Double PTFE coated rubber O-ring

Product description

Double PTFE coated rubber Oring

RD31 PTFE Double-Jacketed O-Rings
RD31 is the escalation of RD30, Except the swelling is no better than
RD30,There are all other advantages of RD30, but also a higher pressure, flexibility, better and more easy to install than RD30.
RD31 is made of the silicagel ring or viton ring core encased by two relatively thin PTFE shells.ring joints staggered to 180.
Normal Material:
Shell:
Teflon FEP: -60℃~ 205℃ To 260℃ in a relatively short time using high temperature
Teflon PFA : -60 ℃ ~ 260℃ To 300℃ in a relatively short time using high temperature
PTFE: -60℃~ 205℃ To 260℃ in a relatively short time using high temperature
Core: Viton rubber class E-60C: -60℃~ 205℃
ZZR 765B grade silicone rubber: -60℃~180℃