Radio Frequency Vulcanization

There are several advantages associated with the use of Radio Frequency (RF) technology in the vulcanization process, particularly for foams such as natural latex and SBR foam. These advantages include energy and cost efficiency, faster vulcanization, uniform and complete vulcanization, the elimination of post-vulcanization steps, cheaper and lighter molds, and easy product stripping.

One significant advantage of RF vulcanization is its energy and cost efficiency, with energy consumption reduced by approximately 50% compared to traditional steam vulcanization methods. The use of RF fields enables rapid absorption of electromagnetic energy by the water within the foam, uniformly throughout its volume. Consequently, the foam can be heated and vulcanized within a few minutes, both in the center and on the surface. The reduced process time directly corresponds to a decrease in the required space for RF vulcanization equipment to achieve a specific production capacity.

RF technology offers specific solutions for vulcanizing natural latex and SBR foam, whether inside molds for mattress cores and pillows or as a continuous sheet (LPC). Molds used in RF vulcanization are made from lightweight and cost-effective composite materials, leading to a weight reduction of over 60% compared to traditional metal molds. The decreased mass of the molds, combined with minimal heat losses to the environment, contributes to the high efficiency of the RF vulcanization process. These factors result in documented energy savings of over 50% compared to steam vulcanization methods. Furthermore, special mold materials enable easy and quick stripping of the vulcanized foam products.

Another advantage of RF vulcanization is the flexibility it offers in mold design. Unlike traditional methods that rely on numerous pins, RF technology allows for more versatile mold designs. This flexibility enables latex producers to easily adapt to the latest market trends in mattress and pillow design.

In addition to the RF equipment itself, comprehensive solutions are available for full latex foam production lines, including ancillary equipment and automation. Consultancy services are also provided to assist in optimizing latex technology, achieving the best quality foam products, and developing customized solutions by harnessing the benefits and versatility of RF equipment.

Work frequency: 27,12 MHz 

Typical Thickness to Vulcanize: 50 - 160 mm

Other Applications links:

• RF Radio Frequency Latex foam, techno polymers and composites - vulcanizing and drying of natural latex

• RF Radio Frequency Latex foam, techno polymers and composites - LATEX FOAM Drying and vulcanizing of latex foam SBR

• RF Radio Frequency Latex foam, techno polymers and composites - IMPREGNATED RESINS Drying and thermosetting of impregnated resins PU 

• RF Radio Frequency Latex foam, techno polymers and composites - PAPERY SUBSTRATES Drying and gluing of papery substrates

• RF Radio Frequency Latex foam, techno polymers and composites - CERAMICS AND COMPOSITES Drying and thermosetting of ceramics and other composite material Drying of papery substrates

• RF Radio Frequency Latex foam, techno polymers and composites - POLYURETHANE FOAM Drying and thermosetting of Polyurethane foam drying of ceramic tiles