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BIAS PATCH MARUNI MB-03 91mm
MB/MS Patches for Repairing Diagonal Tires
MB/MS patches are used for repairing diagonal (bias-ply) tires, ranging from passenger vehicles to construction machinery.
They are made of a reinforced rubber compound and ultra-durable internal nylon fibers.
The outer surface is coated with a protective layer that safeguards against high temperatures.
They are easy to apply, and the vulcanizing adhesion reaction occurs quickly and reliably.
MB/MS patches can be used for hot repairs.
For best results, use with Super Valkarn vulcanizing cement and SEALINER.
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MS patches should be used for sidewall repairs.
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MB patches should be used for all other areas of the tire.
How to Repair a Diagonal Tire Using the Cold Repair Method
Required materials:
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Super Valkarn vulcanizing cement
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MB patch for diagonal tires
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STEM repair plug
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Buffer spray for roughening
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Sealiner
Step-by-step instructions:
- Use pliers to remove any foreign objects from the puncture and mark the damage area with chalk.
- Drill the damaged area multiple times from both the outside and inside of the tire using a carbide cutter.
- Thread the plug through a plug-puller (unnecessary for new-type plugs with guide wire).
- Remove the protective film from the STEM plug and coat it with Super Valkarn vulcanizing cement.
- Apply a small amount of Super Valkarn vulcanizing cement into the puncture channel.
- If using a plug without a guide wire, insert it using the plug-puller.
- Pull the plug through the tire using pliers from the outside. A section of the plug should protrude on the inner side.
- Cut the inner end of the plug so that it sticks out 2–3 mm from the tire surface.
- Position the patch on the inner tire wall and mark an area slightly larger than the patch using chalk. Make sure the directional arrows point toward the tire bead.
- Apply Liquid Buffer to the marked area to clean and chemically roughen the surface. Remove