Rubber Profile Flexipro®

We work with EPDM rubber that withstands all weather conditions.

Thanks to our laboratory, we can produce rubber profiles tailored to our customers’ special demands. Unless otherwise specified by our customers, we produce our profiles according to DIN 7715 standards.

Our goal is to have the end product with best quality, which matches the market conditions, with the help of modern technology and suitable man power.


Our Advanced Technology Laboratory at Work... In product research and development projects, it is crucial to swiftly identify the issue, produce a solution and adapt this solution to the current processes. We implement all these steps in our high capacity rubber laboratory.

Our lab carries all the needed equipment for the characterization of rubber and the test of our rubber compounds.

As a consequence of these, we are able to produce the most economical products without conceding from the quality of our products.

kaucuklaboratuvar The core mission of KAPİ Kauçuk R&D department is to work and invest towards the realization of necessary projects that meet the current and future standards our customers.

The basic criteria for our investments is to optimize the ideal quality – cost performance equilibrium.

Compounding Department
We produce rubber compounds in several hardness levels, according to our customers’ needs. The preparation of the rubber compounds are carried out using the raw materials of ISO certified suppliers, resulting in highest quality end-products.

Our compounding department can work with NR, SBR, EPDM, NBR, CR, etc. types of rubber.


• Seals for Aluminum Doors and Window Systems
• Seals for PVC Doors and Window Systems
• Seals for Wooden Doors and Window Systems
• Seals for Steel Doors
• Seals for Side Plating Systems
• Seals for Dilations
• Seals for Automatic Doors
• Seals for Pipe Clamps
• O-ring Rubber Profiles
• All Kinds of Customized Rubber Profiles Production
• Industrial Profiles and Seals


• Hardness ShrA
• Density
• Rheometer
• Plastic Deformation
• Ash Content
• Abrasion
• Ageing (in air)
• Ageing (in fluids)
• Ageing (in gas and fuels)
• Fracture
• Drying Oven
• Bench-sized rubber dough machine
• Bench-sized pressing machine