Can OKO be installed in any tyre?

Yes, it can be applied to any Pneumatic tyre.

Is it safe and legal to install in my tyres?

Yes, it is both safe and legal.

Does OKO affect tyre life or performance?

Not adversely. OKO does not harm tyre structures or rubber. In some cases tyre life will be extended as it may cool the tyre. OKO will actually reduce the possibility of a tyre life being shortened by run-flat damage.

Will it corrode wheels, rust wheel rims or steel belts?

No. There are special corrosion inhibitors in the OKO formulation that inhibit corrosion in steel & alloy rims. They will prevent the product from causing oxidation in brass valve stems. If any residue of OKO is touching the inner rim, it can be washed off when a tyre is changed. It is advisable NOT to use any tyre sealant with chrome-plated wheels as they are susceptible to chemical effects. (Check with your supplier: polished alloys may look like chrome, and they are OKO-compatible). OKO uses inhibitors unique in the tyre sealant industry. These inhibitors are entirely friendly to the environment.

Are the OKO On Road sealants suitable for higher speeds?

On Road sealants are recommended for use on the highway, but users should maintain a speed within the legal limits. Off Road sealants are not for extended use above 50 mph / 80 km/h.

Does the OKO liquid inside the tyre react with the air and go hard?

No. It remains liquid inside the tyre. It will seal a hole under pressure and then dry instantly, but it will not react with the air inside the tyre and turn hard.

Is OKO harmful?

We use our best endeavors to formulate products that are as environmentally friendly and as safe to use, store and dispose of as possible.  No OKO product is classified as harmful, flammable or combustible. All are regarded as non-hazardous under the latest International regulations.

What type of damage can OKO repair?

It seals holes in the tread area caused by nails, screws, glass, stones and sharp objects, up to the hole size quoted on the pack.

Can a number of punctures weaken the Tyre structure?

Tyre structures are most likely to be weakened by sidewall and run-flat damage.

OKO eliminates many of the risks associated with run-flat damage. It is NOT designed to seal sidewall holes that weaken the structure. If there is a suspicion that the structure is weakened, the tyre must be inspected by a tyre repair bay.

What should a driver do if a nail is seen in the tread area of the tyre?

According to UK Forensic studies, a nail can penetrate a tyre and on average will remain there for between 60 and 180 miles (96 to 290 km). The nail is likely to eject itself after this period. If OKO is inside the tyre, the vehicle is motionless, and the nail is noticed to be in the tread area, the driver should pull out the nail and drive immediately. This will create a new seal. If the nail is unnoticed and ejects itself from the tyre as the vehicle is in motion, OKO will make a new seal.

How many holes will it seal using one application?

It is designed to seal many holes, over a long period.

To what pressure does OKO work?

OKO Off Road can be used in low-pressure tyres at as low as 2.5 PSI (0.15 bar). On Road has sealed a Truck tyre at 145 PSI (10.0 bar). There is little practical limit on the high side.

Does OKO need to be replaced inside a tyre?

Off Road sealants are designed to last the legal life of a tyre. On Road sealants last for 100,000 to 140,000 km depending on use and conditions.

Does it degrade, dry out or separate?

No, it remains in suspension, ready to stop punctures.

Does OKO cause problems in making a vulcanised repair?

This is a rare event. Due to the strength of the seal, in normal conditions it is unlikely that a vulcanised repair is required. If necessary, it can be washed out from the inside of the tyre, using a hose. Dry the tyre. Then make the vulcanised repair.

What happens to the sealant in a tyre when a vehicle is idle for a week or two? Does it need to be driven at reduced speeds?

Generally, once the seal has coated the inner tyre, the majority will remain as a coating.

If an On Road vehicle has been idle for a long period some minor wheel vibration may be detected when first starting off. This will disappear rapidly if the vehicle is driven steadily.  This does not apply when using in off road conditions.

Does OKO cause wheel imbalance?

OKO will not cause wheel imbalance if the product is dosed correctly. Any temptation to apply more than the recommended dose must be strictly resisted.

Having balanced all wheels then applied the OKO, On-Road light vehicles should be driven carefully and slowly for a distance of 2 to 3 miles (3 to 5 km). During this initial “run in” distance, OKO will line the inner tread area of the tyre. Once this inner coating has been formed, there should be no wheel imbalance. Any minor quantity acting as a reservoir by swirling around the tyre is not sufficient to cause wheel vibration.

Within what range of temperatures does OKO operate?

From – 45 degrees C (On Road) or -15 degrees C (Off Road) to  + 60 degrees C.

What are “ballasted” pneumatic tyres?

Tyres filled with water. Some Tractor tyres are ballasted by farmers to weigh down the vehicle. Or some pack tyres with weights or sand. OKO cannot function inside a tyre that has been filled in this way.

Will the OKO stain my clothes?

If it splashes onto the clothes, it should be wiped off immediately, preferably with a wet cloth. If some residue remains, wash the clothing during the same day. Avoid leaving the clothes for a long time with the OKO in a dry state.

Will it swill inside the tyre and affect the valve stem causing a misreading of the tyre air pressure?

No. When applying, some residue may remain insIt will not travel back up the valve stem. Normally, conditions inside the tyre mean that no air is forced back through the valve stem to the outside.

Why does the product not seal a valve stem as if it were a hole when the tyre is deflated?

When a tyre is deflated on purpose for any reason (by an individual), it is virtually guaranteed that the vehicle is standing still. When the tyre is motionless the OKO remains in place, coating the inside tread area of the tyre. It does not travel towards the valve stem. Insufficient air pressure and the lack of movement is enough to ensure the sealant remains in its correct place. If the tyre has deflated while static, reinflate the tyre and drive immediately to activate the OKO.

Are there any special Health & Safety requirements to be considered?

Not especially, but common sense needs to be used.

Avoid contact with the eyes; avoid prolonged skin contact with the sticky viscous layer inside the tyre; and, do not drink the product. OKO can be removed from the skin with soaps and industrial hand cleaners. If it gets into an eye, wash with copious amounts of clean water.

Is the amount of OKO applied to any particular tyre size critical?

Yes. The amounts to be applied for any given tyre size are shown on the labels. Always observe these instructions.

Can it be used in tyres with inner tubes as well as tubeless tyres?

Yes. OKO will seal holes in the outer casing and in the inner tubes as well, within the quoted specifications. There are reservations, however, when using inner tubes.

It should always be asked, “why use an inner tube if applying OKO?” Inner tubes are unreliable and the wall thickness is inconsistent. The quality of inner tubes internationally is poor. The inner tube can move inside the tyre. Inner tubes can rip when a puncturing object remains, and this rip cannot be sealed.

Essentially, OKO will function and seal holes without or with inner tubes, but the best combination for most Off Road users is to use a tubeless tyre with OKO applied. This is the less expensive and better-performing option for puncture free driving.

If OKO On Road is to be applied to the tyres of a heavy truck, then apply to tubeless tyres ONLY.

Are there any additional environmental impacts when disposing of tyres?

No. Tyres with OKO can be disposed of via conventional recycling.

Are there any special maintenance requirements for tyres fitted with OKO?

No. As with any other tyres, drivers should check their tyres regularly for cuts, penetration damage, and a loss of air pressure. Checks should be made at least once per week, whether it is an Off Road tyre or On Road tyre.

Is OKO compatible with TPMS?

Tyre Pressure Monitoring Systems that rely upon a sensor inside the tyre can become coated by the sealant and will not give a correct pressure reading. TPMS systems that monitor the tyre from outside will not give problems. TPMS is currently rarely used outside the car market.

Will using OKO prevent the retreading of the tyres?

No. OKO is compatible with retreading methods, cold and hot cures. It does not have adverse effects on tyre casings or metal tyre cords. It is recommended that tyre casings are cleaned and dried prior to collection by the retreading company or before delivery to them. OKO is retread-friendly, easy to clean with water and does not mask the punctures and holes sealed. It is normally simple for “NDT” machines to find all the punctures that have been sealed.

OKO has been formulated to be compatible with all compounds used within a tyre. It does not pose any hazards or flammability issues for the retreading companies either.

Does it extend effective tyre life by maintaining correct air pressures?

By using OKO, it is possible to combat porosity, which is a natural process of air migration through the tyre casing. By reducing the incidence of driving on under-inflated tyres, it helps them to remain in effective service for longer periods.

OKO will also tend to retard dry rot and casing degradation. This helps lengthen the life of the tubeless tyre casing. In tests, OKO has extended tyre life by 20%.

Does the use of OKO make a Tyre warranty void?

There is no legal reason under EU or USA law that allows a tyre manufacturer to say that their warranty is void due to the use of OKO Tyre Sealant, whether Off Road or On Road. Leading manufacturers have in fact issued statements confirming that the use of tyre sealant does not void their warranty.

The composition of OKO is harmless to tyres and rubber and is compatible with rubber tyre components.

 

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