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Mr. J.R. Singal, M.D. - Eastman Industries Limited receiving National Export Award from the then Honourable
Prime Minister of India -- Mr.Atal Bihari Vajpayee

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If tyres are kept properly inflated and rotated on a regular basis than they would provide trouble-free service mile after mile. Here are a enlistment of FAQs that will tell requisite knowledge about tyre maintenance.

What is the importance of proper inflation?
Proper inflation is the single most important factor in tyre care. It is strongly recommended to follow the tyre inflation specifications recommended by the vehicle manufacturers. The recommended tyre inflation is provided in owner's manual and posted on some places in vehicle. Tyre inflation should be checked when tyres are cold or has been driven less than a mile. Check and adjust tyre inflation in every few weeks.

What is the importance of rotation?
Regular and proper tyre rotation ensures uniform wear to all the tyres on a vehicle. It is recommended that tyres should be rotated in a "modified X" pattern. In this pattern, only those tyres are crossed to the opposite side of the vehicle, which are being moved to the drive axle. Rest of the tyres are moved from the drive axle to the free rolling axle. This method provides even and uniform tread wear pattern to all the four tyres. Owner's manual describes rotation recommendations for a vehicles. In case of no intimation of rotation period, tyres should be rotated every after 6,000 to 8,000 miles.

How long original equipment tyres last?
It is not possible to state any written mileage promise on any type of tyres as original equipment. As it depends largely on several factors such as styles, construction features, vehicle's applications, geographical conditions, driving habits etc. However, If maintained properly, tyres can run for longer without any difficulties. In addition, any tyre wear concern should be put forth to the authorized distributor or retailer for evaluation.

What is alignment?
A vehicle is said to be properly aligned when the tire and wheel assemblies are running straight. Proper alignment is necessary for precise steering. Uneven front/rear tire wear in vehicle's steering response indicate misalignment. The alignment can affect tyre mileage and performance.

What is vibration?
Vibration indicates a problem in the car that needs attention. The tyres, suspension system and steering system are the possible cause of vibration. The vibration can lead to excessive tire and suspension wear, which can be dangerous in driving.

Should tyres get replaced with the same size tyres?
Yes, always. It is advised to choose a tyre having similar size as original tyres have. Smaller size tyres should never be selected for tyre replacement. In other cases, tyres can be replaced as per the approved options recommended by the vehicle manufacturers.

Should I provide special attention to my new tyres?
Yes, as new tyres may probably provide different feel from the replaced tyres. It takes a little time to get familiar with the performance and handling of new tyres. Special attention should be provided while braking, accelerating, driving in the rain etc. as these times clearly indicates the noticeable differences.

How do I know about the requirement of new tyres?
Eastman offers its tyres with tread wear indicator bars molded into the tread. Once the tread start showing the solid rubber bars across the tyre width, it is the time to replace the tyre. In addition, visual appearance also provides clear idea about the tyre replacement.

Why do tyres need to be balanced?
It is important to have properly balanced tyres for comfortable driving and long tyre life. Unbalanced tyres cause vibration, premature tyre wear as well as wear to vehicle's suspension. Tyres should be balanced when mounting or remounting on wheels.


Tread Cap 1
Base 2
Tread under Cushion 3
Mini side 4
Side Wall Side Wall 5
Gum Chaffer 6
Ply Breaker 7
Outer Ply 8
Inner Ply 9
Chaffer 10
Others Apex/Bead Filler 11
Bead 12
Inner Liner 13
Belt under Cushion 14
Steal Belt 15
Belt Edge Gum 16
Tube Natural 17
Butyl 18
Flap 19

Tyre Construction Pictures





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