*Please Note: The information outlined above is to be used as reference for ASTM D Standard Test Methods for Rubber Property – Adhesion to Rigid. ASTM D determines the adhesion strength of rubber to rigid materials, such as metals. The standard requires that the testing machine conform to practices. 9 Sep This standard is issued under the fixed designation D ; the 1 These test methods are under the jurisdiction of ASTM Committee D11 on.

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The standard calls out several test types related to rubber adhesion strength; however, Methods A and B are the most common. Place your specimens in the tensile test machines and pull to failure each test piece which remains sufficiently intact, including those exposed to the chosen environmental conditions and the control test pieces, and record the peak force required to do this.

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This test is often used to find which adhesive is best for the given rubber. Method A describes a tension test used to determine the bond of a rubber part assembled between two parallel metal plates. Slippage in grips will be a big challenge in testing rubber coating of metal because coating adhesion must be strong but rubber material necks down, also called Poisson effect. The test is an orthogonal tensile test where the puck is pulled apart in tension.

We highly recommend not using deadweights as those are outdated methods of retrieving data. Force range of 5 kN to kN 1, lbf tolbf Adjustable test space The most popular choice for static tension and compression tests These dual column testers are available in both tabletop and floor standing models. The data obtained indicate the strength of adhesion along a line across the width of the rubber strip being separated from a metal plate at a 90 degree angle.


Data from this test will be a typical tensile force plot force vs displacement. Method H is used for determining relative bond durability between adhesives with a quadruple shear test.

ASTM D429 Rubber Property – Adhesion to Rigid Substrates

A shear test is done until a break occurs at a depth of 5 mm at the rubber-metal bond interface. Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.

This allows the handles to rotate, which facilitates opening the mold. Vulcanizing is consists of a chemical reaction with sulfur and heating which improves the mechanical properties of rubber. Place the tab in the grip and apply a steady load at the rate of 50 mm 2.

ASTM D429 – 14

Give one of our engineers a call today and they can help guide you through the ASTM D test process with the best machine configuration for your requirements. We use cookies to improve your browsing experience. Then subject the test pieces to the chosen environmental conditions. The bonded area is 25mm by 25mm in the middle of the metal piece. The challenges of testing to this standard are: Email addresses can only contain letters, numbers and the following special characters: Thicker specimens, which are prepared in dual platen laboratory molds, are often subject to damage caused by the difficulty of extraction.

ASTM D Rubber to Metal Adhesion Test Equipment

To prepare the specimens for D42 D, 6 rubber pucks are mounted in an assembly with a clamp to hold compressive force. In the Figure 7 diagram, the specimen is shown in a horizontal position, when in reality, the specimen would be placed vertically in the test machine. Prepare the rubber specimen for this test by vulcanizing it to the metal material of the tank. We are confident that we have what you are looking for.


Email addresses must contain the symbol. It opens to expose both horizontal specimen surfaces, greatly easing specimen removal.

The middle of the specimen is rubber which bonds the two cones together. CCSi UltraLife molds are designed, engineered, and manufactured to produce high quality specimens, over an extended service life!

ASTM D test standard determines the adhesion of rubber to rigid metal substrates. Place the tab in the grip and apply a steady load at a test speed of 50 mm 2. Bluehill Universal Ashm Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience.

Loads as high at 10, pounds can be common. Record the total load at the time of failure.

Measuring adhesiveness with ASTM D Method C – PHOTOS | Hot Topics

To begin testing, place the test specimen in the jaws attached to the fixed grip with the separating edge toward the operator. They can be r429 with a selection of interchangeable grip jaw faces in various sizes and choice of surfaces including smooth ground, rubber-coated and serrated.

Our Universal Testing Systems meet this specification and provide an appropriate solution for this test application. CCSi UltraLife molds feature a unique cam-action hinge design which improves the critical distribution asttm pressure.