Case Study

A vital link in COVID-19 vaccine distribution

Western Rubbers recently received an inquiry from a renown global chain responsible for the transportation and distribution of COVID-19 vaccines.

Customer Requirement

– Medical grade vulcanized silicone gasket (for freezer doors) to be able to withstand extremes of temperatures; as low as -80 °C

– Three air vent holes to be provided in the gasket

Product Application

To seal the lids of cold storage boxes (-50 °C to -80 °C) that will be used for the distribution of COVID-19 vaccines across the globe.

Consequence of Product Failure

The need for an efficient seal can only be understood if we take note of the consequences in case the seal was to fail. These include:
– Reduction in efficacy of vaccine
– Hazards to human health
– Untimely and inadequate distribution of vaccines


Western Rubbers was successful in manufacturing this silicone gasket for a cryogenic application. The gasket was sturdy and underwent intensive Quality Control checks.

Want to know if you are using the best designed gasket for your application? Contact our engineers today

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