LOCTITE® 4105 is a black instant adhesive that cures rapidly to form a tough, flexible bond well suited for responsibility to peel and cleavage stress. It offers excellent resistance to thermal shock, humidity and wave soldering conditions.
Colour: Black
Viscosity: ~4 000–7 000 mPa·s (Brookfield RVT)
Fixture time: 60–120 s on steel, 10–30 s on aluminium, 15–25 s on rubbers and typical plastics
Gap fill: Up to 0.2 mm
Shear strength on grit blasted mild steel: ~22 N/mm² after 24 hours
Service temperature: –55 °C to +82 °C
Specific gravity: ~1.1 at 25 °C
Primary Chemistry:
Ethyl cyanoacrylate with rubber toughening
LOCTITE® 4105 is a one component instant adhesive formulated to deliver fast fixture and strong performance across a range of substrates including metals, plastics and rubbers. Its rubber toughened chemistry improves flexibility and impact resistance while maintaining exceptional shear strength. It cures at room temperature via atmospheric humidity and achieves full strength through continued cure over 24 hours.
Colour: Black
Viscosity: ~4 000–7 000 mPa·s (Brookfield RVT)
Fixture time: 60–120 s on steel, 10–30 s on aluminium, 15–25 s on rubbers and typical plastics
Gap fill: Up to 0.2 mm
Shear strength on grit blasted mild steel: ~22 N/mm² after 24 hours
Service temperature: –55 °C to +82 °C
Specific gravity: ~1.1 at 25 °C
Primary Chemistry:
Ethyl cyanoacrylate with rubber toughening
Enables fast assembly in production environments
Resist impact and peel stress better than standard cyanoacrylates
Supports bonding of mixed materials such as plastic to metal
Reduces failure risk under temperature shock or exposure to moisture
Use LOCTITE® 4105 for rapid bonding of metals, plastics and rubbers in assemblies that demand durability and fast production cycle times. Apply a small drop to one surface, align parts, and allow the adhesive to set. Full functional strength is achieved after 24 hours. This adhesive is widely employed in electronics assembly, automotive interior components and small part manufacturing.
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