Non Metallic Materials Flashcards
1
Q
whatkind of natural fibres are used in ammunition
A
celluose
silk
wool
rubber
2
Q
what are the two main types of plastics used in ammunition, and whats the main difference between them
A
thermo plastic
thermosetting plastic
thermo plastic can be reheated and reshaped whereas thermosetting plzstic is incapable of again being softened by heat
3
Q
what is used for permanent seals
A
adhesives
cement
4
Q
what is used for non permanent seals
A
luting
5
Q
what are paints and varnishes used for?
A
protect the surface from moisture and other natural agents