NBR = Black rubber o-ring UR = White urethane o-ring
NBR = Black rubber o-ring UR = White urethane o-ring
The first numbers indicate the size, the letters indicate the material and the last numbers indicate the hardness of the o-ring.
70 = normal, 90 = a bit harder than normal.
Not compatible with fill nipples as this rubber o-ring is too soft for that purpose.
09 68 99 8989 (mon-fri 10-18)
info@sissos.com