... customer with lower price, high and stable quality.barcode thermal transfer ribbonwax, wax/resin, resin---we could ... print head life to over 3,000,000 linear inchesChamber Test60°C (140°F) for 30 hours ... print head life to over 3,000,000 linear inchesChamber Test60°C (140°F) for 30 hours ... IPSBackcoatingExtend print head life to over 3,000,000 linear inchesChamber Test60°C (140°F) for 30 hours ...