What should I do if the straws produced by the PLA straw making machine are not round enough?
In the process of using PLA straw making machine s to produce straws with PLA biodegradable materials, why is there always the problem of elliptical or insufficient roundness? This issue not only affects the appearance of the straws but also impacts their functionality and consumer satisfaction. In this article, we will explore the reasons for the occurrence of non-round straws in PLA straw production, the effects on production, and solutions to address this problem. The reason why PLA straws are not round Non-round PLA straws can be caused by a variety of factors, such as inconsistent material flow, uneven cooling, or improper mold design. These defects not only affect the appearance but also impair the functionality of the straw, which may affect the user experience. 1. Material characteristics Compared to traditional PP (polypropylene) materials, PLA (polylactic acid) is a biodegradable thermoplastic with complex compositions. Different manufacturers add differe...