90mm, 2ply Bias Ply Repair Patches

General Info.

Product Name: 90mm Bias Tyre Repair Patch

Part No.: BP-R902

Specification: 90mm, 2ply, Round

Packaging: 10pcs/box, 24 boxes per carton

Selling Points

1. Each reinforcing ply is protected and encased in a molded ply package, making each unit strong while remaining flexible.

2. Designed for chemical vulcanization or low-temperature systems, ensuring reliable performance in various conditions.

3. Features gray vulcanizing gum with a blue poly backing for easy identification and durability.

4. Offers excellent flexibility, greater strength, and superior construction for long-lasting repairs.

Quality Guaranteed

Our products are of high quality, comparable to leading brands like Rema Tip Top and Tech. We offer samples for customer testing and evaluation to ensure satisfaction.

Description

The 90mm bias repair patches are ideal for both tubeless and tube-type tires. They provide excellent flexibility, strength, and durability, having been tested and trusted by millions of miles on the road. The design includes a rubber ply between fabric and cushion gum, acting as a shock-absorbing layer. This construction makes application easier and allows repairs to be made closer to the tire bead, eliminating the need for separate sidewall units.

INSTRUCTIONS

• Inspect the tire for repairability using the manufacturer’s guidelines or HOPSON LAB standards. If repairable, mark the injury with a crayon and carefully remove the object causing damage.
• Probe the injury to determine its size and direction, removing all debris and damaged material.
• Select the appropriate repair patch based on the injury and tire type. Apply prebuff cleaner to the area and use a rubber scraper to remove dirt and mold lubricants. Use a carbide cutter to drill the injury channel three times from the inside and three times from the outside, ensuring only good rubber remains.
• Cement the injury channel with chemical vulcanizing cement and install the appropriate vulcanizing insert. Trim it flush with the tire inner liner. Mechanically buff the repair area to a smooth texture, then clean off any dust using a brush or vacuum. Apply chemical vulcanizing cement to the buffed area and allow it to dry completely.
• Remove the backing and center the repair patch over the injury, stitching it down thoroughly from the center outward to eliminate trapped air.
• Finish the repair by applying inner liner sealer around the edge of the patch and the buffed area.

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