ISO 8307 Flexible Cellular Polymeric Materials Determination of Flexibility by Ball Rebound

Material Testing

ISO 8307 Flexible Cellular Polymeric Materials Determination of Flexibility by Ball Rebound

EUROLAB laboratory provides testing and compliance services within the scope of ISO 8307 standard. This document specifies a method for determining the flexibility of flexible cellular polymeric materials by ball rebound.

ISO 8307 Flexible Cellular Polymeric Materials Determination of Flexibility by Ball Rebound

A steel ball is dropped on the test piece from a certain height and the rebound height is measured.

The recoil tester shall consist of a vertical transparent tube with an inside diameter of 30 mm to 65 mm. A steel ball with a diameter of 16 mm ± 0,5 mm and a mass of 16,8 g ± 1,5 g, test by means of a tube from a height of 500 mm ± 0,5 mm with a magnet or other instrument
is dropped vertically onto the part. suitable device. The steel ball must be released so that it drops without turning and is effectively centered.

This document specifies a method for determining the flexibility of flexible cellular polymeric materials by ball rebound. A steel ball is dropped on the test piece from a certain height and the rebound height is measured.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:
For the purposes of this document, the following terms and definitions apply.
flexible cellular material with more than 25% closed cell volume closed cell flexible cellular material,

ISO 23529, Rubber - General procedures for the preparation and conditioning of test pieces for physical test methods.

If the tube is not held in a vertical position, measurement errors may occur and measurements may be invalid due to the contact of the recoil ball with the inner surface of the tube. Therefore, it is recommended that the pipe be mounted at right angles to the rigid baseplate and that the baseplate itself is horizontal.
It is important to use a spirit level or similar device to ensure

EUROLAB assists manufacturers with ISO 8307 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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