PFINDER 940
PFINDER 940 is a water soluble developer concentrate for penetrant testing. PFINDER 940 is particularly used for applications by immersion. An even and fine application is achieved by immersion in the solution. . PFINDER 940 is readily biodegradable according to ISO 9888 / Zahn-Wellens-EMPA test (OECD 302 B). Details and test report available on request. The temperature of the developer solution should be between 60 and 70 °C. The immersion time depends on the test material and should be kept as short as possible. The developer has to be dried by volatilisation and/or by a forced-air oven. Developer form b according DIN EN ISO 3452-1.
APPLICATION Use concentration: 5 % in water. Use temperature: Room temperature or 60-70 °C. The capability of the penetrant system should be checked regularly by means of own reference pieces or e.g. reference test block 2 according EN ISO 3452-3. Process description according DIN EN ISO 3452-1 see www.pfinder.com.