| 摘要 |
<p>The invention provides an image forming liquid cartridge including a container having an opening portion from which an image forming liquid is fed or discharged; a cap portion connected to the opening portion; and an image forming liquid contained in the container, the image forming liquid including a colorant, urea and water, and having a pH of 7.5 or more, wherein the cap portion includes a sealing portion that seals the opening portion, a contact portion provided at the center of the sealing portion, and at least one first breakage portion that extends from the contact portion to an outer periphery of the sealing portion, and has a thickness of from 0.1 mm to 0.5 mm, the thickness of the at least one first breakage portion being smaller than a thickness of the sealing portion.</p> |
