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Adhesive Floating Roller Peel Resistance Testing

Adhesive Floating Roller Peel Resistance Testing

ASTM D3167, ISO 4578

ASTM D3167 Floating peel test fixture consists of two roller bearings fixed in a frame, which is connected to the testing system through a rotatable adapter. This design ensures that the specimen is immediately aligned when force is applied, and the applied force is along the centerline of the fixture. When the beam is driven in the tensile direction, the load sensor measures the force required to peel the flexible adhesive off the rigid adhesive. 

ASTM D3167 test method covers the determination of the relative peel resistance of adhesive bonds between one rigid adherend and one flexible adherend when tested under specified conditions of preparation and testing.

ISO 4578 Adhesives - Determination of tensile lap-shear strength of rigid-to-rigid bonded assemblies

General introduction

ASTM D3167 Floating peel test fixture consists of two roller bearings fixed in a frame, which is connected to the testing system through a rotatable adapter. This design ensures that the specimen is immediately aligned when force is applied, and the applied force is along the centerline of the fixture. When the beam is driven in the tensile direction, the load sensor measures the force required to peel the flexible adhesive off the rigid adhesive.

Adhesive Floating Roller Peel Resistance Testing


ASTM D3167: Standard Test Method for Floating Roller Peel Resistance of Adhesives

ISO 4578 Adhesives - Determination of tensile lap-shear strength of rigid-to-rigid bonded assemblies

ASTM D3167 test method covers the determination of the relative peel resistance of adhesive bonds between one rigid adherend and one flexible adherend when tested under specified conditions of preparation and testing.


It is important to note that if there is a variation in thickness of the adherends this will influence the results. Therefore, if no thickness is specified as part of the material specification the following needs to be adhered to: 1, Flexible adherend – 0.63mm thick; 2, Rigid adherend – 1.62mm thick


Adhesive Floating Roller Peel Resistance Testing


Test Procedure

The unbonded end of the flexible adhesive is bonded perpendicular to the stiff substance and clamped into the grips according to ASTM D3167. The adhesive specimen is put between the two floating roller fixtures, and the load is applied as required. The test is carried out at a displacement rate according to the testing standard. When the specimen ruptures or breaks, the test is over. At least five additional specimens are required to carry out the test. 


Test Result

In ASTM D3167, Variations in the thickness of the adherents will generally influence the test values. The test results include the average peel strength, calculated from the load versus head movement curve, expressed in pounds-force per inch (or kilonewtons per meter). The report should also include detailed information about the adhesive, materials, bonding process, test conditions, specimen construction, and failure mode (adhesive or cohesive failure). Record the average, maximum, and minimum peeling loads for each specimen. 

Adhesive Floating Roller Peel Resistance Testing


Main technical specification

ASTM D3167 Adhesive Floating Roller Peel Resistance Testing Fixture:


Roller shaft diameter: 25mm

Roller shaft width: 30mm

Roller shaft center distance: 33mm

Connecting thread: internal thread M12

Standard

ISO 4578 Floating roller Peel Test for Adhesives –

ISO 4578 Adhesives — Determination of peel resistance of high-strength adhesive bonds — Floating‑roller method

ISO 4578 specifies a floating‑roller peel method for measuring the peel resistance of a high‑strength adhesive bond between one rigid adherend and one flexible adherend under defined preparation and testing conditions. It is intended for laboratory comparison of adhesives, surface treatments, bonding processes and aged vs. unaged joints. It is noted to deliver more repeatable test data than many other peel‑test approaches, even though the flexible adherend may not fully conform to roller surfaces

Peel resistance is defined as the average force per unit specimen width along the bond line required to progressively separate the two adherends, expressed in kN/m of width. 

ASTM D3167 Peel Resistance Adhesives Test - Floating Roller –

ASTM D3167 Peel Resistance Adhesives Test - Floating Roller


ASTM D3167 Floating Roller Peeling test method covers the determination of the relative peel resistance of adhesive bonds between one rigid adherend and one flexible adherend when tested under specified conditions of preparation and testing.


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