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OKO Off Road in drums & cans

The heavy-duty tyre sealant off road drivers prefer
Permanently seals multiple holes up to 12mm each
Can seal up to 20mm in large tyres
Up to 80 km/hr: 50 mph

25 LITRE DRUM: 32% bigger than 5 Gallon brands!


This heavy-duty sealant comes in a suitably businesslike package.

It is an essential aid to operators of vehicles that suffer harsh off-road terrain. It is by far the Agriculture market leader.

The OKO Off Road product can be relied upon to seal tread-area holes with a diameter of up to 12mm (in tubeless tyres – it can also be used in inner tubes, where smaller punctures can also be sealed). However, unlike some other companies, OKO does not over-claim on behalf of its products.   In tests, OKO Off Road has shown that it can seal holes of up to 20mm in bigger tubeless tyres.   Even if it cannot always achieve this, it will slow down deflation to allow the driver to bring the vehicle safely to rest.

Off Road OKO is primarily designed for use off the highway. It can be used on road for slower-moving on/off road trucks and service vehicles, and is often used in countries with bad road surfaces; it is preferred to other sealants for use inside inner tubes.

It is not for regular long-distance use on any surface in excess of 80 km/hour, or 50 mph.

25 litre drum (32% bigger than 5 US gallon competitors) with no messy removable pail top.

Sold separately (a one-time purchase): an adjustable heavy-duty all-alloy pump, which delivers 250ml per stroke for rapid and accurate filling through the valve stem, and works against pressure of up to 60 psi/4.21 bar. (Not to be compared with competitive pumps that you have to assemble, are plastic or rust-prone steel, deliver smaller doses, are not adjustable and do not handle such high pressures).  Because OKO is water-soluble, the pump washes clean for repeated use, and if the tyre is removed from the rim in the future both the tyre and the wheel can be hosed clean.   Anti-corrosion agents prevent any damage to either.

NEW 5 litre can (also 32% bigger than 1 gallon competitors): ideal for small to medium-sized off road machines, workshops, parks & gardens, golf courses etc. 

Sold separately: the OKO Tyre Sealant Injector, a bigger 150ml size than any competitor. Suck up the sealant from the mouth of the can, or decant some sealant into a jug then fill the injector from that: the Injector includes a valve core remover, and you screw the end onto the valve stem for a clean and always accurate delivery.

Precise calculations depend on the tyre size and type: but typically OKO can be fitted to all 4 agricultural or large industrial tyres for much less than the cost of replacing one tyre, even using a remould.


Punctures are one of the most common causes of costly downtime, and OKO can eliminate most of them
Can avoid the tyre damaging itself on the rim and having to be replaced
Seals the hole in the tread area the moment the puncture happens
Designed for use in the harshest off-road environments
Lasts the legal life of the tyre
Deals with loss of air and provides a permanent seal to any hole in the tread area caused by puncturing objects with a diameter of up to 12mm or more (depending on tyre size)


Non Corrosive: Non Flammable: Non Hazardous.

NO ADVERSE AFFECT UPON TYRES OR RIMS (contains anti-corrosion agents that protect steel and alloy wheels).

WORKS WITH INNER TUBES and TUBELESS TYRES. For slower-moving trucks and other vehicles going on/off road that have inner tubes, this product is recommended. (Larger holes in tubes will not be sealed).

Remoulds: causes no problems, can be washed out.

Vulcanising: First remove OKO with water, then dry tyre with “BUFSOL” solution.

Colour: Natural off-white. Viscous. Low Odour.

NB: do not use sealant if you are ‘ballasting‘ your tyres with water/anti-freeze. (This practice is not good for vehicles or the land: see our blog)

QUANTITY REQUIRED: ­ see the Dosage Calculator on this page

OKO Puncture Free Tariff Number: HS 3824 99 96 99
OKO Pressure Application Pump Tariff Number: HS 8413 20 00 90

No risk and safety labels or warnings are required since this product is not classified as hazardous under current regulations.

Normal safety precautions should be taken: wear gloves and protect eyes.

Rinse product off any clothes that it may be spilled upon.

Keep away from children.

If swallowed, see a doctor.

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