A printing device including an inkjet head 134 including a nozzle plate 3, where the printing device is configured to eject an ink from the inkjet head 134 and the ink includes a colorant, at least one organic solvent, and water, wherein a dynamic surface tension A of the ink at 25°C with a surface lifetime of 15 msec as measured by a maximum bubble pressure method is 34.0 mN/m or less, and the dynamic surface tension A and a static surface tension B of the ink at 25°C satisfy a formula below, 10.0%≥A−B/A+B×100≤19.0%, and wherein a receding contact angle of the ink relative to the nozzle plate 3 is 35° or greater.
一种打印设备,包括喷墨头134,喷墨头134包括喷嘴板3,其中打印设备被配置为从喷墨头134喷出墨
水,墨
水包括
着色剂、至少一种有机溶剂和
水,其中通过最大气泡压力法测量的墨
水在25°C时表面寿命为15毫秒的动态表面张力A为34. 0 mN/m 或更小,且油墨在 25°C 时的动态表面张力 A 和静态表面张力 B 满足下式,10.0%≥A-B/A+B×100≤19.0%,其中油墨相对于喷嘴板 3 的后退接触角为 35° 或更大。