Designed to remove excess surface penetrant, ZR-10E minimizes surface background during method D fluorescent penetrant testing while protecting indication integrity in critical component inspections. This method D remover reduces fluorescent background on rough surfaces and minimizes penetrant bleed out from hollow parts. ZR-10E is tested and approved to AMS 2644 to work with Magnaflux PE penetrants ZL-2C level 2, ZL-27A level 3 and ZL-37 level 4 for verified penetrant system reliability. ZR-10E provides long tank life and excellent solution consistency for dependable, long lasting performance in a variety of applications. ZR-10E is listed on the QPL SAE AMS 2644 qualified product list and is approved for use by Pratt and Whitney.