Several people ask about the expiry date of tire sealant because the sealant dries and hardens after expiry, and you cannot use it to repair wheel punctures.
Does Tire Sealant Expire? Tire sealant expires due to specific shelf life of 4 years, written expiry date on the bottle, clumping, storage impact, presence of suspended particles, poor stability, and dryness inside tires.
By crossing the expiry, the tire sealant changes and functions reduce from the standard level. Due to its thickness inside the container, you cannot push it from the bottle.
Written expiry date
The tire sealant comes in a specific packaging, and the canister comprises an expiry date. However, you can find the written date near the manufacturing date of your selected sealant bottle.
Before using it, you can check the expiry date, which can prevent time loss. In such circumstances, you can turn the container to find the date which shows its remaining lifespan.
However, the date indicates the expiry of this material, and you cannot ignore it because it can affect wheel performance.
The expired canister of sealant cannot provide specific efficiency due to minimum effectiveness. It loses the standard consistency and cannot fill the holes and other tire cracks.
Due to low performance, it cannot repair the punctured wheels. In such circumstances, you cannot use it and select a new canister for optimized repairing of broken wheels and their holes.
Specific shelf life
Due to the composition and manufacturing standards, the tire sealant has a specific shelf life of about four years. Moreover, it can last for four years in a stable consistency due to manufacturing elements.
You can assess the manufacturing date and estimate the next four years as the expiry of your sealant canister. However, external heat and moisture can slightly reduce its shelf life.
The average lifespan is four years which is standard. You can use it to fill the cracks and hide the rim holes.
You can find the written date and calculate the remaining time for its optimized performance. In addition, it has a few other brands which are available in the market.
According to their manufacturers, these brands cannot expire. But, it is a false claim because wheel sealants have a shelf life of four years, and it becomes useless after this timespan.
Sealant hard clump
Generally, it has an expiry date to indicate its stable performance during the standard lifespan. After four years, the semi-liquid material starts becoming hard.
Its consistency changes due to the excessive air impact. The environmental air pressurizes the canister and its material. In such circumstances, the material makes clumps and becomes thick.
As a result, clumpy material cannot move outside the canisters. However, you can use the material within four years without internal clumps.
Due to the internal chemical changes, it clumps due to the liquid particle solidification. Moreover, it changes from a liquid state to a solid material which loses its effectiveness.
In such circumstances, you can pressurize the material inside the canister, but the clumps do not move out. Due to these reasons, you cannot use it to repair rim cracks and wheel punctures.
Impact of storage conditions
Sealant requires a specific storage environment to keep it intact for around four years. However, due to poor storage conditions, the internal liquid material changes and cannot perform during the lifespan.
In such conditions, its shelf life depends on the external temperature of the bottle. Also, the effect of moisture can reduce its lifespan.
Before its expiry, it requires a proper storage environment with stable temperature and humidity.
For this purpose, you can use the manufacturing date of your bottle and assess it before selecting the bottle at the automotive shop.
Due to the mentioned shelf life on the package, you can assess its storage conditions. Also, you can protect it in the container, which is the original packaging of this material.
However, you cannot remove it from the original container because it can affect the efficiency of liquid material. Moreover, it can reduce lifespan and cause poor performance before the expiry.
Particles suspension over time
The liquid particles of the tire sealant can move due to internal pressure. However, the internal strain can keep them stable for more than three years.
Over time, the particles start suspending in the bottom of the original container. In such circumstances, they lack the essential pressure for their standard performance.
The suspended particles of the sealant are ineffective and cannot repair the punctures of the wheels.
Due to the mentioned manufacturing date, you can estimate the degrading pattern of this material over the years.
Also, you can use it without fear during the recommended lifespan. The manufacturing companies of the sealant mention these dates to determine the efficiency of the material.
You can estimate the suspended particles within the canister with the standard life expectancy.
Due to its composition, the tire sealant has thermal stability, which can stabilize it at different heat levels. In addition, with the internal elements, this liquid material can seal tire cracks.
It can protect the wheels from further damage due to a protective layer. In addition, during the standard lifespan, it can last inside the tire in stable stability.
But, it cannot work with standard stability after the expiry. In addition, it cannot withstand tire heat and additional pressure.
Due to these impacting factors, it loses stability and cannot perform. Also, it becomes thick due to thermal changes within the rim.
In such conditions, it can cause further tread damage, which leads to uncontrollable car driving.
Sealant dries within the tire
The sealant of wheels is a liquid-based sealing material that can dry over the years. However, it dries before the expiry when the material is inside the rims.
According to various estimations, it can last for about two years inside the tires. Then, it can start drying and becomes thick.
In such circumstances, it does not expire after two years, but its stability and performance reduce from the threshold. You can change the sealant layer from the tires in two years.
The internal wear of the wheels cannot stabilize the sealant after two years. In addition, the driving temperature and pressure can cause more wheel damage.
It is an extended time for the liquid material, which solidifies it. In such conditions, it cannot maintain the liquid state due to the natural drying process.
Due to tire pressure, it can dry more quickly and requires replacement. However, for tire protection, you can use it for 3 to 4 years.
You can replace it after two years when the liquid sealing material is inside the wheels.