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Temperature Effects on Adhesives

Temperature Effects on Adhesives During Storage, Application, Curing, and Use.

Many environmental conditions affect how adhesives cure and perform over long periods of time. One of the most significant environmental factors is temperature. Minor changes in temperature can have major changes in cure speed and storage life of adhesives. Most organic adhesives have maximum continuous operating temperatures and if exposed to higher temperatures for long periods of time their performance drops significantly. Permabond has put together some guidelines for your reference to eliminate or control the impact of temperature effects on your application.

Controlling Cure Rates and Production Speed  Effect of Environmental Temperature

The temperature at which the adhesive is being applied and used will affect its cure. All cure times quoted in Permabond Technical Data Sheets are taken at 23°C.

The anaerobic sealants are affected by a rise or fall in the temperature of the area in which they are being used. The general rule is for every 8°C (15°F) that the temperature increases; the time required for the adhesive to cure will be halved. Conversely, if the temperature is 8°C (15°F) cooler the cure time will double.

Cyanoacrylates cure using surface moisture and are less affected by temperature. However, the humidity and the type of surface being bonded can affect cyanoacrylates.

Heat cure schedules for single component epoxies can be found on the technical data sheets.

The cure rate of 2 part epoxy can be accelerated with heat.

For effects on other adhesive technologies such as structural acrylics, MS Polymers, and polyurethanes, please contact us.

Service Temperatures

Permabond’s adhesives are organic in their chemistry and, as such, generally have service temperature ranges between -50°C to 250°C (-60°F to 482°F). Please refer to the Technical Data Sheet for the specific product grade features including the temperature range.

For more information on how temperature may affect your application, please contact our technical team.