Members Harry Marinakis Posted March 18, 2021 Author Members Report Posted March 18, 2021 On 1/5/2021 at 8:00 PM, Vikefan said: Harry Marinakis (The following vegetable dyes do not require a mordant: indigo, lac, walnut, woad.) 2. The following vegetable substrates are proven leather dyes, but generally they are not wash-fast or sun-fast: (WHAT DOES this mean? I dyed my leather, but when I wet it to mold, the dye color I had, washes off. Why is that? Vikefan Not wash-fast means the dye is water-soluble and will wash out if the leather is wetted. Not sun-fast means that the dye will fade rapidly in left in direct sunlight. Quote
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