Saturday, February 7, 2026

Thermoplastics: high-temperature reusable inflatable bladders and vacuum bags

RCF Technologies has engineered #bladders and vacuum bags from its patented #Rishonmaterial, which are resistant to #hightemperatures and multiple cycles. They are also designed to deliver superior part quality.


RCF’s Rishon bladders are intended to enable manufacturers to produce complex, hollow, #fibrereinforcedthermoplasticstructures. They are unique in their ability to withstand temperatures up to 850°F (454.44°C), unlike elastomer vacuum bladders and bags, which are limited to 500 °F (260 °C), and hard-to-find single-use options that only reach 600 °F (315.55 °C).


The Rishon bladder is an inflatable tool that aims to simplify and speed up the production of thermoplastic structures. When inflated, the bladder applies uniform internal pressure to the fibres, stretching them from the inside out. This eliminates wrinkles and improves consolidation. Manufacturers can thus achieve aerospace-quality parts with significantly higher reliability.


The Rishon bladder is reusable and designed for multiple manufacturing cycles. It also enables fast cycles and simpler preforming.

“Our Rishon bladders and vacuum bags represent a major leap forward for the thermoplastics industry,” said Dianne Zimnavoda, CEO of #RCFTechnologies. “Manufacturers have been asking for a high-temperature, reusable solution for years, and this product finally delivers the capability they need to scale advanced #thermoplastic production.


RCF’s Rishon bladders and vacuum bags must provide engineers and manufacturers with a reliable tool for large-scale production of strong, lightweight and complex thermoplastic components. They can be used in aerospace, defence, mobility and high-performance industrial applications, among others.


Cover photo: RCF Technologies

source : JEC Composites


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