BPI System 350 BPI System 350 is a two-component spray-applied polyurea for blast mitigation. Specifically designed for military and governmental applications. Technical Data Sheet BPI System 350Technical Data Sheet Version 2.1Revised 7/11/2023 Part A SDS BPI System 350 Part ASafety Data Sheet Version 3.1Revised 7/10/2023 Part B SDS BPI System 350 Part BSafety Data Sheet Version 3.3Revised 7/10/2022