FINAT Test Method 2 Peel Adhesion 90°

Materials

Adhesives

Test Types

Peel, Tear and Friction
Tension

Specimen

Rectangular

FINAT Test Method No. 2 (FTM 2) is used to investigate peel adhesion of laminates through an angle of 90° with a test speed of 300 mm per minute. Predominately used with laminates and packaging materials, it can also be used for coated laminates to investigate adhesion strengths.

In principle, the test specimen is supported by using a test plate and attaching the test sample by removing the backing material from each strip and placing the adhesive coated facing material adhesive side down onto a clean test plate using light finger pressure. The specimen is rolled twice in each direction with the standard FINAT test roller to ensure proper contact. The adherend is pulled from the substrate to measure the peel strength, generally presented in an average load divided by the specimen width.

The challenges of testing to this standard are:

Maintaining a 90° angle throughout the test
Data rate used to capture peaks and troughs
Eliminating slippage throughout the test

Instron Solution:

Maintaining a 90° angle throughout the test – The 90° peel fixture is able to maintain this angle by using a low force sliding table that is adjusted throughout the test. The fixture consists of a bearing mounted table, which is linked to the test system via a cable and pulley, as well as anchored on the back by a dampening coil spring. As the crosshead is driven in the tensile direction, the cable pulls the table to maintain a constant 90° angle peel, and the coil spring keeps the table from reacting to inertia caused by load peaks and troughs. This fixture is adaptable for both single and dual column frames.
Data rate used to capture peaks and troughs – Instron’s 5900 series frames enables data capture of up to 2.5 kHz to ensure that all fast changing test events are captured. Too low of a bandwith may “dull” the system and lead to missed peaks and troughs, resulting in lower average strength values.
Eliminating slippage throughout the test – Pneumatic grips are a great choice for peel testing as they are able to maintain constant gripping pressure throughout the testing. The grips employ a patented “quick-change” jaw face design which enables operators to easily change jaw faces to accommodate the needs of their materials.

90° Angle Peel Fixture (2820-035)

90° Angle Peel Fixture catalog number 2820-035

Products
11/7/2005
140.2 KB

5900 Series Premier Testing Systems Brochure

5900 Universal Testing Systems are engineered for precision, built for durability, and offer the flexibility for changing requirements. They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. A wide range of models are available for testing capacities from < 100N up to 600kN.

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6/1/2017
2.8 MB

2712 Series Pneumatic Side Action Grips (2712-041, 2712-042, 2712-045, 2712-046)

Instron® 2712-04x Series Pneumatic grips, packed with features to enhance gripping performance, usability, and operator safety.

Products
7/8/2009
1.7 MB

Bluehill Universal Brochure

Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience. Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest in seconds, enhanced data exporting: and Instron Connect – a new feature that provides a direct communication link to Service. Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.

Products
2/26/2017
1.4 MB

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FINAT Test Method 2 Peel Adhesion 90°

Materials

Test Types

Specimen

90° Angle Peel Fixture (2820-035)

5900 Series Premier Testing Systems Brochure

2712 Series Pneumatic Side Action Grips (2712-041, 2712-042, 2712-045, 2712-046)

Bluehill Universal Brochure

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