McLube® cure tape releases are water-based emulsions that form a durable but flexible coating that facilitates tape removal from finished hoses and improves cover appearance. Our flexible coatings are unaffected by stretch, shrink, and compression and thermally stable to 500°F (260°C) or higher. McLube® cure tape release coatings are chemically inert and will not interfere with vulcanization or otherwise chemically react with hose materials. McLube® cure tape coatings also help protect tapes from physical and chemical degradation over time to extend their effective lifespan. Contact McLube® and one of our experienced Technical Representatives will walk you through the process of selecting, testing, and implementing the ideal cure tape release agent to achieve your goals.
Cure Wrap Tape Release Coatings
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Featured Products
| Product | Description |
|---|---|
| McLube® 424A | Water-based formula with PTFE, polymeric resins, and other additives | May be used as a rigid mandrel lubricant and cure-tape release coating | Multiple vulcanizations per application | Non-staining |
| McLube® 1849 | Water-based emulsion of fluoropolymers and proprietary crosslinking additives | Promotes smooth surface finish on cover materials | Dilutable for additional cost savings | Non-staining |
Details & Benefits
Benefits
- Easy release from any cover material
- Will not chemically react with your hose materials
- Help furnish a smoother surface finish on the cured hose
- Multiple vulcanizations per application
- High heat and pressure tolerances
- Non-transferring and non-staining
- Unaffected by stretch, shrink, and compression
- Prevent color transfer curing the curing cycle
- Concentrates available for inhouse dilution
Applications
Supported Tape Materials
McLube® cure tape release coatings can be used on a variety of cure tapes, including polyamide 6-6 (Nylon), para-aramids, meta-aramid yarns, and natural cotton. Our tenacious release coatings may also be applied to PTFE-finished tapes to provide additional release properties as the PTFE finish begins to wear off.
Supported Applications
McLube® cure tape release coatings are currently used during vulcanization of elastomeric rollers, belts, high-pressure hydraulic hoses, automotive hoses, and flexible and expansion joints. Our release coatings will facilitate removal of tapes from a variety of cover materials, including EPDM, CPE (PE-C), Neoprene (chloroprene), and Buna-N (NBR and other nitriles).
Performance
Adhesive Strength Factor
Hose manufactures must achieve specific shrink rates and pressure to optimize the adhesive strength factor between the rubber and reinforcing materials of their hose. If one of our existing coatings is not ideal for your application, then McLube® Technical Representatives and Formulation Chemists will work with you to design a cure tape coating with the appropriate flexibility and release characteristics to suit your specialized process conditions and temperatures.
Tape Protection
Some hose manufacturing materials are microscopically abrasive and release harmful compounds during curing steps. These production factors coupled with normal wear and tear will degrade cure tapes over time, causing poor surface finish and ineffective hose compression. McLube’s durable coatings will protect against mechanical and chemical degradation to extend the lifespan of your cure tapes.
Consult a local McLube® Technical Representative to find the ideal formula available for your needs. Featured products displayed on this page from time to time are for promotional purposes only and do not represent the full product line McLube® offers for this particular material or application. Product availability, including container sizes, concentrations, and aerosols, will vary by country or region. Names of certain products may also vary slightly (prefix, suffix, etc.) depending on your location without affecting performance.
