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Tyre Delamination Explained

tyre delamination explained

Delamination is an unfortunate process where a tyre separates into its various component parts. There are many causes of delamination which we will touch upon here but the key ones are overloading and underinflation. Modern radial and bias ply tyres rarely fail or cause crashes. However, when failure of a tyre has occurred the most common cause is tyre belt separation, which is another name for tyre delamination.

What Causes Tyre Delamination?

A variety of root causes are attributable to the tyre delamination process. The more common causes are:

Inflating the tyre, either too much or too little, will cause stress points on the tyre that were never designed to be there. Eventually this causes a slow rupture within the tyre that means the various layers become unbonded. Undetected punctures will have the same effect.

From there, high temperatures are caused when travelling at high speeds, especially for any length of time. Though it is worth mentioning that extreme environmental temperatures will also affect the tyre delamination process.

Improper storage covers every aspect of improper care, including sustained UV damage (often invisible and found on display tyres that may be in garage forecourt windows) and chemical contamination, such as oils, degreasers, steerings fluids and other automotive fluids.

Early Warning Signs of Tyre Delamination

Seperation of the belts may begin as a crack starting between the belt layers, often this is found near the shoulder of the tyre where the tyre wall and tread meet. Once the crack is found, replacement is imperative. This is because the crack is likely to have spread around the circumference of the tyre between the integral layers.

Eventually, the separation reaches a point where the outer tread layers are no longer secure on the inner belt layers; this is when detachment occurs. The most common form of this can be seen by the many discarded tread layers found on British motorways. These are commonly from HGVs and lorries whose tyres have been unable to withstand the load requirements and high temperatures of motorway driving and have failed whilst in motion.

On passenger vehicles, this is far more dangerous a hazard, as HGV-sized vehicles often have many other wheels to act as a backup to the failed tyre.

Check for Tyre Delamination and Abnormal Wear

A quick visual inspection may be enough to give you confidence that your tyres are in great shape. However, if you want a professional check to give you absolute confidence in the dependability of your tyres, we recommend getting a tyre check from a reputable tyre specialist, it won’t take long and gives instant peace of mind that your tyres are A1.

 

Here at Tyres Northampton, we are proud to offer superb quality tyres at excellent prices for a wide range of vehicles, from sports cars to 4x4s. We also offer the best tyres-while-you-wait service in the region, with free hot and cold drinks, customer wifi, tv, xbox and child’s play area. On top of that, our qualified technicians can offer additional services such as wheel alignment, brakes and exhausts. If you would like to know more about what we do, please get in touch with us today.

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