ASTM D1876 is a standard test method that measures the peel resistance of an adhesive bond. The test method is also known as the T-peel test as it involves separating two bonded substrates in a T-shaped configuration. The test determines the force required to peel the bonded substrates apart and is used to evaluate the strength and quality of adhesive bonds.
By following the ASTM D1876 test method, manufacturers and users of adhesives can make informed decisions about the suitability of an adhesive for a specific application and ensure that they meet the necessary specifications for their intended use.
ASTM D1876 Test Method
The test method ASTM D1876 involves the following two steps:
| Preparing Substrate | The method proceeds by cutting two bonded substrates, typically made of metal or plastic, into a T-shaped configuration. One substrate is clamped in a stationary grip and the other is clamped in a movable grip. The movable grip is then pulled away from the stationary grip at a constant rate until the bond between the two substrates fails. |
| Applying Tensile Load | The tensile load is applied to the free end of the flexible substrates at a specified rate until the bond fails. The force required to peel the substrates apart is recorded and used to calculate the peel strength. |

