ASTM F1929 DYE PENETRATION TEST PDF

Test Methods The only test method prior to the revision was Injection of the dye solution inside the package Method A. These provide the user flexibility of three proven and standardized methods to choose from when performing package seal integrity testing. Method A — Injection: The method involves injecting dye into the package along the longest seal edge with a depth of approximately 0. The dye is allowed to contact the sealed edge for up to five seconds. A channel in the seal would be detected within this time, if present. The package is then rotated in order to expose the dye to the remaining sides of the package.

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Observe the package for any leaks originating from the inside edge of the package seal towards the outside edge of the package seal. Observe each seal for a recommended duration of 5 to 20 seconds. Test Method B: Edge dip method. Test Method C: Eyedropper method. Note: The Eyedropper method requires the packages to have an unsealed area that extends beyond the outer edge of the seal.

Along the extended unsealed area beyond outer seal edge , the transparent material is separated from the porous material with use of a finger, paperclip, etc. Most commonly, an eyedropper or pipette is used to apply the dye penetration solution between the transparent and porous materials of the unsealed area.

Place a bead of solution between the two materials along the outer edge of the package seal, ensuring the entire outer edge of the seal is wetted with the dye solution. As a guide, each Test Method above recommends observing each seal for a maximum of 5 seconds on a 4-sided package 20 seconds total.

Please keep this in mind when developing your studies and validations. Please contact us with any questions you may have about ASTM F, or if we can help you with any other testing questions or projects.

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Dye Penetration Testing – Recent ASTM Enhancements

A dye penetrant solution is applied locally to the seal edge to be tested for leaks. The package will be visually inspected for dye penetration after contact with the dye penetrant for a specified time. Harmful biological or particulate contaminants may enter the device through leaks. These leaks are frequently discovered at seals between package components of the same or dissimilar materials.

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