The tin of Neatsfoot oil I have clearly states that it does not rot stitching. But perhaps not all brands are the same.
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I think it depends on the concentration as some are compounds .
Modern neatsfoot oil is still made from cattle-based products, and is sometimes criticised for a tendency to oxidize and therefore contribute to the deterioration of leather.
This formulation does darken leather, which means that use on light-colored leather is likely to change its color If mineral oil or other petroleum-based material is added, the product may be called "neatsfoot oil compound".
Some brands have also been shown to be adulterated with rapeseed oil, soya oil, and other oils. The addition of mineral oils may lead to more rapid decay of non-synthetic stitching or speed breakdown of the leather itself.
Last edited by bighit; 07-10-2020 at 01:22 PM.
I have tried to rejuvenate old leather for years now. Pretty well given up.
If the leather is too far gone by having dried out over time and 'died" then its basically powdered and holding together by luck. Such leather can be polished with a cream wax, and looked at. Don't use the items as they will fall apart very fast.
Dead leather is just that and no amount of oil is going to fix it. The fibres have lost all integrity.
"Living" leather needs to be fed, at least every year if not more often.
Modern leathers are cured with modern hydrocarbon and silica potions; feed them modern potions. Older leather were cured with animal products, so feed them with traditional potions, waxes, like beeswax.
Neatsfoot or dubin are fine though the former dulls leather and takes yonks to get a shine back. Look out for saddlery leather products. Regular application and use keep leather supple. Eventually the fibres will break down at stress points, whatever you use. Leather is a consumable.
The Wet, and fast drying from wet draws out the oils that keep the leather healthy. Maintenance is getting oils back into those fibres before they collapse and powder away. Doesn't take long for dry leather's fibres to break themselves up by their own friction, so replace oils often. What lubricant isn't so important.
"Feed" that leather often. Can take hours to sink in.
I use whatever potion I think might do good. I have a bunch of potions. Sorry non I can recommend as non are some miracle cure.