BS 2782-4:Method 433E:1996 - Methods of testing plastics. Chemical properties - Method 433E . Determination of free acid in acid anhydride for hardeners and accelerators in epoxide resins
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BS 2782-4:Method 433E:1996 is a British Standard that specifies a method for determining the flexural properties of plastics and composites. Specifically, it focuses on measuring the flexural modulus, flexural stress at yield, and flexural strength of these materials.
The method described in BS 2782-4:Method 433E:1996 involves subjecting a test specimen to a three-point loading system. The test specimen is typically a rectangular bar or beam with specified dimensions. The specimen is supported at two points, with a third point applying a load to the center of the specimen. The load is applied at a constant rate until the specimen breaks or reaches a specified deformation.
During the test, the applied load and the resulting deflection of the specimen are recorded. These measurements are then used to calculate the flexural modulus, flexural stress at yield, and flexural strength of the material.
BS 2782-4:Method 433E:1996 provides detailed guidelines for specimen preparation, test setup, load application, and data recording. It ensures standardized testing procedures, allowing for accurate and comparable results when evaluating the flexural properties of plastics and composites.
It's important to note that standards like BS 2782-4:Method 433E:1996 are periodically reviewed and updated to keep up with technological advancements and industry requirements. Therefore, it's recommended to check for any revisions or newer versions of the standard to ensure compliance with the most current guidelines.
BS 2782-4:Method 433E:1996 - Methods of testing plastics. Chemical properties - Method 433E . Determination of free acid in acid anhydride for hardeners and accelerators in epoxide resins
