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Thread: Can you define " clay "

  1. #1
    Regular Member babisskg's Avatar
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    Default Can you define " clay "

    You might find my request from outer space but English is not my native
    language so...
    Have read carefully the topic about car detailing but can't understand what
    is " clay " ?
    Need your explanations , photos perhaps why not .

    Thank you in advance

    babisskg

  2. #2
    Regular Member darko2301's Avatar
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    Default

    well, here is the guide from detailing world..

    Quote Originally Posted by Detailing World
    A product that has recently come to promenance in the world of detailing is Detailing Clay. In this thread I aim to write a general guide to what clay is, what its used for and some generic tips for how to get results from clay. I will focus on the use of clay for the removal of bonded contaminants.


    What Is Detailing Clay??
    While clay is growing in popularity with many detailers now, it has certainly not become a well known "household" car detailing product. Detailing clay is a substance that is designed to remove bonded contaminatns from paint, leaving the paint smooth as glass, allowing easier and more fruitful applications of polihses, glazes, sealents and waxes. Detailing Clay is wiped gently across the paint which needs to be lubricated with a lubricant such as a Quick Detailer spray.

    Clay, like polishes, comes in levels of aggressiveness - if you are a beginner with clay, do start with a mild clay such as Meguiars Quik Clay, Meguiars Professional Mirror Glaze Clay (mild, the blue bar) or Sonus Green Clay. These mild clays should be enough to remove bonded contaminants from most cars, only step up to a more aggressive clay if absolutely needed.

    Clay can be used on paintwork, glass, and wheels. Always use separate clay on each - ie dont first clay your wheels then use the same clay to clay your paint, as all the brake dust embedded in the clay from the wheels will scratch the paint.


    What Are Bonded Contaminants??
    When you come to wash your car, the paint will be covered in lots of fresh contiaminats such as dust, mud, possibly bird boms and many others. In addition, the paint will also have a growing amount of bonded contaminants attached to it, which accumulate over time:



    When you wash your car, the fresh contaminants are removed from the paint and the paintwork looks clean. However, washing will leave behine the bonded contaminats which are attached to the paint as if they had been glued on:



    These bonded contaminats are hard to see, so after washing your paintwork looks clean. However, if you gently run your fingers acorss the paintwork you may feel that the paintwork feels rough - a bit like stubble in a way. This roughness, grittiness that you are feeling is the bonded contaminants in the paint.

    Examples of bonded contaminants are:

    > Brake dust - sharp, so embeds itself in the paint
    > Industrial fallout
    > Tree sap - very sticky so adheres strongly to the paint

    and there are many others as well which you're car is subjected to on a regular basis.


    Removing Bonded Contaminants - Clay
    In order to remove the bonded contaminats and restore a glassy smooth feel to the paint, detailing clay is used. As well as leaving a pleasingly smooth feel to the paint, when you come to polish, glaze, seal or wax, it means that you are now sealing in remaining bonded contaminants if you have removed them by clay. Simply washing and waxing will not remove bonded contaminants, they will be left behind and then just waxed over.

    Clay basically works by grabbing hold of the bonded contaminants and pulling them off of the paint surface:



    The contmainats become stuck in the softer clay where they remain. A safety note when using clay here - these bonded contaminats are stuck into the clay and the clay represents a flat surface. Therefore, surface marring can occur if not enough lubricant is used, or the clay is not kneaded regularly enough to a clean side - please see also the section on using clay...

    This leaves the paint finish glassy smooth. Clay can remove the bonded contaminants listed above, however some adhesive contaminants such as tar may need a dedicated tar remover as they are very highly adhesive.


    Using Clay
    Before claying, always wash fresh contaminants off of the car. First and foremost, always follow the manufacturers instruction for the correct use of their detailing clay. What follows here is a generic guide of tips for the safe use of clay which I use from experience of using clay.

    To clay your car, you will need a clay bar and an associated lubricant to lubricate the surface and the clay bar - examples of such lubricants are:

    > Meguiars Quick Detailer Spray
    > Meguiars Last Touch Detailing Spray
    > Meguiars #34 Final Inspection
    > Clearkote Clay Lubricant
    > Pinnacle Poly Clay Lubricant

    and there are others that can be used too.

    About 40 - 50g of clay is sufficient to clay a moderately sized car. If using Meguiars Quick clay, for example, break off one third to one half of the clay bar (the bigger the car, the more clay you may need).

    Roll the clay up into a ball, then out into a sausage shape and finally flatten it out into the palm of your hand. When doing this ensure that the clay is warm and quite soft. It clay gets cold, it can be hard or brittle and this can risk inducing surface marring on the paint. Throughout the claying process, always ensure that the clay remains nice and warm and doesn't go brittle or hard.

    Work on small areas at a time, I start with the roof, and then the bonnet, then the top half of the sides, then the boot, then the bottom half of the sides (like washing, do the cleaner areas first). I always spray a panel with quick detailer and wipe off before claying it to remove and rogue dust particles that may have blown onto the paint that may induce marring.

    Work on small areas of paintwork at a time - about 2' by 2'. Spray the area with the clay lubricant, enough to wet the surface quite thoroughly. Also spray the clay with lubricant as well. Gently wipe the clay in a fore and aft motion over the lubricated area using only finger light pressure:



    Never clay over a dry area of paint, and if the paint begins to dry out before you are happy that the surface contaminants have been removed (paint will feel smooth), spray on more lubricant. Keep the clay lubricated as well. Once the paintwork feels smooth, gently wipe the remaining clay lubricant away using a soft microfibre towel.

    Knead the clay very regularly - this not only keeps the clay warm, but when kneading expose a clean side of the clay. Remember that clay is picking up sharp particles, if you do the whole car with one side of clay you will induce surface marring as all the sharp particles stuck in the clay will ineveitably come into contact with the paint. For this reason, knead the clay regularly and only ever use finger light pressure. When a clean side of clay can no longer be revealed, discard the clay.

    Continue until the car is completed. Note that many clays will remove some or all (depending on aggressiveness) of the wax/sealent protection, so always follow up claying with polishing and glazing if required, followed by sealing and/or waxing.


    Some Notes on Safe Clay Use
    Clay is safe to use if used with care. However, if not used with care it can induce surface marring.

    Always regularly knead the clay to a clean side.

    Always keep both the clay and the paint surface well lubricated.

    Use only finger light pressure

    If you drop the clay on the ground, discard it as it will pick up tons of dust and grit and dirt from the ground that will inflict damage to paint.

    Keep clay warm, and supple - if it gets cold, hard and brittle it will induce marring, so another reason to keep kneading regularly, especially in winter.



    And there we have it, a quick generic starters' guide to clay.
    HTH

  3. #3
    Regular Member babisskg's Avatar
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    Default Clay explanations

    Thank you very much for the very detailed guide on using this product . A
    few questions after the above still exists for me .
    I imagine " clay " as some kind of a soap , something sticky perhaps like
    the " tak " adhesive , correct me if necessary .
    Why you say " it needs to be worm " ? For the reason of not having something in your hands like stone ?
    I' m not understanding quite well the need for " lubricating " the metal
    surface so can you give me an instruction on quantity of lubricant ( water
    thickness , less perhaps ? ) . Is it useful to lubricate both clay and metal ?

    Thank you

    babisskg

  4. #4
    Regular Member rushy's Avatar
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    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 110000

    Default

    You warm the clay bar to keep it soft, too hard and it could harm the clear coat. You want as little drag on the paint surface as possible so the lubricant helps it glide across the paint. When you buy the Megs clay kit it comes with the lube, or you can make your own with car wash.

    THIS vid should help you mate.

  5. #5
    Regular Member babisskg's Avatar
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    Default " Clay "

    Thank you for your response . Very good explanation even for me but can
    you reply to my last question , that is the method of having clay clean after
    use .
    You plaster it in your hands in order to have a clean surface ? something
    else perhaps like cutting it in slices ?

    babisskg

  6. #6
    Regular Member Gortreck's Avatar
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    Default

    If you watch the video linked by rushy you will see what is meant by it The video is a great demonstration as how to use the clay

    Thanks
    Tony

  7. #7
    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 110000

    Default

    The clay bar you buy is usually too big, so cut it into 3 to 4 bits. When you rub it over the paint it will pick up dirt. Simply your just folding the clay in half so the dirt is trapped inside itself. Once the clay gets to dirty to fold a clean surface then throw it away and use a clean bit. HTH

  8. #8
    Regular Member Vauxhall Thru & Thru's Avatar
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    Default

    lol. And I've seen threads about this forum 'not being the place it used to be'. Probably the most helpful replies to a question you could find on the web.
    Well done guys

  9. #9
    Regular Member babisskg's Avatar
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    Default " Clay "

    Thank you again for your patience . Trying to see the video now . Next
    step to the car itself .
    Really helpful for me and not only for the technical part but for your
    instructions to .

    babisskg

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