Mowital BA 20 S (Pioloform BL 16)
Technical Data Sheet

Characteristics

Recommended Uses

Form supplied

Mowital BA 20 S belongs in general
to the group of polyvinyl acetals.
In more detail, it is a low viscousmixed polyvinyl acetal, which isproduced by reacting polyvinyl
alcohol with butyraldehyde andacetaldehyde. The properties ofMowital BA 20 S are mainly determined by the presence of acetal,hydroxyl and acetate groups.

Binder for printing inks, pigment
preparations,pigment
chips;
Binder for coatings (adhesion
promotion/ corrosion protection
primers).

Fine-grained, free-flowing white
powderSpecification
These technical data are determined for each lot before its release by our quality control laboratory.
Unit

Value

Non volatile content(DIN 53216)

w/w-%

 97.5

Content of polyvinyl alcohol 1)

w/w-%

14 – 18

Content of polyvinyl acetate 2)

w/w-%

0–4

Dynamic viscosity(according to DIN 53015)
10% solution in Ethanol, at 20°C 3)

mPa.s

24 – 301) Hydroxyl groups in terms of polyvinyl alcohol) Acetyl groups in terms of polyvinyl acetate3) containing 5 % water2

December 2016

Mowital BA 20 S shows goodcompatibility
withsuitableplasticizers and different polymers.

Additional Data:
UnitValue

Glass Transition Temperature(DSC, ISO 11357-1)°C84

Bulk density
DIN EN 543 (draft Dec. 1991)(form supplied) / 20 °C

g/l

250 - 400

Besides binders for printing inks,
Mowital BA 20 S can also be usedadvantageously for applications
where low melt viscosity or an
increased solid content along withhigh wetting affinity to pigments/
fillers are required.

These additional data are used solely to describe the product. They are not subject toconstant monitoring or part of the specification.

Applications
Mowital BA 20 S exhibits a low
viscosity in solution as well asexcellent
pigment
wetting.
Preferred solvents are special
alcohols such as ethanol, i-propanol, n-butanol or diacetone
alcohol.
In
printing
ink
applications commonly ethanol isused.
Mowital BA 20 S is also well-solublein esters, such as e. g. methylacetate, ethyl acetate and n-butylacetate.
Due to its good flow properties andexcellent
pigment
wetting,
Mowital BA 20 S is well-suited forthe production of pigment concentrates
andpreparations(pigment chips).
The adhesion to organic andinorganic substrates, e. g. basedoncellulose
acetate,polyethylene, polypropylene, poly-styrene, polyester – eventually
surface treated – and aluminium
are good. If necessary, theadhesion properties to difficult
substrates, such as e. g. surfacetreated
OPP-films
withhomopolymer
orethylenpropylene-copolymer
surfacelayers, can be improved byaddition of an adhesion-promoter,e. g. ®Lupasol WF (BASF).
Mowital BA 20 S is used to manufacture shop and wash primers (1Kand 2K primers). The films adhere
extremely well to steel, iron, zinc,aluminum and other metals.
To achieve further improvement inanti-corrosion protection as well asadhesion Mowital BA 20 S can be
combinedwithlow-molecularweight phenolic, epoxy or urea
resins.
The good anchorage of the primer
on metal is caused by a binder/pigment/ orthophosphoric acid/metal complex.

This information is based on our present state of knowledge and is intended toprovide general notes on our products and their uses. It should therefore not be
construed as guaranteeing specific properties of the products described or theirsuitability for a particular application. Any existing industrial property rights must
be observed. The quality of our products is subject to our General Conditions ofSale.

Processing
Mowital BA 20 S can be processed
andappliedbytheusualequipment of the printing ink andlacquer industry.

Storage
Mowital BA 20 S can be stored in
its original packaging under dry
and cool conditions for at least 12months.

Industrial Safety andEnvironmental Protection
Not a hazardous substance within
the meaning of the current
Dangerous Substances Regulations(GefStoffV).
A safety data sheet is available on
request.

Kuraray Europe GmbH, BA PVB
D- 65795 Hattersheim
mowital.eu@kuraray.com
Comm. contact: phone: +49 (0)69 305 85341
Techn. contact: phone: +49 (0)69 305 85729

December 2016