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Hi. Could you please help to find right procedure to seal these wrinkles? They are not very noticeable on the front, but quite visible on the back. First of all, could they result in cracks? Maybe they are normal and nothing is necessary to do? Thanks.
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>>> First of all, could they result in cracks?
Take a fatliquor moisture content with a leather moisture meter or an equivalent wood moisture meter.
If the reading shows less than 5% it is possible due to the leather cracking.
Optimum moisture meter reading is up to 14%.
>>> Could you please help to find right procedure to seal these wrinkles?
Replenishing the fatliquor moisture content up to 14% would possible lessen it from possible exaggerating the problem when the leather is presently being too dry. Prior to fatliquor replenishing the leather fiber structure need to be relaxed and sticking together fibers open up with Hydrator-3.3. While hydrating the leather is check for any tacky or slimy feel. Tackiness or sliminess is a sign of leather denaturing to reverting to rawhide and will need to be pH balanced with Acidifier-2.0 until it returns a squeaky feel.
>>> Maybe they are normal and nothing is necessary to do?
The opening or cracking of the leather is a potential for the leather to rip or tear as the strength is compromised.
A simple repair after replenishing the leather with Fatliquor-5.0 and dry is with Bond-3D to heal the opening gaps.