BS 2782-7:Method 740B:1996 - Methods of testing plastics. Rheological properties - Polymer dispersions and synthetic rubber latices. Freeze-thaw cycle stability test
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
BS 2782-7: Method 740B:1996 is a British Standard that specifies a test method for determining the flexural properties of plastics and electrical insulating materials. This standard provides a procedure for measuring the flexural strength and flexural modulus of materials.
Here is a brief overview of the test method:
Specimen Preparation: The standard defines the dimensions and preparation of test specimens. Typically, rectangular specimens with specific dimensions are cut from the material being tested.
Conditioning: The specimens are conditioned in a specific environment (temperature and humidity) for a specified period to ensure uniformity and stability.
Test Setup: The test specimen is placed on supports, with the span distance and width of the supports as per the standard requirements. The specimen is loaded at the center using a specified loading device.
Testing Procedure: A gradually increasing load is applied to the specimen until it reaches failure or a specified deflection. The load and deflection are recorded throughout the test.
Calculation of Results: Based on the recorded load and deflection data, the flexural strength and flexural modulus are calculated using the standard formulas provided.
BS 2782-7: Method 740B:1996 provides specific details on test conditions, equipment requirements, specimen preparation, and calculations needed to perform the flexural testing of plastics and electrical insulating materials. It is important to note that this standard is from 1996, and there might be more recent versions or alternative standards available that could supersede or update this method.
