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High performance industry standard elastomers for nuclear applications requiring resistance to ionising radiation.
In addition to our own compounds and materials that we have developed for customers, James Walker has a long history of expertise in processing industry standard materials and customer specific materials such as EPDM 30H.
When selecting an elastomer for duties with ionising radiation, it is important to consider other factors in addition to radiation resistance. For example, the elastomer should also be evaluated for physical robustness, chemical compatibility and resistance, and temperature performance in the operational environment.
We regularly compound and/or mould the following elastomers for nuclear duties. A number of these materials are specific to particular customers, as indicated, and cannot otherwise be supplied without their authority.
18L - Nitrile elastomer (NBR): a Sellafield Ltd material
Foxglove - Nitrile elastomer (NBR): an EDF material
PB70 - Nitrile elastomer (NBR) of nominal 70 IRHD PMUC approved for use in French nuclear power plants
PB80 - Nitrile elastomer (NBR) of nominal 80 IRHD PMUC approved for use in French nuclear power plants
Lily - Silicone elastomer (VMQ): an EDF material
LR6920 - Silicone elastomer (VMQ): a James Walker material used for products for EDF
LR6935 - Silicone elastomer (VMQ) for non-critical applications: a James Walker material used for products for EDF
Poppy range - Silicone elastomer (VMQ): an EDF range of materials
SIL80/5 - Silicone elastomer (VMQ)
EP18/H/75 - Ethylene propylene elastomer (EPM) of nominal 75 IRHD: PMUC approved for use in French nuclear power plants
EP21/E/80 - Ethylene propylene elastomer (EPDM) of nominal 80 IRHD: PMUC approved for use in French nuclear power plants
EPDM 30H - Ethylene propylene elastomer (EPDM): a Sellafield Ltd material
Daisy range - Fluoroelastomer (FKM): an EDF range of materials
FR10/70(V) - Viton based fluoroelastomer (FKM) of nominal 70 IRHD. Successfully tested to performance levels in excess of PMUC requirements
LR5602/65 - Viton based fluoroelastomer (FKM) specifically formulated by James Walker for use in high-integrity Magnox nuclear transportation flask seals
Want to discuss your project, engineering or materials challenge expert to expert? Simply provide us with your contact details and a little information about the application you are working on, and one of our experts will contact you as soon as possible.
