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     Home > Industry > RETREADING PROCESS FLOW CHART
 
 


1) Inspection
Determine if a worn tyre casing can be accepted for retreading or rejected.



 
2) Buffing
Remove the worn tyre tread from the casing.
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3) Skiving
Remove any embedded objects to ensure a clean and solid surface suitable for retreading.





4) Cementing
Spraying of a thin layer of concentrated rubber solution onto the repaired casing.


5) Filling
Filling of the skived area with gum cord.
 


6) Tread Application
A cushion gum bonding layer is placed between the tread and the casing.  New layer of highly compact precured tread is then built onto the casing.



7) Enveloping
Special envelop is used to enclose the tyre and ensure the casing, bonding gum and precured tread are successfully bonded together.


8) Curing
Commonly known as vulcanization, is the process of bonding the new tread material to the prepared tyre casing. The prepared casing, with the new tread liner in place, is put into the chamber where pressure and temperature are applied over the correct length of time, curing the cushion gum layer and bonding the tread tightly on the casing.


9) Final Inspection
All retreaded tyres are closely inspected to ensure that a safe and attractive product will be recycled to the customers.


10) As good as new!
Just like a brand new tyre, now the retreaded tyre is ready to roll on the road!

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