EN 28510-1 Test Fixture
EN 28510-1 specifies a 90° peel test for the determination, under specified conditions, of the peel resistance of a bonded assembly of two adherends
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EN 28510-1 Adhesives – Peel Test for a Flexible-Bonded-to-Rigid Test Specimen Assembly
Part 1: 90º Peel
EN 28510-1 specifies a 90° peel test for the determination, under specified conditions, of the peel resistance of a bonded assembly of two adherends where
at least one adherend is flexible.
If a normal tensile testing machine is used for the test, the peel angle will not be constant at exactly 90º.
If a constant angle of exactly 90° is required, a roller peeling device is used .
The 90º peel test is particularly suitable for use with less flexible adherends for which a 180° peel test is not suitable because the adherends crack, break or delaminate.
EN 28510-1 Apparatus
Tensile Testing Machine (incorporating a roller peeling device if a constant peel angle of exactly 90º is required), capable of supplying a tensile force with
a constant rate of grip separation.
The machine shall be equipped with a force-measuring system complete with an indicator and/or a recorder.
The indicated force shall not differ from the true applied force by more than 2 %.
The response time of the machine shall be short enough not to affect the accuracy with which the force applied at the time of rupture can be measured.
The force at rupture of the specimen shall lie in the range between 10 % and 80 % of the full-scale reading.
Grips, one of which shall be suitable for firmly clamping the rigid adherend , while the other shall be suitable for holding the flexible adherend.
The latter grip shall be self-aligning, so that the force will be exerted normal to the plane of the bond, and linked to the sensor of the tensile testing machine
by a wire of minimum length 600 mm.
*** Before conducting EN 28510-1 , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.
***PARSROS offers several types of grips and fixtures which will enable you to perform a variety of tests
that are accurate and repeatable.
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