Elastomers trigger metal detectors
A
Precision Polymer Engineering product story
Edited by the Engineeringtalk editorial team
Jul 11, 2007
Fragments of Detectaseal as small as 2mm can be identified by conventional, in-line, metal detection equipment, ensuring early warning of failing seals.
Food manufacturers concerned about contamination arising from degrading seals and gaskets during food processing can now opt for the new Detectaseal range of metal detectable elastomers developed by Precision Polymer Engineering (PPE).
Fragments of Detectaseal as small as 2mm can be identified by conventional, in-line, metal detection equipment, ensuring early warning of failing seals.
Detectaseal elastomers are available as FDA-compliant grades of EPDM, nitrile and fluorocarbon (FKM) compounds in standard and nonstandard sizes for use in food processing equipment.
Hygienic food processing relies on creating an aseptic environment that is capable of withstanding the mechanical processing conditions and clean-in-place (CIP) regimes encountered in food production.
When a seal begins to degrade there are three consequences.
There is a contamination risk to the food being processed, the integrity of the process is put at risk and the seal surface provides a potential site for the growth of micro-organisms.
Until now food manufacturers have had to rely on visibly identifying the signs of seal failure, an approach that requires the seal fragment to appear on the surface and be large enough to be discovered.
"Seals can fail for a variety of reasons such as fatigue and incompatibility to CIP processes".
"Detectaseal provides a more reliable approach to detecting seal fragments".
"It gives food manufacturers a way of continuously monitoring the aseptic integrity of their processes, with respect to seals, which uses existing in- line means of detection so no extra investment is needed", says David Holt, Business Development Director, PPE.
Available in blue and black, the Detectaseal range has been successfully adopted in food processing plants across the UK and USA.
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