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Tungsten Eye Shield, MEDIUM, 2mm Thick with Aluminum Caps

Tungsten Eye Shield, MEDIUM, 2mm Thick with Aluminum Caps
Item Number :
936-587

Tungsten Eye Shield, MEDIUM, 2 mm with Aluminum Caps.

Details

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Tungsten Eye Shield, MEDIUM, 2mm Thick with Aluminum Caps.

 

The Tungsten Eye Shield can use either the 0.5 mm or 1 mm thick anodized aluminum cap (both are included with each tungsten eye shield) to reduce the electron backscatter to the eyelid.  The eye shield can be used without the aluminum cap when placed superficially.  They have less transmission than other eye shields

Recommendations Based on Transmission Values:

The 2 mm tungsten eye shield should be used for 6 MeV, and the 3 mm tungsten eye shield should be used for 9 MeV.  These tungsten eye shields are not recommended for use above 9 MeV.

The user will have to determine an acceptable amount of backscatter to decide whether to use 0.5 mm or 1 mm aluminum cap.

 

See 936Chart in the Documents Tab.

Specifications
Tungsten Density:  17 g/cm3
Aluminum Density:  2.718 g/cm3
Thickness: 2 mm
Dimension (A) Inside Shield:  15.0 mm
Dimension (B) O.D. Shield:  19.1 mm
Dimension (C) O.D. with 0.5mm Cap:  20.2 mm
Dimension (D) O.D. with 1.0mm Cap:  21.3 mm

Sterilization:  Click Documents tab

Reference:  Evaluation of Eye Shields made of Tungsten and Aluminum in High-Energy Electron Beam - Randi D. Weaver B.S. Fairview - University Med. Ctr. PO Box 494, 420 Delaware St. SE, Mpls., MN 55455  Int. J. Radiation Oncology Biol. Phys, Vol. 41 Nal, pp 233-237-1998


Documents

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