# Magnets for Plastics compounding & extrusion — Arrowmatics Magnets

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Tramp iron in pellets or regrind can damage screws, dies and moulds, and it is cheaper to catch it at the hopper. Hopper grate and drawer magnets suit gravity feed; bullet magnets suit pipelines and pneumatic conveying. Rare-earth separator designs we commonly quote sit around 10,000–13,000 gauss (typical; confirm per application).

## Which magnet fits?

- **Hopper grate** — Across the inlet of a hopper for pellets and regrind. (https://magnets.com.my/magnetic-separators.html#types)
- **Drawer magnet** — Multi-row capture under hoppers or before extruders. (https://magnets.com.my/magnetic-separators.html#types)
- **Bullet magnet** — In a pipe for pneumatic or gravity lines. (https://magnets.com.my/magnetic-separators.html#types)

## What to send for a quote

- Pellet or regrind size and flow rate
- Hopper or pipe size
- Photo of the inlet
- Temperature, if the material is hot

Size, grade, gauss and build are confirmed at quotation. No published RM prices or stock levels.

## Quick answers

### Which magnet for plastic pellets before an extruder?

A hopper grate or drawer magnet suits gravity-fed pellets; a bullet magnet suits a pipe or pneumatic line. Send the inlet size, pellet size and a photo, and we will recommend a type and quote it in writing.

### Can the magnet be made to fit our hopper?

Yes, sizes, housings and drawing-based builds are worth exploring; feasibility, size and grade are confirmed at quotation.

## Honest note

Size, grade and build are confirmed at quotation; no certificates are implied.