

KEX KEX-MX40 Radial Repair Unit, 4" x 8", 2 Ply (10/Box)
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- No Sales Tax outside PA where applicable
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- Manufacturer Warranty included with purchase
- Questions? +1 (855) 498-2147
Professional Tire Patches - KEX Radial Repair Unit (MX40, 10-Pack)
2-Ply Reinforced Construction for Crown, Shoulder & Sidewall Repairs
KEX MX40 radial repair units provide professional tire restoration with 2-ply construction for secure repairs across 10 different scenarios.
Key Benefits and Performance Features
Tire Repair Applications
Perfect for tire service professionals requiring reliable tire patch solutions:
- Crown area repairs on passenger vehicles.
- Shoulder damage on cars and light trucks.
- Sidewall repairs on commercial trucks.
- High-volume shop operations.
- Fleet maintenance programs.
Product Specifications
| Specification | Details |
|---|---|
| Dimensions | 4" x 8" (102 x 203 mm) |
| Construction | 2-Ply Reinforced |
| Quantity | 10 patches per box |
| Compatibility | Passenger / Truck / Commercial Radial Tires |
| Recommended Cement | KX-511F Flammable Chemical Cement |
| Brand | KEX |
| Model | MX40 |
Installation Requirements
For optimal performance:
- Clean repair area and remove all debris.
- Buff tire surface per standard procedures.
- Apply KX-511F cement evenly.
- Position patch center over injury point.
- Use proper tools for complete adhesion.
Professional Radial Repair Units for Your Shop
Each box contains 10 reinforced patches for crown, shoulder, and sidewall repairs. Compatible with KX-511F cement for secure installation.
Stock your shop with KEX MX40 tire repair patches today.Frequently Asked Questions
What tire types work with the KEX MX40 radial repair unit?
The MX40 repairs radial passenger car tires, light trucks, and commercial vehicles with excellent results. It handles crown and shoulder repairs on all tire types, plus sidewall repairs specifically on truck tires. The 4" x 8" size accommodates most common puncture patterns found in automotive service operations today.
How does 2-ply construction compare to single-ply tire patches?
The 2-ply construction provides significantly stronger adhesion and puncture resistance compared to standard single-ply patches. This translates to longer-lasting repairs, reduced callback rates for tire service shops, and better performance under high stress loads. The reinforced layers also handle extreme temperature variations more effectively.
Do I need special cement for KEX MX40 installation?
Yes, KEX specifically recommends using KX-511F flammable chemical cement for optimal bonding performance with the MX40 patches. This specialized cement ensures the MX center design adheres properly and creates a permanent seal over damaged areas. Using incompatible cements may compromise repair integrity and void performance expectations completely.
What is the shelf life of these tire repair patches?
These patches maintain effectiveness for several years when stored properly in cool, dry conditions away from direct sunlight and temperature extremes. Keep the original packaging sealed until ready to use individual patches to prevent adhesive degradation. Proper storage prevents bonding issues and ensures consistent performance during installation procedures.
About the Brand
