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ISO 7686 Opacity Testing for Plastics pipes and fittings

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ISO 7686 Plastics pipes and fittings — Opacity — Test method

ISO 7686 principle consists in measuring the light flux passing through a test piece cut from a pipe or fitting as a percentage of the incident light flux on the test piece. The standard lays down the maximum acceptable limit for the light which may pass through the wall of the pipe or fitting, if the product standard specifies that they shall be opaque.


What's plastic pipe opacity testing?  plastic pipe opacity test for ISO 7686, IS 12235 (Part 3)? 


Pipe Opacity Testing: These tests are performed to determine the opacity of pipes and fittings. The pipes must meet ISO 7686:2005 standards that specifies a method for the determination of the opacity of plastics pipes and fitings. lt is an ideal device for pipe manufacturers, research and inspection institutions. 

UnitedTest UT2033 Opacity testing is a process of testing how opaque and also how transparent a particular substance is. Opacity testing can also be used to test the quality of Plastics Films.


Application scenarios

The pipe opacity tester is mainly used to measure the opacity of plastic pipes and fittings, and is suitable for the following scenarios:

Production quality control of plastic pipes and fittings: used to test the opacity of plastic pipes and fittings to ensure product quality meets standard 1.

In the field of architecture and engineering, it is used to evaluate the transparency of plastic pipes and ensure their effectiveness in specific environments.


Key word: 

opacity: light energy which has passed through the wall of the test piece, expressed as a percentage of the incident light energy on the test piece

light intensity: light energy which has passed through the test piece

maximum light intensity: maximum light energy received from the light source

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