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Precured Rubber Linings: Benefits, Uses and Applications

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Precured Rubber Linings: Benefits, Uses and Applications

Blair Rubber / Precured Rubber Linings: Benefits, Uses and Applications

Multiple industries require corrosion protection to prevent capital equipment losses, production slowdowns, employee injuries, or damage to the environment. Blair supplies protective rubber and synthetic linings for a wide range of businesses from chemical to mining, utilities and water treatment plants and tank cars, barges, and OTR trailers, to name a few. Within the line of natural rubber coatings, customers can choose between precured or vulcanized rubber, with each offering identical protective capabilities, but a few slight differences in application. 

Precured rubber linings can serve as a viable option when a rubber lining needs to be applied but steam isn’t available to cure or vulcanize the lining. This occurs most often in field operations, far removed from a manufacturing plant or job shop where the type of equipment required for vulcanization simply isn’t available. 

Precured rubber linings offer all the protective capabilities of their vulcanized counterparts, with a few minor caveats to consider prior to selection of precured versus vulcanized rubber. Precured rubber linings are slightly less flexible than vulcanized rubber linings and would not be the best choice for containers or applications with a great deal of curvature, such as pipe linings. 

In addition, precured linings must be adhered by cold bond adhesive systems. For this reason, the cold bond adhesive and precured linings are not recommended for hydrochloric acid containment. 

Some of the benefits of precured rubber linings: 

  • Saves time – precured rubber linings do not require the curing phase. The curing process can take anywhere from 48 to 72 hours, depending on the thickness. 
  • Same properties – precured rubber linings provide the same protection against corrosion as vulcanized rubber.
  • Availability – precured is available as hard or soft rubber lining in multiple different formulations depending on its end-use or application purposes.  

Because such a broad variety of factors is involved in calculating the best compound or solution for corrosion protection, we recommend consulting our technical staff about your specific application and environment.  

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Disclaimer: This article is provided for general informational purposes only and is not intended as technical, engineering, safety, or professional advice for any specific situation, tank, application, or project. Every tank, chemical, and operating environment is different. Nothing here should be treated as a recommendation to select, install, or rely on any particular product, material, or method, and it should not be used as a substitute for advice from a qualified engineer or other professional familiar with your specific circumstances. Reasonable care has been taken in preparing this content, but no guarantee is made as to its accuracy, completeness, or currency, and it may not reflect the latest industry standards, regulations, or product developments. Before making any decisions based on this information, you should seek advice tailored to your specific situation from an appropriately qualified professional. No responsibility is accepted for any loss, damage, or liability arising from reliance on this article.

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