Elkem Silicones launches pioneering silicone adhesive for reliable HVAC systems

Elkem ASA’s Silicones division introduces BLUESIL™ ESA 8352 A&B, a breakthrough two-component adhesive designed to meet the exacting demands of heating, ventilation and air conditioning (HVAC) systems in complex industrial environments. The new solution cures at room temperature, combining advanced self-bonding technology with outstanding thermal resistance to ensure robust assemblies – even in harsh conditions. BLUESIL™ ESA 8352 A&B also supports environmental targets, reducing energy consumption and promoting more sustainable production practices.

Addressing key HVAC manufacturing challenges

Energy efficiency and sustainability are top priorities as HVAC systems face increasingly severe operating conditions. BLUESIL™ ESA 8352 A&B provides manufacturers with dependable, primeless adhesion on multiple substrates including metals and plastics, streamlining assembly and lowering total production costs. Room-temperature curing accelerates part handling, increasing throughput on manufacturing lines. The adhesive tolerates thermal expansion, resists both high temperatures and chemical exposure, and creates durable, leak-proof seals essential for modern HVAC environments. Easy mixing and dispensing allow integration with automated or manual workflows, supporting operational efficiency and consistent quality.

With a handling time of about half an hour / between 25 to 30 min , BLUESIL™ ESA 8352 A&B improves manufacturing of the HVAC units – a key advantage in temperature-sensitive HVAC environments. The adhesive’s thermal and chemical resistance ensures long-term reliability, minimizing maintenance needs and maximizing equipment lifespan.

Certified UL 94 HB for flammability resistance, BLUESIL™ ESA 8352 A&B withstands continuous temperatures up to 180°C (356°F), with peaks reaching 220°C (428°F). It adapts to complex geometries and works seamlessly with precise dosing systems, helping manufacturers achieve consistent results and reduce defects.

BLUESIL™ ESA 8352 A&B was developed to meet two critical market requirements: increased demand for high-temperature flexible silicone adhesives that deliver reliability in challenging environments, and the need for versatile solutions that adapt to specific processing and assembly speeds,” said Catherine George, regional market manager at Elkem Silicones. “Its ability to cure at room temperature, along with strong adhesion on multiple substrates, enables our customers to reduce energy use, streamline production and deliver high-performing systems”

Showcasing at JEC World 2026

Elkem will showcase BLUESIL™ ESA 8352 A&B at JEC World in March 2026, the leading global event for composite materials and advanced manufacturing solutions. HVAC professionals and related sectors will discover how Elkem’s new adhesive technology enhances reliability, durability, and energy efficiency in demanding applications.

About Elkem

Elkem is one of the world’s leading providers of advanced silicon-based materials shaping a better and more sustainable future. The company develops silicones, silicon products and carbon solutions by combining natural raw materials, renewable energy and human ingenuity. Elkem helps its customers create and improve essential innovations like electric mobility, digital communications, health and personal care as well as smarter and more sustainable cities. With a strong track record since 1904, its global team of more than 7,200 people has a joint commitment to stakeholders: Delivering your potential. In 2024, Elkem achieved an operating income of NOK 33 billion. Elkem has been awarded top scores of A on Forests and Water Security, and B on Climate Change from CDP. Elkem is listed on the Oslo Stock Exchange (ticker: ELK), where the company is also included in the ESG Index. www.elkem.com         

Learn more about BLUESIL™ ESA 8352 A&B and its HVAC applications: Flyer BLUESIL™ ESA 8352 A&B 

Media contact: 
Eric Echampard 
eric.echampard@elkem.com