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COLOURLOCK GLD Solvent Cleaner ND,
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$59.99
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For light-coloured smooth leathers or artificial leathers, discolouration can occur from items like jeans, belts, bags (both leather and fabrics), or pens. These stains are common on furniture and vehicle upholstery. If not promptly cleaned, the dyes can penetrate the surface and become impossible to remove with regular cleaners. The GLD solvent ND can be used to attempt the removal of such stains when gentler cleaners have failed.
Important: GLD ND is an acidic solvent-based product and must be used with caution. It has a dissolving effect and can strip pigment layers if not applied gently and carefully. After use, the surface must always be neutralised using COLOURLOCK Strong Cleaner to stabilise the pH and prevent ongoing surface reaction. GLD ND should only be used precautionarily and by users who understand the risks of pigment removal.
Typically, 250 ml of GLD ND is sufficient as it is a specialised cleaner with a dissolving effect. For experienced users requiring larger quantities, the litre of GLD ND is recommended.
APPLICATION
Depending on the material, start by attempting to clean the surface with Leather Cleaner Strong or Cleaner for Artificial Leather. If unsuccessful, apply some GLD ND to a microfibre cloth and carefully clean the surface. Always test on a hidden area first. Some surfaces are easily dissolved (furniture leather), while others react more subtly (car leather, artificial leather). Carelessness with GLD ND can worsen the problem.
When using GLD ND, the upper layer of leather colour is dissolved. Some leather dye may also be removed while trying to remove the discolouration, which will be visible on the cloth. Be cautious not to completely remove the colour layer. This product can strip down pigment layers without gentle use and must be handled carefully.
Immediately after completing the treatment with GLD ND, neutralise the treated area using COLOURLOCK Strong Cleaner. This step is essential, as GLD ND is acidic and failure to neutralise may compromise the leather finish over time.
If colour removal occurs or the discolouration cannot be fully eliminated, these areas must be retouched with suitable Leather Fresh dye. Before cleaning with GLD ND, smooth roughened areas with COLOURLOCK Polishing Pad 4000. In approximately half of the cases, GLD ND alone is sufficient and colour matching is unnecessary. The more severe the discolouration, the higher the likelihood of requiring colour matching with Leather Fresh dye.
Artificial leather is more challenging to clean than genuine leather.
To prevent further discolouration, regularly protect the surface with COLOURLOCK Leather Shield. This product reduces dye penetration into the surface. To be safe, treat all previously unaffected contact surfaces with Leather Shield. However, the shield should only be applied to surfaces previously cleaned with Leather Cleaner Mild or Strong.
