This disposable septa is made of blue PTFE face and white silicone backing. The blue PTFE liner has excellent chemical resistance and silicon backing has reseal ability. It will release pressure at 120 psi on Q-Tube-12mL systems and 60 psi on QianCap-15 and 25 systems. Using other septa may cause explosion.
Max pressure: 120psi.
O-Ring-35-s / 100-315SMZ-035. This O-Ring is for Q-Tube - Purging-35-SS, Q-Tube Pressure Monitor-35-SS, QianCap Purging-15-v2 and QianCap Purging-25-v2. This Simriz O-ring has excellent compatibility with most of the chemicals, including inorganic and organic acids and bases, alcohols, aliphatic and chlorinated hydrocarbons, aromatics, ketones, esters, ether and aldehydes and fuel oils.