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Gaskets (High Purity)

A shaped piece or ring of rubber, or other material, sealing the junction between two surfaces in an engine or other device.

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High purity gaskets are specialised sealing components designed for use in industries and applications where maintaining product purity, cleanliness, and the prevention of contamination are of paramount importance. These gaskets are used to create reliable seals in equipment and systems that handle sensitive or high-purity fluids, gases, or materials. They are commonly used in industries such as pharmaceuticals, biotechnology, semiconductor manufacturing, food and beverage processing, and more.

Considerations when choosing a high purity gasket

Material Selection

These gaskets are typically made from materials that meet stringent cleanliness and purity requirements. Common materials include PTFE (polytetrafluoroethylene), PTFE-lined materials, EPDM (ethylene propylene diene monomer), silicone, and other materials that are chemically inert and have low extractable levels.

Surface Finish

These gaskets have smooth and polished surfaces to minimize the risk of product build-up, bacterial growth, and contamination. A smooth surface finish is essential for maintaining product purity.

Hygienic Design

The design of high purity gaskets focuses on maintaining hygienic and sanitary conditions. This includes features such as crevice-free construction, sanitary gaskets, and easy-to-clean designs.


In biotechnology and pharmaceutical applications, high purity gaskets are designed to be biocompatible and meet stringent industry standards for material purity and cleanliness.

Temperature and Chemical Resistance

These gaskets are engineered to withstand a wide range of temperatures and resist chemicals, cleaning agents, and sterilization processes used in the industry.

FDA and Regulatory Compliance

These gaskets are often designed and manufactured in compliance with regulations set by health authorities such as the U.S. Food and Drug Administration (FDA) and industry standards like ASME BPE (BioProcessing Equipment) for bioprocessing equipment.


Gaskets can be customized to fit specific applications, including different sizes, shapes, and sealing profiles.

Validation and Documentation

Comprehensive documentation and validation support may be provided to ensure that high purity gaskets meet industry standards and regulatory requirements.

Where are high purity gaskets used?

These gaskets are used in a variety of critical applications, including sealing connections in bioreactors, pharmaceutical processing equipment, food and beverage processing systems, semiconductor manufacturing, and more. These gaskets play a crucial role in preventing product contamination, maintaining product quality, and ensuring the integrity of high-purity processes. Proper selection and installation of high purity gaskets are essential for maintaining the cleanliness and purity of fluids and materials in sensitive industrial processes.

Pure Transfer has a large range of high purity gaskets available on our website.

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