HDPE regrind, trim and off-spec parts
High-density polyethylene from blow moulding, injection moulding and pipe extrusion. Buyers need the processing grade as well as colour and contamination.
What it is
Trim (flash), regrind, purgings and rejected parts from bottles, containers, crates, pipe and sheet.
Typical sources
- Blow moulders making bottles and drums
- Pipe and profile extruders
- Crate and pallet moulders
- Sheet extruders
What buyers need to quote
- Processing grade: blow moulding, injection or pipe/extrusion
- Colour
- Form: trim, regrind, purgings or parts
- Labels, printing or other polymers present
- Tonnes per month and packaging
Photo tips
- Close-ups of trim and regrind
- Each colour lot
- The packaging
What raises its value
- Grades and colours kept separate
- Natural or white rather than mixed colours
- No labels or caps made of other materials
Common reasons for rejection or downgrade
- Grades with very different melt flow mixed together
- PP caps or other polymers
- Dirt and moisture
Specifications vary by buyer. The final grade is agreed between you and the buyer against the buyer's specification or recognised industry specifications such as ReMA (formerly ISRI).