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Type: Posts; User: Roger Koh

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  1. >>> Top-grain Italian leather upholstery. >>>...

    >>> Top-grain Italian leather upholstery.

    >>> Aniline leather has a natural look and soft, waxy finish that will scuff over time and develop a beautiful vintage patina with age and use.


    With...
  2. >>> What should I do? Let's see pictures . . ....

    >>> What should I do?

    Let's see pictures . . .

    #1
    9507


    #2
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  3. >>> 7-9A Color test looks too deep in color but...

    >>> 7-9A
    Color test looks too deep in color but the right color.
    What can we add to lighten it?

    Add Aniline-76 (clear) to lighten to the desired intensity.
  4. Thickener-48: The viscosity should be able to...

    Thickener-48:
    The viscosity should be able to sustain until the next day, otherwise add to readjust the optimum application.
  5. >>> As for the current paint removal (I was...

    >>> As for the current paint removal (I was curious if I would have to use a high grit sandpaper much akin to a scuff and shoot style job or use a "stripper" to remove the current dye). Would you...
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    Thank you! Like to see the last picture left...

    Thank you!

    Like to see the last picture left arm front before picture in progress . . .
  7. >>> just curious to hear your assessment and what...

    >>> just curious to hear your assessment and what should be done to bring it back up to par?

    The reasons for these worn lies in two factors:

    one is probably without an adhesion promoter...
  8. I should share with you the system requirement to...

    I should share with you the system requirement to have a lasting refinishing rather then brands which mean very little in terms of knowledge.

    Step-1 -
    Ensure that the existing finished is grease...
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    Yes, your leather type is the imitation "sauvage"...

    Yes, your leather type is the imitation "sauvage" or rather created just like creating a wall that look like natural marble.
    This are artistic work, and can use any tools and techniques to blend in...
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    Its most probably a two-tone finish you see from...

    Its most probably a two-tone finish you see from this link:
    http://www.leatherdoctor.com/2tone-37/
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    This marks is a color lost issue and further...

    This marks is a color lost issue and further wiping or buffing will worsen it.

    The color type has to be match up for a refinishing.

    Do you have a sample for color matching?
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    >>> How do I go about obtaining the donor fiber...

    >>> How do I go about obtaining the donor fiber that you mentioned?

    I have donate a piece enough for your repairs.


    >>> Does it come from scraping Patch-4S?

    No, What you need is a...
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    >>> How do I tell when the leather is above...

    >>> How do I tell when the leather is above 2000psi?

    The tensile-strength is realized only when put through a test in a leather chemist laboratory.
    The strength of the leather is originally...
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    >>> 1B: close: > 1C: closer: These close-up...

    >>> 1B: close: > 1C: closer:

    These close-up shows dryness of the leather, and need to proceed with Step-2 prior to the piping repairs in Step-4.

    Step-2 - Leather Rejuvenating System:
    The...
  15. >>> 1. Should I leave the leather as it is and...

    >>> 1. Should I leave the leather as it is and just protect and reinforce the vachetta or is it optimal to strip the leather of the previous products I have repeatedly applied (saddle soap +...
  16. >>> 3b: water stain that got lighter but spread...

    >>> 3b: water stain that got lighter but spread out quite a bit.

    pH Balancing:
    This lighter stains has to do with denaturing of the leather from alkaline over exposure.
    The remedy is to bring...
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    >>> We need to strip them down Use...

    >>> We need to strip them down

    Use Stripper-2.3 (leather-safe) for stripping unwanted finishes.
    And a stripper brush (StrippingBrush-9
    http://www.leatherdoctor.com/strippingbrush-9/
    helps...
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    >>> Is this an issue with the pigment because it...

    >>> Is this an issue with the pigment because it is a “discontinuous” film?

    The issue is the leather structure and nothing to do with any finishing coatings.

    Most likely it was not rejuvenated...
  19. Will do. Please post your progress for...

    Will do.

    Please post your progress for potential trouble shooting on time . . .
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    >>> how does its “faux leather” hold up "Faux...

    >>> how does its “faux leather” hold up

    "Faux Leather" or vinyl has not history of peeling.

    It is the "Laminated Leather" or "Bicast Leather" that peeling is the common issue.

    It is the...
  21. >>> What dye will we need? To replicate the...

    >>> What dye will we need?

    To replicate the original dyeing process, this is the recommendation:

    A1- Deep staining the suede structure, use Suede-17 (transparent dyestuff).

    A2- Dye fixing...
  22. Thread: Help !

    by Roger Koh
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    The leather finishes need to be positively...

    The leather finishes need to be positively identified, so that repairs returns back to original.

    This is aniline dye.

    And here a the varieties: Aniline Wax Pull-up, Aniline Waxed, Aniline...
  23. First, unless there is a label that says “machine...

    First, unless there is a label that says “machine washable” this sheepskin is probably alum-tanned.
    And the machine rinsing also removed the tanning agent, thus reverting to rawhide.
    ...
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    View Post

    >>> Iím in need of suggestions for restoring the surface of my sofa cushions.

    What appears on the surface is the result of dryness of the leather structure and it has to be restored from within...
  25. >>> HideBrush-4 Only good for surface cleaning...

    >>> HideBrush-4
    Only good for surface cleaning and grooming, to go deeper you will need a slicker brush.


    >>> Terry towel
    A white cotton terry towel is used to extract during degreasing,...
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