Ferro CerMark® ULTRA Laser Marking Paste for Glass and Ceramics
CERMARK LMC6044P Premium Black for Glass and Ceramic 50g. | eBay
Cermark on Glasses - struggling to get a clean & smooth marking. Is it the nature of pitting in lasered glass? (45W FullSpectrumMuse CO2 Laser) : r/Laserengraving