Tube Patch - Small Round 42 mm (1 pc.) - 1-11-645
- Round patch. For tube repairs. With blue vulcanizing gum, rubber. 4,2cm.
EURO Tube Patch 42 mm – Xtra Seal
Vulcanizing inner tube patch | EURO type | Brand: Xtra Seal | Sold as: 1 pc.
The EURO tube patch 42 mm from Xtra Seal sits in the middle of the EURO patch line — larger than the 30 mm and 35 mm variants meant for single, minor punctures, but clearly smaller than the 114 mm format used for more extensive damage. It suits punctures from thicker nails or sharp debris, as well as somewhat irregular-shaped damage where a smaller patch wouldn't leave a full safety margin. Applied with cold-cure vulcanization, it's built on a slit mylar backing, the same as the rest of the line.
Product Overview – EURO Tube Patch 42 mm 11-645
The patch consists of black rubber over a blue tie gum, which bonds it to the repaired tube surface once cured. Thin, even edges keep the patch lying flat against the tube, lowering the risk of the edges lifting over time and making it harder for dirt to collect around the repair.
The slit mylar backing is peeled off right before the patch is applied to the prepared, cement-coated tube surface — until that point, it protects the patch base from dust and accidental contamination.
Features and Specifications
A mid-size EURO format, for punctures larger than typical but short of the biggest formats.
Creates a durable, sealed bond between the patch and the repaired tube surface.
Lower the risk of edges lifting and reduce dirt buildup around the repair.
Protects the patch base from contamination and peels off easily right before mounting.
Applied with Xtra Seal chemical cements, no heat required.
A format suited to tire repair shops and vulcanizing workshops.
Technical Specifications
| Parameter | Value |
|---|---|
| Part number | 11-645 |
| Brand | Xtra Seal USA |
| Product type | EURO tube patch |
| Diameter | 42 mm |
| Material | Black rubber over blue tie gum |
| Protective layer | Slit mylar |
| Cure method | Cold |
| Application | Car, agricultural, and industrial tube repair |
| Sold as | 1 piece |
Applications
Where This Patch Is Used
- Repairing larger-than-typical punctures in car inner tubes
- Repairing punctures in agricultural inner tubes
- Repairing punctures in industrial inner tubes
- Tire repair shops and vulcanizing workshops
- Mounted with cold-cure vulcanization using Xtra Seal cements
Frequently Asked Questions
Can the EURO 42 mm patch be used with hot vulcanization?
No — this product is meant for cold-cure vulcanization with Xtra Seal chemical cements. For repairs that call for hot vulcanization or a two-stage method, look to other patches in the Xtra Seal range built for those processes.
When should you choose 42 mm over 35 mm or 114 mm?
The 42 mm size suits damage that's clearly bigger than a single nail puncture, but still falls into the category of a single hole rather than extensive loss of material. For a small hole, 30 mm or 35 mm is usually enough; for significantly larger damage, the 114 mm format gives a wider margin.
Which cements and sealants work with the 11-645 patch?
The manufacturer recommends Xtra Seal's Standard cement or the blue Super-Blu cement for mounting, followed by Sealiner to protect the edges and buffed surface after the patch is applied.