These cool Bister Patina sprays by Powertex are great for adding aged and patina effects to paper, clay, mixed media, and more.
Please note that Bister is not waterproof and always needs to be finished with a varnish for outdoor artwork. Also important to know... the pigments are very strong. Powertex recommends that you wear gloves or use hand cream to protect your hands to prevent or minimize staining or irritation (it will also wash off easier.)
Please note that Bister is not waterproof and always needs to be finished with a varnish for outdoor artwork. Also important to know... the pigments are very strong. Powertex recommends that you wear gloves or use hand cream to protect your hands to prevent or minimize staining or irritation (it will also wash off easier.)
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