Polymeric materials replacement issues for the LANL stockpile.

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Description

A number of materials in the LANL stockpile are no longer available due to lack of availability or environment, safety and health issues. Silastic S-5370 a polysiloxane foam used to manufacture multiple components in LANL systems has been discontinued by Dow Corning. Kerimid 601 is a polyimide resin used as the binder for the syntactic foam used as a support material in the W76. It contains MDA, which has been identified by OSHA as a carcinogen and is no longer used in the nuclear weapons complex. In addition, the Thornel carbon mat used in the syntactic foam formulation is no ... continued below

Physical Description

5 p.

Creation Information

Sandoval, C. W. (Cynthia W.); Gladysz, G. M. (Gary M.); Stephens, T. S. (Thomas S.); Gleiman, S. S. (Seth S.); Mendoza, D. (Daniel); Baker, G. K. (G. Keith) et al. January 1, 2002.

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Description

A number of materials in the LANL stockpile are no longer available due to lack of availability or environment, safety and health issues. Silastic S-5370 a polysiloxane foam used to manufacture multiple components in LANL systems has been discontinued by Dow Corning. Kerimid 601 is a polyimide resin used as the binder for the syntactic foam used as a support material in the W76. It contains MDA, which has been identified by OSHA as a carcinogen and is no longer used in the nuclear weapons complex. In addition, the Thornel carbon mat used in the syntactic foam formulation is no longer available. These issues have created major challenges in the effort to reestablish aft support production capability for the W76 LEP. Urethane Encapsulant 7200, an adhesive used to bond explosive booster pellets and detonator components, was originally manufactured by Hexcel Corporation and is no longer available. The details of the projects currently underway to provide replacements for these materials will be discussed.

Physical Description

5 p.

Source

  • Submitted to: 24th Compatibility Aging Stockpile Stewardship Conference held at BWXT Pantex, Amarillo, TX, April 30 - May 2, 2002

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  • Report No.: LA-UR-02-1470
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976112
  • Archival Resource Key: ark:/67531/metadc933470

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Creation Date

  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

Description Last Updated

  • Dec. 12, 2016, 6:53 p.m.

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Sandoval, C. W. (Cynthia W.); Gladysz, G. M. (Gary M.); Stephens, T. S. (Thomas S.); Gleiman, S. S. (Seth S.); Mendoza, D. (Daniel); Baker, G. K. (G. Keith) et al. Polymeric materials replacement issues for the LANL stockpile., article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc933470/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.