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The role of RADNOR™ Developer is to pull the trapped penetrant material out of defects and spread it out on the surface of the part so it can be seen by an inspector. The fine developer particles both reflect and refract the incident ultraviolet light, allowing more of it to interact with the penetrant, causing more efficient fluorescence. The developer also allows more light to be emitted through the same mechanism. This is why indications are brighter than the penetrant itself under UV light.
Features
Solvent based developer sprays out white for red dye indications
Blend of non-chlorinated petroleum hydrocarbon requirements
White developer powder suspended in a solvent base
Specifications
Meets ASME Section V requirements for Halogen and Chloride
