Anh
impermeable
impervious
leak free
leak tight
Đức
undurchlaessig
dicht
Pháp
imperméable
étanche
undurchlaessig /SCIENCE,INDUSTRY/
[DE] undurchlaessig
[EN] impermeable; impervious
[FR] imperméable; étanche
dicht,undurchlaessig /SCIENCE/
[DE] dicht; undurchlaessig
[EN] leak free; leak tight