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International Standards

ISO 13802

Introducing ISO 13802 - Industrial Physics 

ISO 13802 is a global ISO standard that guides charpy, izod and tensile impact testing of plastic samples using a pendulum impact tester.  

To perform a successful ISO 13802 impact test you’ll need to subject your sample to a single blow from the striker of a pendulum impact testing machine at a high and constant velocity.  

The impact energy absorbed in striking your test specimen like this is taken as being equal to the difference between the potential energy of the pendulum and the energy remaining in the pendulum after impacting the specimen. The measured impact energy is also corrected for friction and air-resistance losses. 

ISO 13802 impact testing basics 

This ISO international standard is applicable to pendulum-type impact-testing machines, of different capacities and/or designs. Just make sure yours meets the geometrical and physical property requirements as defined by ISO 13802. 

A pendulum impact testing machine verified in accordance with ISO 13802 standards as ‘satisfactory’ is suitable for impact testing with unnotched and notched test specimens of different types. 

This ISO impact testing standard also describes methods to verify the geometrical and physical properties of the different parts of the pendulum impact testing machine. The verification of some geometrical properties is difficult to perform on the assembled instrument.  

ISO 13802 impact testing key definitions

Here are some of the common terms you’ll encounter when you are impact testing to ISO 13802 standards.   

Verification: the proof, with the use of calibrated standards or standard reference materials, that the calibration of an instrument is acceptable. 

Calibration: a set of operations that establish, under specified conditions, the relationship between values indicated by a measuring instrument or measuring system and values corresponding to appropriate standards or known values derived from standards. 

Period of oscillation of the pendulum: the period, expressed in seconds, of a single complete oscillation of the pendulum. 

Centre of percussion: the point on a pendulum at which a perpendicular impact in the plane of swing does not cause reaction forces at the axis of rotation of the pendulum. 

Release angle: the angle, expressed in degrees, relative to the vertical, from which the pendulum is released.  

Impact velocity: the velocity, expressed in meters per second, of the pendulum at the moment of impact.  

ISO 13802 impact testing equipment

So, how can Industrial Physics improve your ISO 13802 impact testing?  

Advanced Pendulum Impact System – Ray-Ran 

Our pendulum impact tester uses microprocessor technology to determine the energy required to break or rupture specimens in plastic or ceramics. The apparatus can test for izod, charpy or tension impact and carry out small diameter pipe and component testing. 

Need ISO 13802 testing solutions? Get in touch

We’ve learnt a thing or two about impact resistance testing over the decades. Now Industrial Physics is recognized as a brand that likes to bring new, innovative impact resistance testing equipment, including pendulum impact testing machines to market. 

We like to share our knowledge and we’re here to help you to answer your questions about impact resistance testing. Across the knowledgebase section of our website we publish lots of blogs on related subjects. For example, here’s a piece that explores the various types of impact test inspection equipment on the market. 

If you have any questions about ISO 13802 and how we can help you with your pendulum impact testing, then please just get in touch!

Contact us - Industrial Physics

Your global test and inspection partner for ISO 13802