Control
High-Density Polyethylene HDPE
Article REF: AM3315 V2
Control
High-Density Polyethylene HDPE

Author : Christian PENU

Publication date: July 10, 2025 | Lire en français

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3. Control

3.1 Control methods

The structural parameters of high-density polyethylene are measured using laboratory techniques of varying degrees of sophistication.

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3.1.1 Crystallinity/density

The degree of crystallinity can be measured by differential thermal analysis, X-ray diffraction or infrared spectroscopy. Indirectly, density measurement provides an estimate of crystallinity. Routine checks focus on density measurement. This is carried out in accordance with NF/EN ISO 1183. In most cases,...

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