Twin-screw extrusion is the preferred method for compounding PLA and other biopolymers. But processing PLA is complicated because it’s sensitive to heat and shear. It’s also prone to hydrolytic degradation if moisture is present in molten PLA. Here’... ArticlePublished: 3/21/2014
Gauging systems have an often-overlooked but equally important role beyond measuring web thickness: They can be used as a diagnostic tool to troubleshoot the process. Here's how. ArticlePublished: 2/25/2014
Specks are a common problem in extrusion, and avoiding them requires a two-pronged approach: First, figure out how many specks are in the incoming raw material; then minimize those caused during the extrusion process.