What should the temperature of sulfur mortar be prior to use according to C617?

The appropriate temperature for sulfur mortar prior to use, as stated in C617, falls within the range of 265°F to 290°F. This specific temperature range is crucial for ensuring that the sulfur mortar achieves the necessary consistency and properties needed for application in testing procedures, such as the encapsulation of concrete test specimens.

When sulfur mortar is heated to this temperature, it becomes fluid enough to effectively encapsulate the samples without trapping air, which is vital for obtaining accurate test results. Utilizing sulfur mortar at the correct temperature also ensures that it will properly bond with the surface of the specimen, maintaining the integrity of the mold and providing the necessary support during testing.

This particular temperature range has been established through both practical application and standardized testing methods to optimize performance and reliability in construction materials testing. It’s essential to adhere to this specification to meet the requirements set forth in the standards and ensure accurate test outcomes.