Air bubble growth can be detrimental to ink jet print head functioning. The proper selection and combination of barrier materials allows for minimal bubble growth. Complimentary functional and processing properties and characteristics must be considered in the design of ink jet tubes for a successful application.
Donald G. Curran, "Ink Jet Tubing Application Requirements, Material Selection and Processing" in Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP23), 2007, pp 341 - 345, https://doi.org/10.2352/ISSN.2169-4451.2007.23.1.art00080_1