Small enough to be flexible, big enough to solve your problem

+31 (0) 180 46 34 71
  • Nederlands
  • English

Only Business-to-Business

Mobile menu

Graphite Sigraflex ® Email

Graphite Sigraflex ® Email is a graphite sheet with two inlays of 0,05 mm thick stainless steel foil. The material is specially developed for use in PTFE envelope gaskets. We always have an ample stock of sheeting material. Ridderflex customises this material into products, such as (flange) gaskets. 

Properties of graphite Sigraflex ® Email

Graphite Sigraflex ® Email is very good pressure resistant and has a high temperature resistance. The material is non-sticking. These properties, along with the good chemical resistance, make the material perfectly suitable for application in steam systems in amongst others the process industry and the (petro)chemical industry.

Graphite Sigraflex ® Email products

We supply the following products:

(Flange) gasketInlay as a part of PTFE envelope gasket

Specially developed sheet material

Graphite Sigraflex ® Email is specially developed for use in PTFE envelope gaskets. A PTFE envelope gasket is a composed gasket. It often consists of an envelope of PTFE with two inlays of Sigraflex ® Email, with a corrugated 316SS ring in between. The envelope gasket is mainly applied as a flange seal in applications where a high chemical resistance and high pressure resistance is required.

Universal and custom-made gaskets

Ridderflex supplies universal graphite gaskets according to DIN, ASA and ANSI sizes. We can also produce graphite gaskets according to your specifications. This can be based on a drawing or model. We are happy to advise you. Please contact our sales department.

Related to graphite Sigraflex ® Email

  • Sigraflex ® graphite HD

    Sigraflex ® graphite HD

    Universal and custom-made products of sheeting, such as flange gaskets.

  • Die cutting

    Die cutting

    With our die cutting machines we manufacture products such as die cut gaskets, die cut rings and die cut sealing products to the right dimensions.


ISO including co-engineering

Ridderflex complies with international quality management requirements. We are now also certified for co-engineering – our strength – . Read more


Any questions about products or make an enquiry? Simply call us or send us an e-mail. +31 (0) 180 46 34 71