Density & Bulk Density Testing
Density and bulk-density testing help confirm polymer identity, support separation and predict feeding and packaging behaviour.
Density & Bulk Density Testing
Material density aids polymer identification and sink-float separation, while bulk density describes how the recyclate packs in a given volume — important for feeding, transport and storage planning.
How we handle it, step by step
Choose the appropriate density measurement approach.
Determine material density on a representative sample.
Assess how the form packs by volume.
Relate results to identity and handling.
Your deliverables
Density & Bulk Density Testing — questions we get
Why measure bulk density?
It predicts how material feeds and how much fits a given volume for transport and storage.
Can density identify polymer?
Density narrows identification and drives sink-float separation, though it is best combined with other checks.
Keep exploring Recycled Polymer
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