II View Post
    Is it ok to use those type of car glass restorer or glass polisher found in petrol kiosk on yr watch glass surface for protection and polishing?

    I wanted to remove scratch on my watch surface glass...
    If your watch crystal is plain glass then you may benefit from such a product as you have described. However, if your watch crystal is mineral crystal or sapphire I doubt you will see any improvement in scratches as these material are several times harder than standard glass. Most windshield glass scratch removal products are cerium oxide based. See the absolute hardness scale with the materials in question inserted in RED.

    To polish or remove scratches the abrasive must be harder than the surface it is being applied against.

    Value Mineral
    1 Talc
    3 Gypsum
    9 Calcite
    21 Fluorite
    48 Apatite
    --Window Glass is about here
    72 Orthoclase -- Cerium oxide is about here
    100 Quartz --a Mineral Crystal is here
    200 Topaz
    400 Corundum (Sapphire) --a Sapphire crystal is here
    1600 Diamond

    I hope that answers your question.

    -watchbandrenew

  3. #3
    Member GMT-II's Avatar
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    Re: Is it ok to use those type of car glass restorer ....

    Quote Originally Posted by watchbandrenew View Post
    If your watch crystal is plain glass then you may benefit from such a product as you have described. However, if your watch crystal is mineral crystal or sapphire I doubt you will see any improvement in scratches as these material are several times harder than standard glass. Most windshield glass scratch removal products are cerium oxide based. See the absolute hardness scale with the materials in question inserted in RED.

    To polish or remove scratches the abrasive must be harder than the surface it is being applied against.

    Value Mineral
    1 Talc
    3 Gypsum
    9 Calcite
    21 Fluorite
    48 Apatite
    --Window Glass is about here
    72 Orthoclase -- Cerium oxide is about here
    100 Quartz --a Mineral Crystal is here
    200 Topaz
    400 Corundum (Sapphire) --a Sapphire crystal is here
    1600 Diamond

    I hope that answers your question.

    -watchbandrenew
    Thanks for yr informative reply. I did have a mineral crystal watch which scratch badly. But most of the watch I need to remove scratch is plain glass which Cerium oxide shall be able to remove.

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