Tire repair sealant, also known as tire self-sealing fluid, is a liquid that can be injected into a tire to automatically plug leaks when the tire is punctured. Its main function is to quickly seal small holes, maintain tire pressure, and prevent air leaks.
Ingredients | Function |
Deionized water | As a dispersion medium |
Natural rubber emulsion (or SBR emulsion) | Elastic material that provides plugging function |
PVA or CMC | Thickener, enhances liquid adhesion |
Acrylic copolymer emulsion | Improve plugging performance and adhesion |
Rubber particles (butyl rubber/nitrile rubber particles, particle size 50-150μm) | Actually fill the puncture hole |
Sodium nitrate/borax/potassium aluminum sulfate and other antiseprics and mildew inhibitors | Antibacterial and antiseptic |
Antfreeze (such as ethylene glycol, propylene glycol) | Ensure fluidity in low temperature environment |
Defoaming agent (silicone oil) | Prevent foaming |
Dye or fluorescent agent | Convenient for visual inspection of leaks |