Q
hdpe shrinkage
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
HDPE (High-Density Polyethylene) shrinkage refers to the process by which this thermoplastic contracts during cooling post-molding. The shrinkage rate for HDPE typically ranges from 1.5% to 4%, influenced by factors such as the material's flow direction, wall thickness, and molding conditions. Managing shrinkage is crucial for producing dimensionally accurate parts. Designers often compensate for expected shrinkage by adjusting the dimensions of the mold accordingly. Proper material selection, tool design, and processing parameters (like cooling time and temperature control) are key strategies to minimize undesired dimensional changes and achieve high-quality HDPE products.
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