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A. OKO Off-Road instantly seals tread punctures up to 12mm in standard tyres, and up to 20mm in larger agricultural and industrial tyres, as the wheel rotates.
A. Yes – OKO Off-Road is the UK's leading tractor tyre sealant, used across agriculture, construction, and horticulture. It is compatible with tractors, harvesters, loaders, and all slow-moving off-road machinery.
A. Yes. OKO Off-Road is compatible with both tubeless pneumatic tyres and inner tubes, though larger punctures seal more effectively in tubeless tyres.
A. The sealant remains active for the full legal life of the tyre. It does not dry out, separate, or degrade over time.
A. No. OKO Off-Road is non-corrosive and contains anti-corrosion agents that protect alloy and steel rims. Do not use on chrome wheels.
A. Yes – OKO Off-Road is classified Non-Hazardous and can be transported by road, air, or sea without restriction. ISO 9001, ISO 14001, and ISO 45001 certified.
A. No. OKO Off-Road is a liquid tyre sealant that stays liquid inside the tyre and seals punctures as they occur. Foam tyre fill is a solid alternative that permanently removes the air chamber and significantly increases wheel weight. OKO is lighter, cheaper, and does not worsen the ride.
A. OKO Off-Road is available at PartsForMachines in multiple sizes – 1250ml, 5L, and 25L drum – with UK mainland delivery in 2–4 working days.
A. Yes. Use the OKO Injector or Application Pump to inject through the valve stem while the tyre is at pressure (up to 60psi/4.1 bar). Remove the valve core first, then refit after application.
A. PartsForMachines offers a 30-day returns policy for items that are unopened and unused in their original condition.
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