1 Prezentul standard stabile?te metoda de determinare a deforma?:iei permanente la compresiune sub deforma?:ie constant? a elastomerilor vulcaniz?ri cu duritatea ?ntre 30... 94 grade Shore, la temperatura ambiant? ?i la temperaturi ridicate.
2 Deform
STAS 7791-1979 history
1979STAS 7791-1979 VULCANIZED RUBBER Determination of compression set under constant deflection at normal and high temperatures