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Retreading Pre Cure VS Remolds

Retreading Tires: Pre-Cure VS Remold Curing

When it comes to retreading tires, there are currently two popular curing options known as Pre-Cure and Mold Cure. Each retreading method can offer a quality remanufactured tire with similar processes but have fundamental differences in their curing process.


Both Pre-Cure and Mold Cure retreading start with a comparable process undertaking inspection, buffing, adding new rubber*, balancing and final inspection. The differences between the two processes occur during the building and curing phase. 

TreadWright Inspection and Buffing Process

Differences Between Remold Retreading & Pre-Cure Retreading 

Remold Retreading: (TreadWright Process)

Unlike the pre-cure process, a remolded tire is the closest retread you can get to a brand new tire. During the building process, a remolded retread tire is wrapped with unvulcanized industrial grade rubber to the crown and shoulder of each tire by an Orbitread machine.  The sidewalls are then given a new layer of sidewall veneer, which brings the entire tire back to a new condition (common in Warden, Guard Dog and Claw brands). All TW tires are balanced with a Corghi Balancer prior to remolding.

The next step in our manufacturing process is to cure the tire. Each rebuilt casing is individually placed in its corresponding mold/press (size and model) and cured for approximately 60 minutes.  When the mold is closed and the tire body inflated to the proper pressure, the swelling of the casing conforms the uncured material to the mold, forming the tread design.  Heat and pressure are then applied to a specific period of time to accomplish curing. The tire is now remanufactured back to a completely new condition. Our presses and molds use the same mold curing process that is standard in all new tire manufacturing plants.

Remold Retreading Additional Notes:
  • Offers Dedicated time, pressure and heat to each individual tire that is built unlike Pre - Cure, which cures multiple tires at once. 
  • Remolding retreads are suitable for all tire applications, including car and aircraft tires.
  • Hot retreading also allows extensive repairs to be carried out on the tire carcass (e.g. belt replacement).
  • Even bias-ply carcasses can undergo hot retreading without any problem
  • A separate mold is required for each tread and size. This requires a high level of investment in a range of molds, which will be needed to be regularly updated.
  • The production process needs to be designed for large numbers of tires. This calls for a central production workshop, an extended customer area and therefore brings with it relatively high logistics costs.

Building the tire with unvulcanized Industrial Grade Rubber & the mold press

Pre Cure Retreading

During the Pre-Cure building phase, the inspected/buffed casing will add a thin layer of cushion gum, which acts as an adherent between the vulcanized pre-cured tread and the tire.  After the cushion gum has been administrated the retreader will add the vulcanized pre-cured tread pattern over top splicing the ends and holding them together with staples before entering the curing chamber.  The tire is then placed in a pressurized heated chamber by air produced through electricity, steam or hot liquid such as oil.  The prepared casing, with the new rubber in place, is put into the chamber where pressure and temperature, applied over the correct length of time, cure the cushion gum layer and bond the tread to the tire. 

Pre-Cure Notes:
  • Multiple Tires are usually cured at the same time in one chamber
  • The barrier to entry is easier with less of an investment required on the part of the retreading plant (no expensive molds) along with lower follow-up costs since it is the material supplier who updates the range of molds.
  • A wide range of tread types is available, allowing the optimum tread to be selected for the tire application
  • Pre-cure retreading requires high-quality carcasses.

Left - A photo of the Cushion Gum Used. Center - Example of Pre Cure Tread being applied. Right - Example of the Curing Chamber curing multiple tires at once.

* Retreaders can use different Rubber Suppliers.  TreadWright only uses industrial grade rubber compound with higher wear characteristics.


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ago. 15, 2019 • Posted by Francisco Leyva

What be the price to reread my tires
255/255/70/r18 50000miles need a new tires can’t afford new and how long takes.please let me know

jun. 03, 2019 • Posted by TreadWright

Yes, we have 275/55R20 here – https://www.treadwright.com/collections/filter?width=275&ratio=55&rim=20&search_by_size=true

Wear Ratings are as follows:

Mud Terrain
Standard – 30,000 Miles
Premier Wear – 40,000 Miles
Kedge Grip – 20,000 Miles

All Terrain
Standard – 40,000 Miles
Premier Wear – 50,000 Miles
Kedge Grip – 30,000 Miles

If you are looking to sell casings to us go here – https://www.treadwright.com/pages/sell-us-your-casings

Dale – Call us at (713) 487-4661 and we will see what we can do

ene. 11, 2019 • Posted by DALE A Grueneberg

do you have 9:5-16 lug tractor tire if so price on it and shipping to 54514 in Wisconsin

ene. 17, 2018 • Posted by Carl

Looking for 275/55r/20 off road tires what u have

oct. 30, 2017 • Posted by Duane

What is the traction rating and the wear rating on the all terrain truck tires that look like the bf Goodrich at tires. And what ply are they?

oct. 13, 2017 • Posted by Derrest Williams

Mario if you are interested please fill out the information here – https://www.treadwright.com/pages/sell-us-your-casings

oct. 13, 2017 • Posted by Mario Rodriguez

I’m looking to sell tires for retreading,please get back to me.

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