This document specifies a method for checking small rocket motors for voids and fissures and provides a guide to non-destructive testing (NDT) methods for detecting voids and fissures in other solid rocket propellants.
EN 13938-5:2004 history
2004EN 13938-5:2004 Explosives for civil uses - Propellants and rocket propellants - Part 5: Determination of voids and fissures