Start with temperature
Each rubber has a range where it stays flexible and keeps its seal. Go outside it and parts crack or go soft.
Tools and calculators
Silicone, EPDM or nitrile, by temperature and chemical contact.
Temperature range in use
Your conditions are demanding. Specialist grades such as fluorosilicone or FKM may suit better, so talk to us.
A general guide using typical properties. We confirm the compound, hardness and any approvals for your part.
Ask an engineerHow it works
Each rubber has a range where it stays flexible and keeps its seal. Go outside it and parts crack or go soft.
Oils swell some rubbers, sunlight and ozone crack others. That often decides the material.
Food, medical and electrical approvals narrow the choice to particular grades.
Real people, a real workshop
No call centre and no middlemen. When you contact TCI Products, you speak to the team who design, build and check your mould.



Thomas LaneManaging Director
George PrestonDesign & Project Manager
Kelly BallingerHead of Partnerships
Jim AndertonProduction Manager
TheodoreEmployee Welfare