scope:

This specification relatee to rn ercpanded high density rigid polyurethane material for the manufacture of antiwear liners.

The designation "Type QX" indicates that the material is suitable for certain applications where a high degree of compatibility with explosives is a requirement.However, compatibility with all explosives in all environments has not been established, and Design Authorities should seek advice on particular applications from the Director, Propellants, Explosives and Rocket Motor Establishment, Waitham Abbey.