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3O
SYNTHETICS
Your
KENMORE
will
sew
all
the
new
fabrics
of
synthetic
fiber,
such
as nylon,
*Orion,
_ _Dacron,
rayon,
acetate,
blends
o|
these,
and
combinations
of synthetic
and
natural
gibers.
When
stitching
a
fabric
of
hlended
or
cnmbined
fibers,
handle
it
as
you
would
a
material
of the
fiber
present
in the
[arRest
percentage.
For example,
a fabric
woven
of 60% Orlon
and
40% silk
should
be handled
as one
made
entirely
of Orlon.
When
stitching
a fabric
that
is over
50% synthetic
fiber,
remember:
a.
_elect
patterns
of
the
loose
fitting
type
with
cap
or
kimono
sleeves,
because
most
synthetic
fiber
fabrics
cannot
he
eased
wltil
steam
pressing,
and
are
not
absorbent,
b.
Use
a s_'nthetic
thread.
c,
Use
a fine
needle
as
recommended
in
chart
on
page
5.
d.
Wind
the
bobbin
in
the
usual
way,
but
do
not
pass
thread
bet-
ween
tension
discs.
Guide
thread
by
hand
for
a smoothly
wound
bobbin.
e,
f_
Choose
the
stitch
length
that
gives
the
most
satis|actory
seam.
Check
thread
ten,ions
by sewing
on a double
thickness
of the
fabric
to be used.
Usually
the
upper
thread
tension
must
he
loosened.
Sometimes
both
bobbin
and
upper
thread
tensions
must
be loosened
_pages
12, 13L
SEWING O NPLASTIC F ILMS
Set the
machine
with
normal
thread
tensions
and a large
size
stitch.
Use
a fine
needle
and
mercerized
thread.
Hold
plastic
pieces
together
with
cellophane
tape
or pape_
clips
rather
than
pins.
Sew
corners
slightly
rounded
rather
than
square,
_Trademark
tot
Dupont's
Acrylic
fiber.
_Trademafk
for
Dupont's
polyester
fiber,
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