ฝัง
- เผยแพร่เมื่อ 2 ก.ค. 2024
- We discuss what a painting medium is, it's component parts, how to make a simple painting medium from raw materials and how to use a medium in your paintings. There's also a quick demonstration of how to make damar concentrate if you're into that sort of thing.
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Thank you for this lesson! A few questions: what does the resin do mixed in with stand oil? Why wouldn't you use only oil (for this kind of fluidity-looseness-purpose), or oil and turpentine together? Does only oil or oil and turps mixed together work differently for example with glazing?
Hi Kaisla, thank you for the question. A resin added to an oil stabilizes the oil. If you have a paint layer with too much oil, a new paint layer will split and separate over it. A tiny addition of resin eliminates this and allows layering without this problem. Different resins also have different handling qualities that you might want to bring to the paint. Venice Turpentine, for instance, levels just like stand oil, so they work beautifully together.
Oil, added to paint is a binder. Not a medium. A medium has at least an oil and a resin. Adding more oil to your paints is okay in very small amounts, but too much and the paint is too oily, becomes brittle and the painting will fall apart. Never break the 80% rule! Don't dilute your paint for glazes. This breaks the 80% rule, ruins the handling of the paint and creates an underbound and weak paint film.
@@shamback7575 Thank you a lot for the throughout answer! I've been using only linseed oil to thin my paints, and in small amounts it has worked well. I tend to overuse it, though, so I really have to keep the 80%-advice in mind. Do you by the way happen to know if there are any dammar mixes which would have no turpentine in them? I'm trying to slowly change my work space to be as non toxic as possible :) thank you again for all this valuable help.
@@kaislakuurama Turpentine is the only thinner that dissolves damar. If you're trying to keep things thinnerless, you can try a resin that is cooked in oil like amber or copal. www.jamescgroves.com has excellent oil resins that you can mix with any linseed oil and leave out the thinner.