SY-4216 Factory Provide Pulp Use Qualified Coating defoamer
SY-4216 Coating defoamer
1
.product description
SY-4216 is a
type
of water-based emulsion defoamer
which composed by
long-chain aliphatic
alcohols and their
acid
derivatives
.
It
inhibit
s the formation of foam within the
latex
of s
tyrene-butadiene, pure acrylic, styrene
-a
crylic, ethylene
polyvinyl acetate
; It can also
control
the foam caused by
water-based systems
such as poly v
inyl alcohol
or adhesives.
With the advantages of
small
dosage, long lasting
and
good compatibility
, it is suitable
for
coatings
, latex
es
, adhesives and
other
water
-based
system
s.
2.Features
A
cid and alkali
resistance
Reduc
ing
paper diseas
es
such as shrinkage cavit
ies or
fisheye
s
3.Physical data
Appearance
|
w
hite emulsion
|
Density
|
1.000
±
0.100
|
V
iscosity(mPa·s,25
ºC
)
|
3
00
~
3000
|
pH value (25
ºC
)
|
7
.0
±1.
0
|
A
ctive ingredient content
|
30%
|
Type of Emusion
|
Nonionic
|
4.Method of use
SY-4216 defoamer can be added in the stage of coating mixing, and also can be
added in the storage
pipe which transfer
the coating to the coating machine.
The
additive amount
is 0.1%~0.3% of the coating,
according to specific effect of foam control.
5.Precautions
In case freez
ing
t
a
k
es
place during transportation
or
storag
e
, the defoamer should be
defrost
naturally
and stirred
well
before use.
6.Packaging and Storage
Use 200kgs, 1000kgs or negotiated packages. Seal and stock under room temperature,
keep
away from light. Avoid exposed to extreme cold or hot environment. Shelf life is 1 year.
7.Safety
Avoid contact with eyes
or
respiratory system
;
W
ash
the contacting site
with lots of clear water
; take a medical care
if the situation is serious.