United States Nuclear Regulatory Commission - Protecting People and the Environment

ACCESSION #: 9506080379

     DOW CORNING

May 31, 1995

                                                            Via
Facsimile

RE:  Update on SYLGARD [Registered Trademark] 170 Silicone
Elastomer,
     SYLGARD [Registered Trademark] 170 Silicone Fast Cure
Elastomer, and
     DOW CORNING [Registered Trademark] 96-081 RTV
Adhesive/Sealant

Dear Sir or Madam:

We have completed testing at Underwriters Laboratories of the
Sylgard 170
Elastomer and the 96081 RTV Adhesive Sealant.  Final reports from
Underwriters Laboratories will be issued by June 9, 1995.  A
report,
summarizing the tests results, will be forwarded to you on June
12, 1995. 
In general, testing did not reveal any performance differences
between
materials that deviated from our sales specification and
materials that
met our sales specificiations.

If you have any questions on this, please call me on (517)
496-8330.

                                   Robert M.  Schroeder
                                   Fire Protection Engineer

RMS:jml
cc: NRC

DOW CORNING CORPORATION, MIDLAND,            TELEPHONE: (517)
496-4000
MICHIGAN 48686-0995 


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