IBC Tote Guide: Food Grade, Cleaning, Stacking & Reading the Label
The practical companion to the dimensions chart: food-grade rules, a defensible cleaning procedure, real stacking limits and a line-by-line read of the UN marking on the label.
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TL;DR: An IBC tote is a 275 or 330 gallon intermediate bulk container — an HDPE bottle inside a steel cage on an integrated pallet. It is food grade only when the resin is FDA-compliant and the documented prior contents were food. Full totes stack 2-3 high by rating; a cleaned tote is only as good as the record proving it was cleaned.
Quick Facts
| Question | Answer |
|---|---|
| What it is | Intermediate bulk container: HDPE bottle, steel cage, integrated pallet |
| Standard capacities | 275 gal (1,040 L) and 330 gal (1,250 L) |
| Footprint | 48 x 40 in, GMA pallet match |
| Food grade? | Only with FDA-compliant resin plus documented food-only prior use |
| Stacking, filled | 2-3 high per manufacturer rating |
| Stacking, empty | Do not stack loose empties unstrapped |
| Cleaning | Pre-rinse, caustic wash, rinse, sanitize, verify, document |
| Label | UN marking encodes type, group, test pressure, year, capacity |
| Rigid HDPE alternative | 250+ trip service life, full washdown, no cage |
What an IBC Tote Is
Three parts working together: a blow-molded HDPE inner bottle, a welded steel cage that carries the stacking and impact load, and a pallet base — steel, plastic or wood — for forklift and pallet-jack handling. "Intermediate" means it sits between drums and bulk tankers: one tote replaces roughly five 55-gallon drums on the same footprint. Full dimensional data is in the IBC tote sizes and dimensions reference.
Are IBC Totes Food Grade?
Two conditions, both required:
That second condition is where "food grade used totes" sold online fall apart: without a verifiable prior-contents record, the tote fails a food-safety audit no matter how clean it looks. Under FSMA 204 traceability requirements you must be able to prove what touched the product. If food contact matters, buy new food-grade, or use a rigid FDA-compliant HDPE bulk container built for repeated washdown.
How to Clean an IBC Tote
A defensible procedure, in order:
Step 9 is the one auditors actually read. Cleaning without a record is not cleaning. Our container cleaning and sanitization guide has the full validation detail.
Are IBC Totes Stackable?
Filled totes stack 2-3 high per the manufacturer's rating, and only when:
Empty totes should not be stacked loose; they are light, top-heavy and prone to walking. Where empty-return cube drives your cost, collapsible or nesting containers beat cages outright — see collapsible vs rigid bulk containers.
Reading the Label
The UN marking is a specification, not decoration. A typical string reads:
31HA1 / Y / 0322 / USA / M1234 / 1040 / 1500
| Segment | Meaning |
|---|---|
| 31 | Composite IBC for liquids |
| HA1 | Plastic inner receptacle with steel outer frame |
| Y | Packing group II and III (medium hazard) |
| 0322 | Month and year of manufacture — March 2022 |
| USA | Country of certification |
| M1234 | Manufacturer / certification code |
| 1040 | Capacity in liters |
| 1500 | Maximum permitted gross mass or stacking test load, in kg |
Two practical uses: the manufacture date tells you whether the tote is inside its typical 5-year service window for hazardous contents, and the packing-group letter tells you which materials it is certified to carry. If the plate is unreadable, the tote has no verifiable rating.
FAQ
What is an IBC tote?
A 275 or 330 gallon intermediate bulk container built from an HDPE inner bottle, a steel outer cage and an integrated pallet base, sized to the 48 x 40 in GMA footprint.
Are IBC totes food grade?
Only if the resin is FDA-compliant for food contact and the documented prior contents were food. Cleaning does not convert a chemical tote into a food-grade one.
How do you clean an IBC tote?
Pre-rinse, detergent or caustic wash at the specified temperature and concentration, rinse to neutral pH, sanitize, final rinse, inspect the bottle and cage, then record the batch details.
Are IBC totes stackable?
Filled totes stack 2-3 high per the manufacturer rating on level floors with square stacks and undamaged cages. Loose empties should not be stacked.
How many gallons is an IBC tote?
275 gallons (1,040 L) is the standard; 330 gallons (1,250 L) is the larger size on the same footprint.
What do the numbers on an IBC tote label mean?
The UN marking encodes IBC type and construction, packing group, manufacture date, country, manufacturer code, capacity in liters and maximum gross mass or stacking load.
Sources
UN Recommendations on the Transport of Dangerous Goods, IBC marking and packing-group codes; 21 CFR 177.1520 food-contact polyolefin requirements; FSMA 204 traceability recordkeeping; IBC manufacturer stacking and service-life specifications; LT Plastics / Bonar Plastics HDPE bulk container washdown data.
Related reading
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Part of the topic guide
IBC Totes and Plastic Storage Tanks: Sizes, Uses and Buying