PT-426F – MIL-PRF-22750E, F & G Type I CL H GRADE B as well as BMS 10-11V Type II are  high performance, two component catalyst cure epoxy topcoats designed for exterior use on high performance aviation/aerospace, industrial, and marine applications.  PT-426G Series Epoxy meets, and exceeds This high performance coating contains no substance of know toxicity (under normal usage conditions) and provides ultimate protection.  These epoxy topcoats provide a high quality finish to metal, wood, and most other materials capable of being coated and offer excellent chemical resistance properties.