Reading the frame

The pallet and the cage tell you more than the bottle does.

A bottle tells you what was in it. The cage and the base tell you where it has been, how it was handled, how many more years it has, and whether it is safe to stack. Learn to read them and you will never buy a bad tote again.

Short answer

IBC pallet bases come in steel, composite, plastic and wood. Steel is the most repairable and dominates reconditioned fleets; wood is unsuitable for wet service. Cage condition is judged at the welded nodes, not the tube faces — rust or cracking at a node means the container must not be stacked.

Base types: 4
Typical apertures: 54 · 60 · 72
Cage service life: 15–25 years
Inspection point: Weld nodes

Work order · 90-second form

Ask about frame condition

Tell us the duty and we'll specify the base type and cage condition that suits it.

Base types

Four bases, four different lifetimes.

IBC pallet base comparison
Base type	Weight	Repairable	Wash-down	Service life	Best for	Fails by
Steel	38 lb	Yes — straighten, weld, recoat	Good	15–25 yr	Reconditioned fleets, heavy duty	Rust-through at fork pockets
Composite (steel + plastic deck)	32 lb	Partly	Very good	10–18 yr	General industrial	Deck cracking, delamination
Plastic (HDPE)	26 lb	No	Excellent	8–15 yr	Food, pharma, wash-down	Fork pocket cracking
Wood	44 lb	Yes, poorly	Poor	3–6 yr	Dry, single-trip export	Rot, fastener pull-through, pests

Cage inspection

What we check, in the order we check it.

Four minutes per container on the intake line. You can run the same sequence on any tote anyone offers you.

Cage inspection sequence
Step	What to look at	Pass	Fail
1. Nodes	Welded tube intersections, all four corners	Clean bead, no bloom	Rust bloom or visible crack → no stacking
2. Corner posts	Sight down each vertical	Straight within ¼"	Bow over ½" → straighten or scrap
3. Base rails	Fork pocket edges	Dented but sound	Torn or perforated → replace base
4. Squareness	Diagonal measurements across the top frame	Within 1"	Over 1" out → frame jig or scrap
5. Coating	Galvanising or paint on tube faces	Surface oxidation only	Flaking with pitting → recoat
6. Bottle seat	Where bottle meets base deck	Even contact	Gap or bulge → bottle or base fault
7. Plate	Manufacture date, UN marking	Legible	Illegible → non-regulated service only

Grid patterns as a fingerprint

Composite IBC cages are built from horizontal and vertical tube runs welded into a lattice. Count the apertures on the long face and you learn quite a lot. A 54-aperture grid is the most common North American pattern. A 60 is typically a European build or a heavier-duty variant. A 72 is a tight-grid cage used where bottle bulge under head pressure must be controlled — dense chemistry, tall columns, elevated temperature.

For a buyer, the practical use of this is bottle compatibility. A replacement bottle is moulded to seat against a particular grid geometry; the wrong bottle in the right cage bulges through the apertures and abrades. When we rebottle, matching the grid pattern is the first thing we do and the reason we keep four bottle profiles on the shelf.

What a very old cage is worth

A 1990s cage in sound condition is not scrap — it is proven steel. Galvanising from that era is frequently heavier than current production, and a frame that has survived thirty years of forklifts without going out of square has demonstrated something a new frame has not. We rebottle those units happily. What we will not do is put them into UN-marked regulated service, because the marking belongs to a tested assembly with a service life, not to the steel.

Cage grid patterns and what they indicate
Apertures	Typical origin	Indicates	Rebottle profile
54	North American standard	General-purpose 275 gal build	Profile A
60	European / heavier duty	Tighter bottle support	Profile B
72	Dense-product duty	Bulge control, elevated temperature	Profile C
48 (wide)	Economy / single-trip	Lighter frame, lower stack rating	Profile A (check)
Mixed / repaired	Reconditioned frame	Prior repair — inspect nodes closely	Measure first

Frame questions

Bases and cages.

Pallets & cages — FAQ

Which IBC pallet base is best?

Steel for durability and repairability, composite for a balance of weight and corrosion resistance, plastic for wash-down and food environments, and wood for nothing at all in wet service. Steel bases dent and rust but can be straightened and recoated indefinitely, which is why they dominate reconditioned fleets. Plastic bases are lighter and hygienic but crack at the fork pockets and cannot be repaired.

Why does the cage grid pattern differ between totes?

Manufacturers use different tube spacing and node counts — commonly 54, 60 or 72 apertures on a 275 gallon frame. Tighter grids support the bottle better under head pressure and resist bulge; wider grids are lighter and cheaper. For reconditioning purposes, the pattern is also a fingerprint: it tells us the manufacturer, roughly the era, and which replacement bottle will seat correctly.

How do I inspect an IBC cage for damage?

Ignore the panels and look at the nodes — the welded intersections where the load actually travels. Surface rust on tube faces is cosmetic; rust blooming at a node, or a node with a visible crack in the weld bead, means the load path is compromised and the unit should not be stacked. Then sight down the four corner posts for bow, and check the base rails at the fork pockets, where forklift damage concentrates.

Can a damaged cage be repaired?

Usually. Bowed verticals go on a hydraulic straightening jig, surface rust is wire-wheeled and conversion-coated, and broken nodes can be re-welded by a certified welder where the geometry allows. What cannot be repaired economically is structural corrosion through the tube wall, or a frame that has been racked out of square by more than about an inch. Those cages go to a steel mill, which is itself a fully circular outcome.

Reconditioning

Straightening, de-rusting, base replacement, valve swap and recertification.

Open

Grades explained

How cage and base condition feed into the grade printed on your quote.

Open

When the frame is finished

Steel to a mill, HDPE to regrind. Nothing goes in a hole.

Open

Two stained and weathered used IBC totes in a yard, showing discoloured bottles and worn labels

The yard

Read the nodes, not the tube faces

By the numbers

The figures behind this page.

81%: of failures start at a node; Not mid-span, where intuition says
11.8%: steel base failure rate; Against 23.7% composite outdoors
100%: of wood bases failed by year two; We replace them as a matter of course
54 · 60 · 72: aperture counts; The fingerprint that sets bottle profile

Reference

The detail, in full.

Five Pennsylvania winters, 173 tracked containers
Base	Units	Failed	Rate	Dominant failure	Repairable
Steel	68	8	11.8%	Rust-through at fork pocket	Yes — all 8 repaired
Composite	59	14	23.7%	Deck cracking at corners	4 of 14
Plastic (HDPE)	37	7	18.9%	Fork pocket cracking	None
Wood	9	9	100%	Rot, fastener pull-through	None — replaced

Asked and answered.

Further questions

Which base should I specify?

Steel for outdoor duty — it fails repairably. Composite for indoor warehouse duty, where it outperformed steel at 6%. Plastic for wash-down and food environments, accepting that the base is a fuse. Never wood in wet service.

How do I inspect a cage in four minutes?

Nodes first — welded intersections, all four corner columns, looking for rust bloom or a crack in the bead. Then sight down each vertical for bow, check the base rails at the fork pockets, measure diagonals for square, look at the bottle base radius for crazing, check the gasket, read the plate.

Can a bowed cage be straightened?

Usually. Bowed verticals go on a hydraulic jig and surface rust is wire-wheeled and conversion-coated. What cannot be repaired economically is corrosion through the tube wall, or a frame more than about an inch out of square.

Go deeper

Twelve reference sheets, because you should not have to ask us for a number.

Specifications, grading definitions, prices, thread standards, flow rates, weights, gasket selection, wash chemistry, freight limits, circular-route arithmetic, failure modes and conversions. Open what you need; none of it is gated and none of it changes depending on who is asking.

Container specs16 rows

Every dimension for the two sizes that make up 93% of the market.

The two sizes that are 93% of the market
Attribute	275 gallon	330 gallon
Capacity	275 gal / 1,041 L	330 gal / 1,249 L
Footprint	48" × 40"	48" × 40"
Height	46"	53"
Tare weight	125–135 lb	140–155 lb
Gross, water	≈2,425 lb	≈2,900 lb
Max gross mass	2,800 lb	3,300 lb
Bottle mass	38–45 lb HDPE	45–52 lb HDPE
Cage + base mass	≈55 lb steel	≈62 lb steel
Stack, full	2 high	2 high
Stack, empty	4 high	4 high
Two-high stack height	92"	106"
Per 53′ van, volume	48	40
Per 53′ van, weight-limited	17 full	14 full
Fill opening	6" vented or solid	6" vented or solid
Discharge	2" butterfly, S60x6	2" butterfly, S60x6
Forklift entry	4-way	4-way

Grading standard10 rows

Our written definitions — the same ones printed on every quote.

Our written grading standard, in one table
	Grade A	Grade B	Grade C	Food grade
Wash	Documented	Documented	Rinse only	Documented + sanitise
Bottle	Clear–translucent	Light haze permitted	Heavy staining	Clear, odour-free
Odour	None	Faint, product-typical	May be present	None
Prior contents	Documented, benign	Documented	May be absent	Edible only, documented
Cage	Square, no node rust	Sound, cosmetic dings	Cosmetic damage OK	Sound
Gasket	New	New	As-is	New, FDA EPDM
Leak test	Passed, recorded	Passed, recorded	Not tested	Passed, recorded
Food contact	Only if food prior	No	Never	Yes
Price band, 275 gal	$165–$225	$110–$165	$60–$95	$225–$300
Share of our sales	18%	58%	17%	7%

2026 price bands8 rows

Published rather than extracted through a contact form.

2026 Mid-Atlantic price bands, 275 gallon
Type	Single unit	Pallet (4+)	Truckload (48)	Lead time
Grade C as-is	$60–$95	$56–$88	$52–$78	1–2 days
Grade B washed	$110–$165	$102–$152	$95–$140	1–3 days
Grade A rinsed	$165–$225	$153–$208	$140–$190	1–3 days
Food grade	$225–$300	$210–$278	$195–$260	2–5 days
Rebottled	$250–$340	$236–$316	$220–$295	3–7 days
New composite	$420–$560	$400–$530	$380–$500	5–15 days
Cage only	$35–$65	$32–$60	$30–$55	1–3 days
We pay you for empties	$15–$85	$20–$85	$28–$85	Collection ≤2 weeks

Threads & flow9 rows

Measured on our own line: full tote of water, vented lid, valve open.

Threads, adapters and gravity flow
Fitting	Specification	Initial flow	Time to empty 275 gal	Typical use
3" butterfly	3" flange, PP body	128 gpm	3.5 min	Batch dumping, viscous
2" butterfly	S60x6 outlet, EPDM seat	70 gpm	6.5 min	Standard discharge
2" camlock	S60x6 → 2″ male cam	62 gpm	7.2 min	Pump and transfer hose
2" NPT	S60x6 → 2″ male NPT	58 gpm	7.9 min	Rigid dosing plumbing
1" camlock	S60x6 → 1″ male cam	22 gpm	19.6 min	Drum filling, controlled
3/4" GHT	S60x6 → garden hose	9 gpm	45.8 min	Irrigation, wash-down
1/2" spigot	S60x6 → spigot	4 gpm	105 min	Hand filling, troughs
S60x6	60 mm OD, 6 mm pitch buttress	—	—	Modern standard outlet
S100x8	100 mm OD, 8 mm pitch	—	—	Legacy / EU — use a bushing

Weights by product10 rows

gallons × 8.34 × specific gravity + tare. The number people skip.

Gross weight by product — the calculation people skip
Product	SG	275 gal gross	330 gal gross	Stack?
Ethanol	0.79	1,940 lb	2,310 lb	Yes
Diesel / fuel oil	0.85	2,080 lb	2,480 lb	Yes — steel bin only
Vegetable oil	0.92	2,240 lb	2,670 lb	Yes
Water	1.00	2,425 lb	2,900 lb	Yes
Latex emulsion	1.05	2,540 lb	3,040 lb	With care
Brine 23%	1.20	2,880 lb	3,450 lb	No
Liquid fertiliser 28-0-0	1.28	3,065 lb	3,670 lb	No
Corn syrup 42 DE	1.33	3,180 lb	3,810 lb	No — partial fill
Sulphuric acid 50%	1.40	3,340 lb	4,000 lb	Partial fill
Sodium hydroxide 50%	1.52	3,615 lb	4,335 lb	Partial fill

Gasket selection10 rows

The cheapest decision in the specification, and the one most often wrong.

Gasket and wetted-part selection
Product family	Gasket	Valve body	Container	Avoid
Water, brine, glycol	EPDM	Polypropylene	Poly IBC	—
Dilute acids	EPDM	Polypropylene	Poly IBC	Brass, carbon steel
Caustics	EPDM	Polypropylene	Poly IBC	Aluminium
Alcohols under 20% ABV	EPDM	Polypropylene	Poly IBC	—
Alcohols over 20% ABV	Viton	Stainless	Stainless bin	Poly bottles
Vegetable and mineral oils	Viton	Polypropylene	Poly IBC	EPDM gaskets
Fuels, diesel, kerosene	Viton	PP or stainless	Steel bin	Poly bottles
Aromatic solvents	Viton	Stainless	316L bin	All poly parts
Food ingredients	EPDM (FDA)	PP (FDA)	Food-grade poly	Non-FDA elastomers
Flavour, essence, botanical	Viton	Stainless	316L bin	Poly bottles

Wash cycles8 rows

The cycle follows the residue. A default cycle is how you get a clean-looking tote that smells.

Wash cycle by residue class
Residue	Cycle	Temp	Chemistry	Water	Cost	Outcome
Water-soluble benign	Cold triple rinse	Ambient	None	22 gal	$18–$28	Grade A/B
Sugars, syrups	Hot caustic + sanitise	148–156 °F	1.5% NaOH	45 gal	$35–$55	Food grade if prior allows
Proteins	Hot caustic + sanitise	150–158 °F	2% NaOH	48 gal	$40–$58	Food grade if prior allows
Oils, fats	Degrease + hot rinse	135–150 °F	Alkaline surfactant	52 gal	$45–$70	Grade A/B
Surfactants	Extended rinse + defoam	Ambient–120 °F	Defoamer	40 gal	$30–$48	Grade B only
Latex, emulsions	Mechanical + strip	125–140 °F	Alkaline	50 gal	$50–$75	Grade B/C
Acids, caustics	Neutralise + rinse	Ambient	Counter-agent	35 gal	$32–$50	Grade B
Unknown	Triple rinse, downgrade	Ambient	None	22 gal	$20–$30	Grade C only

Freight limits8 rows

Volume capacity and weight capacity are different numbers, and weight wins.

What fits on what — volume and weight limits
Vehicle	Full, 2 high	Weight-limited full	Empty, 4 high	Liftgate
53′ dry van	48	17	96	No
48′ flatbed	40	17	80	No
26′ box truck	24	8	48	Yes
16′ box truck	12	5	24	Yes
Sprinter van	4	2	8	Yes
20′ sea container	20	17	40	No
40′ sea container	42	17	84	No
Drop trailer, 53′	48	17	96	No

Circular routes7 rows

Ranked by burden avoided. Landfill is not on the list.

The seven circular routes, ranked by burden avoided
#	Route	CO₂e avoided	Water avoided	% of new-unit burden	Share of intake
1	Reuse as-is after rinse	88 kg	190 gal	100%	60.9%
2	Wash and return to service	83 kg	163 gal	94%	22.3%
3	Rebottle	55 kg	118 gal	62%	6.0%
4	Salvage cage for another unit	36 kg	76 gal	41%	3.0%
5	Upcycle into a built product	31 kg	66 gal	35%	0.9%
6	Granulate to HDPE regrind	30 kg	62 gal	34%	6.9%
7	Landfill	0 kg	0 gal	0%	0%

Failure modes8 rows

What actually retires a container and where each one goes afterwards.

What actually retires a container, and whether it is fixable
Failure	Where it starts	Share of retirements	Fixable?	Route
Bottle stress cracking	Base radius	41%	No	Granulate bottle, keep cage
Freeze split	Mid-height, at the old liquid line	16%	No	Granulate bottle, keep cage
Contamination beyond wash	Absorbed into the wall	14%	No	Granulate bottle, keep cage
Bottle deformation	Whole wall, from overfill or heat	11%	No	Rebottle
Cage node corrosion	Welded intersections, corner columns	10%	Sometimes	Mill the steel
Missing prior-contents record	Paperwork, not the container	8%	No	Grade C only
Base rail damage	Fork pockets	—	Yes, on steel	Repair or replace base
Gasket failure	Outlet and lid seals	—	Always	Replace, $4

Delivery corridors7 rows

If you sit on a route we already run, small loads become viable.

Scheduled corridors from 800 River Rd
Corridor	Key stops	Frequency	Minimum load	Buy-back
I-76 West	Conshohocken, King of Prussia, Reading, Harrisburg	2× weekly	4 units	Yes
I-95 South	Philadelphia, Chester, Wilmington, Baltimore	2× weekly	4 units	Yes
I-95 North	Trenton, New Brunswick, Newark, Elizabeth	Weekly	6 units	Yes
NE Extension	Lansdale, Quakertown, Allentown, Bethlehem	Weekly	6 units	Yes
US-30 West	West Chester, Downingtown, Lancaster, York	Weekly	6 units	Yes
US-202 North	Doylestown, New Hope, Flemington	Weekly	4 units	Yes
Delmarva	Dover, Salisbury, Easton	Fortnightly	10 units	By arrangement

Conversions12 rows

The arithmetic that comes up daily.

Conversions used every day in this yard
From	To	Multiply by	Worked example
US gallons	Litres	3.785	275 gal = 1,041 L
Litres	US gallons	0.2642	1,000 L = 264 gal
US gallons of water	Pounds	8.34	275 gal = 2,294 lb
Pounds	Kilograms	0.4536	2,425 lb = 1,100 kg
Inches	Millimetres	25.4	48" = 1,219 mm
Cubic feet	US gallons	7.481	51 ft³ = 381 gal
Cubic yards	Cubic feet	27	1.4 yd³ = 37.8 ft³
psi	Feet of head (water)	2.31	1.7 psi = 3.9 ft
Feet of head	psi	0.433	24 in stand = 0.87 psi
gpm	Litres per minute	3.785	70 gpm = 265 L/min
kg CO₂e	Miles not driven	2.5	88 kg = 220 miles
kg CO₂e	Mature trees, one year	0.0476	88 kg = 4.2 trees

Vocabulary, in twelve lines

IBC: Intermediate bulk container — anything between a drum and a tanker, in practice 110–550 gallons on a forkliftable base.
Composite IBC: An HDPE bottle inside a welded steel cage on a pallet base. The 275 and 330 gallon workhorses.
Tare: Empty weight of the container: 125–135 lb for a 275, 140–155 lb for a 330.
Gross mass: Container plus contents. Most 275s are rated to 2,800 lb; exceed it and the bottle bulges rather than bursts.
Node: A welded intersection in the cage where load actually transfers. The correct place to inspect.
S60x6: The standard outlet thread: 60 mm OD, 6 mm pitch buttress. Hand tight only.
Prior contents: What the container last held, logged against the original label. The single most consequential fact about any used tote.
Rebottle: A new HDPE bottle fitted into an inspected existing cage — virgin interior, 38% less embodied carbon than new.
Food grade: FDA-compliant resin plus an edible-only prior history plus a documented wash. All three, together.
UN 31HA1: Marking for a composite IBC approved for liquids. Belongs to the assembly and carries a service life.
Regrind: Granulated recycled HDPE. Post-industrial IBC regrind goes to pipe, conduit, pallets — never food contact.
Avoided burden: Environmental cost that did not occur because a container was reused instead of manufactured. Not an offset.

All 58 terms

The yard, in numbers

18,412: containers returned to service, rolling 12 months
91.9%: of intake leaves as a container, not as feedstock
1.62M kg: CO₂e avoided against a new-container baseline
543,000 lb: HDPE granulated into clean regrind in 2025
318,000 lb: steel baled to a regional mill in 2025
0 yd³: container material landfilled — six consecutive years
2,600: containers on the ground at the January peak
11%: of offered loads refused, and referred on
22: people at the Norristown yard, four of them drivers
6: states served by our own trucks

Where and when

IBC Totes PA LLC
800 River Rd
Norristown, PA 19406
hello@ibctotespa.com
quotes@ibctotespa.com
No telephone line — written quotes only.

Opening hours
Mon	7:00 AM – 4:30 PM
Tue	7:00 AM – 4:30 PM
Wed	7:00 AM – 4:30 PM
Thu	7:00 AM – 4:30 PM
Fri	7:00 AM – 4:30 PM
Sat	8:00 AM – 12:00 PM
Sun	Closed

Next step

Every tote we keep alive is one that never gets made.

Get a written quote Sell us your empties

The pallet and the cage tell you more than the bottle does.

Four bases, four different lifetimes.

What we check, in the order we check it.

Grid patterns as a fingerprint

What a very old cage is worth

Bases and cages.

Pallets & cages — FAQ

Reconditioning

Grades explained

When the frame is finished

The figures behind this page.

The detail, in full.

Asked and answered.

Further questions

Related reading.

The five-year study

Where cages actually fail

Cage and base repair

Twelve reference sheets, because you should not have to ask us for a number.

Every tote we keep alive is one that never gets made.