This water-based fluorescent penetrant is designed for testing materials sensitive to petroleum-based products, such as plastics and ceramics. It can be diluted for easier application and is suitable for leak detection. Compatibility testing is advised before use, and it pairs well with ZP-4D powder developer for optimal results.
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Overview
Developed for testing materials that can be affected by petroleum- based penetrants, ZL-4C water-based fluorescent penetrant contains no petroleum derivatives and is harmless to materials that can be attacked by petroleum-based solvents, such as plastics. It is also safe for use on ceramics, and it can be used as a leak detector. It is always recommended that the inspection material is tested for compatibility with ZL-4C prior to use. ZL-4C can be diluted with water to decrease its viscosity to enable easier application. ZL-4C does not contain a corrosion inhibitor as the materials it is designed to test are not normally susceptible to corrosion. ZP-4D powder developer is recommended for use with ZL-4C penetrant, because liquid developers may wash penetrant out of open surface flaws in the non-metallic materials being tested.
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