Download - Radishield Ndt
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An Introduction to
Radishield
An Introduction toAn Introduction to
RadishieldRadishield
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AgendaAgenda
What is Radishield ?
Radishield - A brief history
Types & forms of Radishield
Radishield customers
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What Is Radishield?What Is Radishield?
Radishield is a patented flexible elastomeric lead filled system developed to protect workers in nuclear and associated industries from harmful x-ray and gamma radiation.
It can be used to shield areas where traditional shielding materials such as lead cannot be used or is difficult to install.
Designed to replace products such as PVC covered lead impregnated rubber / pure lead which have definite disadvantages.
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Types & Forms of RadishieldTypes & Forms of Radishield
Radishield comes in 3 main types:
Silicone Radishield
Polyurethane Radishield (Radishield 50 flat sheets)
Lead Free Radishield
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Silicone RADISHIELDSilicone RADISHIELD Original Radishield (yellow)
High temperature resistance(-50 to 200 C - 250C intermittent)
Flame Retardant
Water/steam proof
Very flexible
Low chlorine,fluorine,sulphur content (suitable for contact with stainless steel)
Easily cut and shaped by hand
Material will not sag or slump like alternative products (pvc bags)
Easily decontaminated
Available in flat sheet form -standard or non-standard sizes / thicknesses
Available in pipewrap, t-piece and bespoke moulded shapes (laminated or un-laminated)
Can be incorporated into customised containment units
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Polyurethane RADISHIELD Polyurethane RADISHIELD Developed as a lower cost alternative to silicone Radishield where ultimate
properties not required.
Same shielding (attenuation) as silicone Radishield.
Lower max temperature ( 50C).
Low chlorine, fluorine, sulphur content not applicable.
Slightly less flexible.
Significantly lower cost.
Available in FLAT SHEET FORM ONLY (std colour - green).
Available in standard or special sizes / thicknesses.
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Lead Free RADISHIELD (New)Lead Free RADISHIELD (New)
Developed as a alternative to standard Radishield products where customers require a LEAD FREE alternative.
Tungsten based inner laminate.
Available in Silicone or Polyurethane versions
Same shielding and flexibility as standard Radishield.
Available to order in standard or special sizes / shapes
Tested by National Radiological Protection Board
US Navy Approved
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Radishield MouldingsRadishield Mouldings
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RadishieldRadishield 205l Drumshield205l Drumshield
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Nuclear Power GenerationNuclear Power Generation
Nuclear power stations
Suitable for both operable and decommissioned units.
Temporary or permanent shielding.
Moulded shapes popular (e.g. pipewraps).
Project work design and manufacture
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Radishield PipewrapRadishield Pipewrap
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Radishield T PieceRadishield T Piece
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Sizewell B DrainlineSizewell B Drainline
BEFORE fitment of Radishield
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Sizewell B DrainlineSizewell B Drainline
AFTER fitment of Radishield
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N.D.T (NonN.D.T (Non--destructive Testing)destructive Testing)
The examination of metalwork integrity by means of radiography.
Can be x-ray or gamma ray. Numerous companies sub-contracting to larger companies ( e.g.
pipeline, offshore etc)..Very competitive. Radishield required to reduce safe working distance, thus
reducing costs and downtime. Often Radishield 50 (low temperature, low cost). Specially developed shrouds and guide tube shields (patented). Usually smaller quantities required.
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Radishield Customers Radishield Customers includeinclude
UK Ministry of Defence.. US Navy. Rolls Royce.. British Energy
(Most UK Power Stations) BNFL Magnox
(Most UK Power Stations) BNFL Engineering.. BNFL Sellafield. UKAEA.. Mitsui Babcock.. Entergy Nuclear
(Various US Plants)..
Speciality Metals.. OIS.. PAKS Hungary.. US Dept. of Energy.. AEA Technology.. Hertel Services.. Energy Operations ..
(US Power Stations) Rexel Senate.. Nukem Nuclear Babcock DML
+ many more!
AgendaWhat Is Radishield?Types & Forms of RadishieldSilicone RADISHIELDPolyurethane RADISHIELD Lead Free RADISHIELD (New)Radishield MouldingsRadishield 205l DrumshieldNuclear Power GenerationRadishield PipewrapRadishield T PieceSizewell B DrainlineSizewell B DrainlineN.D.T (Non-destructive Testing)Radishield Customers include