Gamma Putty

JC462

JC462 Gamma Putty is a malleable gamma shielding clay that contains no lead.  It is a lower density, more economical material than our JC262 bismuth-based putty. It contains iron powder that is uniformly distributed throughout the LDPE binder material to ensure there are no gamma streaming paths. 

The additive is elemental iron, 70% by weight, and the material will not dry out to form a powder.  It is supplied in chunks that are readily pliable by hand and holds its shape after placement.

Typical applications include temporary gamma shielding during reactor maintenance, shielding for cable tray penetrations, and industrial radiographic film masking. 

Disposable gloves are recommended when handling as the putty is quite sticky.

  • It is non-hardening and it will not dry out to form a powder
  • Reusable and lead-free
  • Provided in 4.5 kg cans

Typical applications include temporary gamma shielding during reactor maintenance, shielding for cable tray penetrations, and industrial radiographic film masking. Disposable gloves are recommended when handling as the putty is quite sticky

Composition Data
Hydrogen atom density/ cm³ 6.19 x 10²²
Hydrogen weight percent 4.31%
Iron atom density/ cm³ 1.81 x 10²²
Iron weight percent 70.00%
Total Density 2.40 g / cm³(156 lbs / ft³)
Radiation Properties 0.07 cm-1
Gamma resistance 5 x 10⁸rad
Neutron resistance 2.5 x 1017 n / cm²
Physical Properties
State Putty
Color Gray
Odor No significant odor
Machinability Poor
Thermal Properties
Recommended Temperature Limit 110°F (45°C)
Chemical Properties
Chemical Name & Synonyms Iron poly putty (LDPE)
Trade Name & Synonyms JC462 Gamma Putty
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