Sizes · bases
The base under the bottle decides how you live with the tote
Buyers agonise over grades and then accept whatever pallet arrives. That is backwards: the base determines hygiene, handling, racking behaviour and whether the unit survives a wash-down area — and on many designs it can be changed.
Specify your base type
Tell us the environment — food plant, wash-down, outdoor, racked — in a free, no-obligation quote request. A partner supplier follows up.
Base types compared
| Attribute | Wood | Composite | Plastic | Steel |
|---|---|---|---|---|
| Relative weight | Medium | Medium | Lightest | Heaviest |
| Fork entry | 2-way, sometimes 4 | Varies by design | Varies by design | Varies by design |
| Wash-down suitable | No | Acceptable | Excellent | Good |
| Food plant suitable | Generally not | Case by case | Yes | Case by case |
| ISPM 15 relevant for export | Yes | Only if it has a wood deck | No | No |
| Absorbs spills | Yes | No | No | No |
| Outdoor durability | Poor | Good | Good (UV fades) | Excellent |
| Repairable | Yes | Often | Rarely | Yes, weldable |
Choosing a base in thirty seconds
- Food, beverage, pharma, cosmetic or clean room: plastic. Wood holds moisture and pests, and composite frames with exposed steel can corrode in wet areas.
- General industrial, racked, indoors: composite. A good balance of weight, durability and availability.
- Outdoors, yard storage, agricultural: steel. It copes with rain and UV better than the alternatives.
- Short-term, lowest cost, non-critical: wood. Serviceable for site water and units heading for retirement.
- 550 gallon and larger: steel skid, no choice involved.
The swap nobody thinks about
Bases are interchangeable on many designs. If you have composite-based totes and are moving into a wash-down area, swapping to plastic bases can be an alternative to replacing the totes. Partner suppliers who do reconditioning can quote a base swap; pricing is by quote.
The wooden pallet problem in food plants
Wood in wet areas absorbs product, is hard to sanitise reliably, can splinter and can harbour pests. Many food-safety programmes discourage or exclude it from processing areas.
If a food-grade tote is offered on a wooden pallet, ask why — and check your own food-safety requirements.
Questions people actually ask
Can I change the pallet on an IBC tote?
On many designs, yes. The bottle and cage lift off the base and a replacement bolts or clips in. On a UN-marked unit, check whether the change affects its status for regulated transport.
Which pallet is best for racking?
Composite or steel are the usual choices for rigid support across the bay. Plastic can be racked, but check the unsupported span rating for your beam spacing.
Do wooden bases need ISPM 15 treatment for export?
Yes. Wood packaging in international trade generally has to be heat-treated (a core temperature of 56 °C for 30 minutes) or fumigated and marked. It is one more reason plastic or steel is simpler for shipments across borders.
Common base failure modes
| Failure | Base type | Cause | Prevention |
|---|---|---|---|
| Deck splintering | Wood | Moisture and forklift impact | Switch to composite or plastic |
| Frame corrosion at welds | Composite | Coating breach plus wash-down | Plastic base for wash-down |
| Deck cracking | Plastic | Cold impact, point loading | Level, full-support storage |
| Fork pocket deformation | All | Fork tip strikes | Fork-height discipline |
| Base-to-cage fastener loss | All | Vibration in transit | Check on receipt |
| Runner separation | Wood | Nail pull-out | Retire wood from regular use |
| Coating loss | Steel | Abrasion and chemical splash | Re-coat during reconditioning |
| Warping | Plastic | Heat plus uneven support | Avoid storing near heat sources |
ISPM 15, export and the wood question
If your totes cross an international border, the base material stops being a hygiene preference and becomes a customs matter.
ISPM 15 requires that wood packaging material used in international trade be heat treated (a core temperature of 56 °C for 30 minutes) or fumigated, and marked accordingly. An untreated or unmarked wooden base can see a shipment refused, treated or destroyed at the border.
Bases with no solid wood — plastic, steel, and composite without a wood deck — are outside ISPM 15, which is a practical advantage for anyone exporting.
The other reasons wood keeps losing
Hygiene. It absorbs product, is hard to sanitise reliably, splinters, and can harbour pests.
Weight and moisture. A wet wooden base gains weight and holds moisture against the cage, which encourages corrosion.
Lifespan. Wood generally wears out faster than composite, plastic or steel bases in regular use.
Where wood is still fine
Short-term, dry, indoor, non-food duty where the tote is going to be retired anyway. It is a base type with a narrow correct application.
Base questions
How do I tell a composite base from a plastic one?
Look at the edge: composite has a visible steel perimeter frame with a plastic or wood deck inside it; plastic is homogeneous throughout and usually has a moulded texture on the deck.
Does the base affect the UN marking?
The base is part of the tested design, so changing base type on a UN-marked unit can affect its status. If the unit must stay in regulated service, check before swapping — see the regulations guide and check current regulations.
Which base is best for outdoor storage?
Steel. It copes with wet ground, UV and chemical splash better than the alternatives, and the extra tare rarely matters for a stationary tote.
Can a damaged base be repaired rather than replaced?
Composite and steel often can be — partner suppliers who recondition totes can quote it. Plastic bases are rarely repairable.
A base swap, explained
Often the simplest way to move a set of totes into a new environment.
Moving composite-based totes into a wash-down food area leaves three broad options: buy new totes, buy reconditioned totes already on plastic bases, or swap the bases on the totes you have. Where the totes are otherwise sound, the swap usually involves the least material. Pricing for each option is by quote from partner suppliers.
What a base swap involves
Release the base fasteners, lift the cage and bottle assembly, fit the new base, refit the fasteners and check the unit. Partner suppliers who recondition totes can quote it, or supply bases for you to fit.
When it does not work
If the cage is damaged at the base attachment, or the design uses a moulded-in base — rare on caged IBCs but it exists on some all-plastic designs. On UN-marked units, check whether the swap affects their status for regulated transport.
Base selection by environment
| Environment | Base | Why | Avoid |
|---|---|---|---|
| Food processing, wet | Plastic | No corrosion, no absorption, sanitisable | Wood, composite |
| Food warehouse, dry | Plastic or composite | Wood absorbs spills and is hard to sanitise | Wood |
| Pharmaceutical / clean room | Plastic | Particle and pest control | Wood, composite |
| General industrial, indoor | Composite | Good value and rigidity | Nothing in particular |
| Racked warehouse | Composite or steel | Rigidity across the beams | Plastic on wide spans |
| Outdoor yard storage | Steel | Copes with wet ground and UV | Wood |
| Coastal or marine | Plastic | Salt attacks steel | Uncoated steel |
| Chemical dosing area | Steel or plastic | Splash resistance | Wood |
| Agricultural field use | Steel | Uneven ground, weather | Wood |
| Export shipment | Plastic, steel, or composite without wood | ISPM 15 does not apply | Untreated wood |
| Short-term project | Wood | Cheapest, and it will be retired | Nothing |
More base questions
How much does a base swap change the tare weight?
A little: plastic bases are generally lightest and steel heaviest. Rarely decisive, but it matters if you are at the edge of an elevator or jack rating.
Can I put a tote on a separate pallet?
People do when a base is damaged, but it raises the unit by the pallet height, which affects every clearance on the route, and the tote is not secured to the pallet. It is a temporary fix, not a solution.
Do plastic bases become brittle in cold?
They stiffen. Cold impact cracking is a typical failure on plastic bases, and it usually involves a fork tip rather than the weather alone.
Which base is best for repeated washing?
Plastic. It does not corrode, and it has no coating to breach — composite frames can corrode where the coating is damaged in wash-down areas.
Where people go from here
Reuse first, then recycle.