The Technical Hub
![](https://ceetak.com/wp-content/uploads/2023/11/o-ring-cover.png)
O-Ring Calculator
This interactive calculator assists engineers with selection of O-ring and hardware dimensions, and to form the basis of an O-ring installation.
![](https://ceetak.com/wp-content/uploads/2023/11/raw-materials.jpg)
Chemical Compatibility Checker
This interactive guide will help you choose a seal material based on existing compatibility test results of known chemicals and elastomers.
![](https://ceetak.com/wp-content/uploads/2023/11/engineering-calculator-image-for-technical-hub.jpg)
Interactive Engineering Calculators
Click here for volume, mass and compression set values for O-rings and rotary seal and hydraulic cylinder calculations.
![](https://ceetak.com/wp-content/uploads/2023/11/unit-converter-image-for-technical-hub.jpg)
Unit Converter
Our interactive conversion tools allow engineers to switch between units of measurement when preparing engineering calculations.
![](https://ceetak.com/wp-content/uploads/2023/11/lookup-tables-surface-finish-tab.png)
Engineering Tables
Our reference tables provide cross reference information for surface finish, metal hardness and polymer hardness measurement units.
Tools
![](https://ceetak.com/wp-content/uploads/2023/11/o-ring-cover.png)
O-Ring Calculator
This interactive calculator assists engineers with selection of O-ring and hardware dimensions, and to form the basis of an O-ring installation.
![](https://ceetak.com/wp-content/uploads/2023/11/raw-materials.jpg)
Chemical Compatibility Checker
This interactive guide will help you choose a seal material based on existing compatibility test results of known chemicals and elastomers.
![](https://ceetak.com/wp-content/uploads/2023/11/engineering-calculator-image-for-technical-hub.jpg)
Interactive Engineering Calculators
Click here for volume, mass and compression set values for O-rings and rotary seal and hydraulic cylinder calculations.
![](https://ceetak.com/wp-content/uploads/2023/11/unit-converter-image-for-technical-hub.jpg)
Unit Converter
Our interactive conversion tools allow engineers to switch between units of measurement when preparing engineering calculations.
![](https://ceetak.com/wp-content/uploads/2023/11/lookup-tables-surface-finish-tab.png)
Engineering Tables
Our reference tables provide cross reference information for surface finish, metal hardness and polymer hardness measurement units.