This website uses cookies to analyze the traffic. Information on the use of our website is therefore transferred to Google.
More information


17. October 2019

O.L. Seals A/S expands again its range of Kefloy® compounds in compliance with a range of standards:

Norsok and API A6 Standards

O.L. Seals A/S offers compounds a wide range of materials in compliance for now also Norsok and API A6 standards. For an overview of materials meeting the different standards, see Downloads.
For further details please contact us at

See Downloads

8. Match 2019

O.L. Seals A/S continues to expand its range of Kefloy® compounds in compliance with a range of standards:

WRAS, BAM, USP Class VI and 3-A® Sanitary Standards

O.L. Seals A/S offers compounds for a wide range of standards:
For further details please contact O.L. Seals A/S at

See Downloads

9. July 2018

O.L. Seals A/S launches new company video presentation

New company presentation on our web

O.L. Seals are proud to present our new company presentation. The presentation gives a view on our core competencies and flexible production setup. The combination of our flexible production set-up and capabilities with e.g. in-house PTFE compounding, high precision turning and commitment to quality together with a highly skilled team, has positioned O.L. Seals as a key advisor and manufacture of high performance sealing solutions in various PTFE compounds, plastics and elastomers.

For further questions, please contact O.L. Seals A/S at

Link to video (end of the page)

9. April 2018

O.L. Seals A/S continues to expand its range of Kefloy® compounds for contact with food

Kefloy® 540 now also in compliances with FDA CFR 177.1380

The Determination of the overall migration was tested by an independent accredited institute. The tests were carried out on samples that were machined at O.L. Seals A/S.

The test results did not exceed the legal limits defined by FDA.

For further details please contact O.L. Seals A/S at

Declaration of Conformity

24. November 2017

O.L. Seals A/S support SAVE THE CHILDREN

As a reflection on the upcoming holiday, we have decided again this year to support the children worldwide.

O.L. Seals is therefore proud to announce our support in the work of saving children’s lives, to protect and strengthen them and the fight for their rights.

Save the Children is the world’s leading independent organization for children, who works in Denmark and 120 other countries.

21. November 2017

O.L. Seals A/S launches new Polyurethane Materials to meet future standards

O.L. Seals A/S launches new polyurethane materials, Kefloy® 86 and Kefloy® 87, which conform to the latest EU REACH environmental standards coming into force November 2017.

REACH is a European Union regulation concerning the Registration, Evaluation, Authorisation & Restriction of Chemicals. Kefloy® 86 and Kefloy® 87 have been developed to meet the demanding requirements of the European Commission regarding substances prohibited unless an exemption applies or an authorization is granted.

O.L. Seals A/S it therefore up front meeting the upcoming standards and legislation. Meeting REACH regulations is extremely important for polymer and elastomer seals. O.L. Seals respect the objective of the regulations to protect human health and the environment.

Kefloy® 86 and Kefloy® 87 will supersede the renowned Kefloy® 85, Kefloy® 116 and Kefloy® 124 as the materials of choice for polyurethane seals used in demanding linear and rotary applications also in tough environments.

The materials maximum operating temperature are improved in water and water-based fluids. In addition, the new materials also boast the characteristics of toughness, rigidity, wear and scratch resistance and demonstrate similar performance characteristics of the materials they replace.

For further details of the planned succession from Kefloy® 85, Kefloy® 116 and Kefloy® 124 please contact O.L. Seals A/S at

Explore our Compounds

1. January 2017

New material numbers at O.L. Seals A/S for applications in contact with food 

Dear valued customer,
For all plastic materials and articles with an intended use for contact with food the European Regulation (EU) No 10/2011 should be followed. As from 1. January 2016, the supporting documents referred to in Article 16 shall be based on rules for migration testing set out in Article 18 (Chapter VI, Article 22).
In order to apply more clearly to these regulations, O.L. Seals A/S has decided to create new material no. for applications in contact with food.
The established new material numbers have the same properties as the old. The old numbers will still exist for other types of application.

It is compulsory for the customer to decide which material number to order in the future.

Old No: => New No: (for contact with Food):
Kefloy® 01 => Kefloy® 501
Kefloy® 22 => Kefloy® 522
Kefloy® 40 => Kefloy® 540
Kefloy® 90 => Kefloy® 590
Kefloy® 111 => Kefloy® 611
Kefloy® 192 => Kefloy® 692

If you have any questions do not hesitate to contact O.L. Seals A/S.

Contact us for more Information

25. January 2017

New O.L. Seals A/S website

O.L. Seals are pleased to announce the launch of our brand new website!

Our goal with this new website is to provide our visitors more information about O.L. Seals services and solutions, but also to allow the visitor easier access to technical data on our Products and Compounds.

We welcome you all to our new website.

For any questions, suggestions, feedback or comments, please e-mail us.

Trygve Kalf Hansen, CEO


O.L. Seals has a highly skilled technical team to support you throughout the developing phase from the first early steps to full-scale production.

Learn more about our Services


O.L. Seals corporates with many different enterprises and industries and is involved in the development of many different applications.

Get inspired about our Cases