Document 25dZqY90zRpZ7q7dq5djXb06
PLAINTIFF'S EXHIBIT
USG-439
SPECIAL BULLETIN
Operating Division PRODUCT PROCEDURE
` L.C. EMBEDDING COMPOUND
C Approved:
(FORMULA. J-1418&) GYPSUM
T*hi bulletin expires 10-1-66.
Wo a
Date 10-1-65
Page 1
Cancels
Dated
25W
Gypsum to manufacture and. ship a nev embedding compound (Poxamla J-141BA.) vhich contains no casein or soy protein.
MAMUFACTORING PLANT; Gypsum
PACKAGING:
In regular P-A-T bags with, the word "VHKL" stamped an the face of each bag.
SHIPMENT:
As directed by Dept. #147-2. FINISHED PRODUCT SPECIFICATIONS;
I
Consistency - 67 to 70 cc. (69 cc nosnal) for 530 / 30 VC-3 Bxabender
pH 8.2 to 6.6 (8.4) 30 min. after sdjdng.
Bond - 5 ml nlmm oust be dried 24 hours at 75^ - 50^ R.H. Do not dry in hot roam or oven.
1
c Color - Natural
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>^?7L Rev. 1/63 (Printed in U.S.A.)
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Operating Division PRODUCT PROCEDURE
Approved:
6K)iFagM?IAL No. 61-2-22-^ Date 10-1-65
00 007 QSP300U6S OR COPY
Paee 2
LC EMBEDDD1G COMPOUHD (FORMULA J-1410a) Cancels
GYPSUM
Dated
nEW
FORMULA: J-l4lfiA
BH-13 GM-65 Vancide 51-2 JK7RP02 Asbestos PC7BF9 Asbestos Mica JC Harvon CE-F-1 Sericite Stcoelite Gum Arable
6.0^
0.4
0.15
3.5 (aa required)
3.5 (asrequired)
Per Formula V
15.O
(to asks 100)
1.0
SAW MATERIALS;
1. BH-13
2. O-i-65
3. Gum Arabic
national Starch and Chemical Corp. Dow Chemical Co.
MAHUFACTURIHO PROCEDURE:
Per Bulletin 61-2-22 except a thorough brushing down, followed by a dean-out charge of Stcmelite must be run before this product is made. (Ho clean-cut la necessary afterwards as this product will not contaminate regular casein compounds).
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9 6 1 1 ZOOdU
i K-5791-C 7/65 (Printed in.U.S.A.)
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