Products · free-flow
Octabins, for everything that refuses to empty from a corner.
- Common diameters
- 38″ and 44″
- Common heights
- 36″, 42″ and 48″
- Availability
- Through partner suppliers
Ask about octabins
Octabin supply often follows resin production runs. Tell us the diameter, height and monthly volume.
Answer first
Rounded corners are the whole point.
An octabin is a bulk container with eight faces rather than four. The geometry does two things: it stops free-flowing material from bridging and packing into a square corner, and it distributes hoop stress around the body instead of concentrating it at four vertical creases. For resin pellets, compounds, powders, granulate, seed and anything else that behaves like a fluid, that is often worth the extra cost per unit.
The trade-off is cube. A 44-inch round bin on a 48 × 40 pallet holds noticeably less volume than the square gaylord occupying the same footprint. If your material is hand-packed, mixed or non-flowing, the square box is usually the better buy.
Sizes
Common sizes, and what fits them.
| Size | Wall | Cu ft | Gallons | Stack | Typical material |
|---|---|---|---|---|---|
| 44″ round × 36″ | Triple wall | 31.7 | 237 | Ask supplier | Resin pellets, compounded granulate |
| 44″ round × 48″ | Triple wall | 42.2 | 316 | Ask supplier | High-volume compounding, masterbatch |
| 38″ round × 42″ | Triple wall | 27.6 | 206 | Ask supplier | Powders, additives, two-abreast loading |
| Base tray, 48 × 40 | Triple wall | — | — | — | Often sold separately, often outlasts the body |
| Telescoping cap | Double or triple | — | — | — | Dust, moisture and tamper protection |
Getting more lives out of one
Four habits that extend an octabin's working life.
- 01
Discharge without cutting
Tip, vacuum or remove the cap rather than cutting a port. A cut body is usually a single-use body.
- 02
Keep the base dry
Bases sit on concrete and wick moisture. A slip sheet or a dry pallet is the cheapest life extension available.
- 03
Band before storing
An empty octabin left loose goes oval and rarely squares again. Banded flat, it keeps its geometry much better.
- 04
Pass on the rejects
Even a cut body is often sound board. Corrugated is widely recycled where facilities accept it.
Questions
Octabins, answered.
Why choose an octabin over a square gaylord?
What are octabins made from?
How much does an octabin hold?
Can octabins be reused after a discharge cut?
Components
A bin is three products, and they wear out at different rates.
Buying complete sets when you only need bodies is a common way octabin buyers overspend. Ask whether a supplier will sell components separately.
- Body
- The eight-sided sleeve, usually triple wall. This is what wears. Cut discharge ports end its life; tipping or cap removal does not.
- Base tray
- Sits on the pallet and locates the body. Often outlasts more than one body. Not fully interchangeable between manufacturers, so measure yours.
- Telescoping cap
- Protects the top edge and keeps dust and moisture out. Often the longest-lived component of the three.
- Liner
- Round liners have fewer sources than gusseted square ones. Specify the diameter and fill height, not the box size.
- Pallet
- Standard 48 × 40 GMA in almost every case. The base tray spreads load but the pallet still needs to measure true.
- Banding
- Some operations band the body to the pallet for transit. Use corner protection or the strap cuts the top edge.
Discharge
Five ways to empty one, ranked by what they cost you.
How you discharge an octabin decides whether you get more trips out of it or none. It is the highest-leverage decision in round-bin handling.
- 01
Remove the cap and tip
Best outcome. No damage to the body, full discharge with the rounded geometry doing the work, and several more trips possible. Needs a tipping frame, which is a one-off cost.
- 02
Vacuum or auger from the top
Excellent for fine material. Body untouched, little residue, and the bin can be refilled straight away. Common in compounding operations.
- 03
Lift the body off the base
Works where the base tray stays with the pallet. Slightly awkward with a full bin but leaves both components intact.
- 04
Cut a discharge window, tape it back
A compromise. The body may make one more trip with a patched window, but the structure is compromised for stacking.
- 05
Cut a full port in the body
Single-trip decision. The bin is finished as a container. The board can go to corrugated recycling where facilities accept it.
Materials
What people put in them.
Density, flow behaviour and abrasion decide the liner gauge and the wall. These are common combinations.
| Material | Wall | Typical liner | Watch for |
|---|---|---|---|
| Virgin resin pellets | Triple | 3–4 mil | Dust and cling in dry winter air |
| Compounded granulate | Triple | 4 mil | Contamination between batches |
| Masterbatch | Triple | 4 mil, opaque | Light sensitivity on some grades |
| Fine powders | Triple | Foil or heavier poly | Dust on fill |
| Mineral fillers | Triple | 5 – 6 mil | Abrasion tearing light liners |
| Regrind, fine fraction | Triple | 5 mil | Sharp fragments cutting the liner |
| Seed and grain | Triple | 4 mil | Moisture, always |
Resin volumes are seasonal. Plan ahead.
Tell us your monthly bin count and a partner supplier follows up on what is available against it.