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GLH Hardener is recommended for use with Marabu Glass GL Inks and the MGLH Hardener is recommended for use with Marabu Glass TPGL. Add hardener to the ink immediately before printing: 1 part of hardener to 20 parts of the ink (5%). After mixing, the ink can be used for 8-10 hours. GLH Hardener is available in 50g bottles and the MGLH is available in 100g bottles.
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🇺🇸 Ship from USA · On Agora since 2026
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