PTFE Material
PTFE’s high chemical resistance against a wide spectrum of different mediums makes it an exceptional sealing material for aggressive fluids. Altona stocks pure PTFE gaskets and PTFE materials for a wide range of applications.

Sealrite PTFE

Pure PTFE
PTFE´s high chemical resistance against a wide spectrum of different mediums makes it an exceptional sealing material for aggressive fluids. Altona manufactures pure PTFE gaskets and PTFE materials for a wide range of applications:

Pure PTFE Rings & Customised Parts:
Pure PTFE is formed into rings to fit standard flanges
or it may be made to customer-specified dimensions. It is suitable for a wide range of applications which includes O-rings, glide rings for internal sealing and piston stepped rings.

Pure PTFE Envelopes:
Pure PTFE envelopes are used as an external protective jacket for conventional gasket
materials like rubber. There are three basic types:

• “Slit” Type or Type V in which the gasket is slit to a V shape
• “Square ” type or Type M where the gasket is machined so that the inner base is flat
• “Folded” type or Type U where the inner base is rounded like a U