Elkem Silicones introduces self-bonding silicone adhesive for HVAC systems
Last update on Apr 8, 2026
Elkem ASA’s Silicones division introduces BLUESIL™ ESA 8352 A&B, a 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.
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Primeless adhesion on multiple substrates
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.
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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.
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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”
Elkem showcased BLUESIL™ ESA 8352 A&B at JEC World in March 2026, an event for composite materials and advanced manufacturing solutions.
Image Credits: Elkem Silicones