ASTM C765-97 (R2015) PDF Download

ASTM C765-97 (R2015) is a laboratory procedure used to evaluate the flexibility of preformed tape sealants at low temperatures. The test is designed to determine the adhesive properties and ability to withstand movement of the tape at low temperatures.

The purpose of this test method is to differentiate between flexible tapes that can accommodate movement and those that become brittle or lose adhesion when flexed under low-temperature conditions. It aims to assess the performance and aging characteristics of tape sealants, as well as identify tapes with poor flexibility due to being overextended or containing a low level of binder. Additionally, this method helps detect sealants with binders that become brittle at low temperatures.

It is important to note that the test method does not simulate actual use conditions but provides an indication of a tape's flexibility and adhesion in low-temperature settings. By conducting this test, manufacturers and users of preformed tape sealants can evaluate the suitability and durability of different products for specific applications.