SS-U-MA
interim Amentknt-l(C$A-FSS)
Septessber25, 1970
zMT?Rt81 Nmerrmn
TQ
FEDERAL SPEC1F1CATION
WALL BASE:
RUBBER, AND VINYL PWTIC
~is Itttartn
Artendmentws d-eloped by the Standardization
Pivislon, Federal Supply
$ervica, General SenTlcesAdminiotratiorb
Washington, D. C. 20406, baaed on currently ●vailable techntcd
tnfomstion.
lt 1s
recommended thatFadsral qencie. we it in
procurement ~rx! forward
rawendatlona for charqes to the preparing
●ctivlty 8t the 8ddrea8 dwwn above.
The General ServicesMinistration has ●thorlzed Federal ●
genetea
to we this
amendment as ● tmlld ●xception to Federal Speclflcatioa
SS-W-40A,datad March 2$, lW.
PAGE 1
Pategraph 1.2.1 - delete in ;t#●ntirety ●nd substitute:
A.2.1 TvDes and clacten.
ldall bamc chall
be of the fellwing types ●rid classes, ●s
spacified (0.1).
Type
I - Rubber.
Type 11
-
Vinyl plmscic.
class1
-
Vinyl chloride,
Class
2 - Vinyl ●retate.
FACE 2
Paragraph 3.:.2 - dehte in lco entlrecy
●ad substitute:
3.1.2 Vinyl plmstic.
3.1.2.1 Vinvl chloride.
The vinyl plaatic ccmpound wed in the
manufacture of type 12,
clasc 1, wall base shall be
● thoroughly blended c-position of themoplestic birder, filler?
and pigments 8tabilited againet heat ●nd light deterlOXatlOn.
The binder shall eoaaimt of
plasticizer ●nd resin; the resin portion shall be polyvinyl chloride or a copolymer of vinyl
chloride having a chlorine content of not less than 45 percent
(6.2).
The material shall be
free frm offensive odor.
3.1.2.2 Vinyl
acetate.
The vinyl pAastlc compound wed in the manufacture of type XX,
clasa 2, wall base shall be made free remins aade by the polymerization of vinyl ●cetate or
copolymerization
of vinyl ● cetate with other uneatwacsd cmpoundso the vinyl ●cetate belns
thegreatomt aunt by ueitht.
The material shall be free from offenmlw
odor.
PAGE 3
?aragraph 4.2.1 - line 3 - after “type,” insert “c18s8,”.
TABLE I -
add the folLowlnR in the columns specified:
~C 7220
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