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Single-Part Epoxies

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Permabond single-part epoxy adhesives are suitable for bonding a wide variety of materials.They are available with a range of different viscosities and with and without metal filler.Permabond epoxies have been developed to offer a high standard of performance for demanding applications.

 

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Single-Part Epoxies
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Substrates
Permabond single-part epoxy adhesives will bond most engineering materials. They form excellent structural bonds to a wide variety of materials including metals, composites, wood and even some plastics.
Durability
These adhesives offer excellent performance at high temperatures and harsh environmental conditions, having superb resistance to strong chemicals.
Applications
Single-part epoxies are ideal for use in heavy wear-and-tear applications such as bonding tungsten carbide tools & machinery. They are ideal for replacing welding and brazing and can significantly reduce assembly production costs. For this reason their use is widespread in the heat exchanger market for sealing heat exchanger tubes and end-plates.
Material selection
By replacing welding or brazing, the designer can have greater freedom of choice of manufacturing materials and can bond dissimilar substrates together. This can help reduce component cost and weight and improve performance.
Process
Adhesive is available in cartridge form or in bulk to dispense via automated dispensing equipment. The adhesives cure rapidly when heated so it is necessary to use an oven to cure the adhesive (or other method such as an induction coil, infra-red or a hot air gun).
Joint Design
Joint design possibilities are greatly improved by the high shear and peel strength of joints bonded with these adhesives because of the increased stress distribution that they offer.
Benefits
● High peel strength increases design versatility
● No requirement for weighing or mixing material
● Durability increases material choices
● Rapid cure increases production rates
● Solvent free improves workplace safety
● Low odour improves workplace environment
 
This table represents a selection of the complete range of Permabond single-part epoxy adhesives
Grade

MSDS

Description Colour Viscosity (mPa.s) Maximum Gap Fill (mm) Cure Time at 150°C (mins) Shear Strength (steel) (Mpa) Shore D Dardness Service Temperature (°C)
Permabond ES550 ES550 Toughened, non-sagging at curing temperature, high temperature resistance, good thermal conductivity Grey 1,000,000 - 2,000,000 3.0 20 27-41 80 -40 to +180
Permabond ES558 ES558 Toughened, free flowing at curing temperature, high temperature resistance, good thermal conductivity Grey 100,000 - 300,000 0.5 45 27-41 80 -40 to +180
Permabond ES562 ES562 Free flowing at curing temperature, high temperature resistance White 15,000 - 25,000 0.25 30 20-35 80 -40 to +180
Permabond ES569 ES569 High strength bonding, non-sagging at curing temperature, high temperature resistance Black 250,000 - 500,000 5.0 45 27-41 80 -40 to +180
Permabond ES578 ES578 Good thermal conductivity, excellent electrical insulation. High temperature resistance Black 600,000 - 800,000 5.0 20 27-41 84 -40 to +180
Cure-speed varies depending on cure temperature (refer to technical datasheet for recommended cure times). These will depend on the time it takes for the adhesive to reach this temperature - for example, large assemblies or a crowded oven will require longer to reach full cure. Alternative, quicker methods of curing include induction, hotplates, infrared lamps and hot-air guns.

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