ML15042A137

Gesc, NAC International, Atlanta Corporate Headquarters, 655 Engineering Drive, Norcross, Georgia (Engineering Report #NS3-020, Effects of 1300F on Unfilled NS-3, While Bisco Products, Inc., 11/84), Enclosure 4

ML15042A137
Person / Time
Site:	Calvert Cliffs
Issue date:	02/03/2015
From:	Bisco Products, Exelon Generation Co
To:	Office of Nuclear Material Safety and Safeguards
Shared Package
ML15042A188	List: ML15042A136 ML15042A137
References
NS3-020
Download: ML15042A137 (3)

Text

ENCLOSURE4 GESC, NAC International, Atlanta Corporate Headquarters, 655 Engineering Drive, Norcross, Georgia (Engineering Report # NS3-020, Effects of 1300°F on Unfilled NS-3, while Bisco Products, Inc., 11/84)

Calvert Cliffs Nuclear Power Plant February 3, 2015

OCT 31 '90 13:38 BISCOI IODUCTS P.2 N

(

BISCO PRODUCTS, INC.

TECHNICAL REPORT NS3-020 NO.

Effects of 1300' F on Unfilled NS-3

/

(

11-20-84 DATE 0

REVISION I

bieco products, inc.

1420 renaissancedrive park ridge, Illinois 60068 one of the brand companies

P.3 OCT 31 '90 13:39 BISCO PRODUCTS EIl Iv blsoo products, Inc.

1125 howard St.

ENGINSERING REPORT elk grove village, illinois 60007 (312) 640-1840 Number NS3-020

Subject:

Effects of 13000 F on Unfilled NS-3 Date: November 20,1984 Customer:

By:.- ttw~4 ?P--~-/ Approved By Malinda Mercadb Edwin Stginft ..

Chemist Technical Mana er

Purpose:

To determine the effects of 13000 + 1009 F for one hour on unfilled NS-3.

(.

Procedure: A sample of unfilled NS-3 was placed in a furnace at R.T.

The furnace was then turned on and heated to 1300 + 1000 F

( 50 mins. ) and then held at this temperature for-one hour.

At the end of one-hour at 13,00 + 100* F, the oven was turned off and the unfilled NS-3 sample removed. The sample was permitted to cool' to room temperature thieh visually examined.

T-his e;.:periinent was perýcrm-ed again on a second sample but the samplo was weighed before and after exposure.

Weight Before 143.37 gms.

Weight After 84.09 gms.

Weight LOSS 59.28 gms. 41.35%

Results:

2, It was observed that a light cloud of white smoke came from the furnace at 6000 F. This cloud of light smoke continued throughout the rest of the experiment.

2. The unfilled NS-3 was a solid after the exposure to 1300+1000 F it did not burn.

3. The 41.35% weight loss should be composed of the organic

• . components of NS-3 and chemically bonded hydrogen sources.

The formula total of all organic and chemically bonded hydrogen components in NS-3 is 48.97%,

4. The exposed WS-3 though a solid was quite brittle and possessed very little mechanical strength.

5. it is expected that little of the original neutron shielding properties remain follow¢ing the exposure to 1300 + 100 0 oF.

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