Solvent removable developer for red and fluorescent penetrant testing, form d according to EN 571 part 1
Dries quickly
Testing security is guaranteed at work piece temperatures between +10 °C and +50 °C
MR 70 Developer meets the requirements of DIN EN ISO 3452 part 2 and may be identified as „free of corrosive ingredients according to DIN EN ISO 3452 part 2“.
Regarding the contents of corrosive ingredients MR 70 Developer meets the requirements of ASME Code V, Section V, Article 6, T-641.
Application
Remove tinder, rust and other contaminations from surface in a suitable manner. A possible precleaner for removal of oils or fats is e.g. our remover MR 79.
Apply MR Penetrant to the part to be tested either by spraying, brushing, flooding or dipping. Allow to penetrate for at least 5 minutes.
Remove access MR Penetrant from surface either using water or a clean lint-free cloth lightly moistened with an MR Remover.
Spray MR 70 Developer from a distance of approx. 20 cm on the dry surface, achieving a thin, uniform layer. Discontinuities will appear as red indications. Please note: If the developer layer is too thick tiny discontinuities will not appear through the developer.
Direction to Use
• Examination of corrosive ingredients according to ASME Code V, Section V, Article 6, T-641
• In correspondence with Lloyd’s Reg., Bureau Veritas, Det Norske Veritas, admitted by Framatome ANP
