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G.
BERGER’S ISOLATING SPRAY VARNISH
This isolating PVA varnish was designed to serve as a fixative for retouches,
and to protect fresh retouches when the painting is varnished.
It is carefully balanced formulation of vinyl resins and fast-drying
solvents which are ideal for application by spraying.
It can be applied to a recently varnished painting without casing
“spotting” or “orange peel” (3). Once
the isolating varnish has dried (1 or 2
hours), the painting can be varnished with a suitable furnishing varnish, such
as BEVA® Finishing or Matte Varnish or UVS Finishing or MATTE Varnish.
Because the isolating varnish dries
rapidly, it does not penetrate absorbent surfaces, such as those of modern and
contemporary paintings, and causes only minimal color change.
Because
its vinyl resins are colorless, stable, and clear, G. Berger’s Isolating Spray
Varnish can be used to ‘isolate’ acrylic paintings from any overpainting or
varnishing which they might require for their protection.
Although, the application of PVA on acrylics is irreversible, such a
coating might nevertheless prove useful as a protection for the surfaces of
these paintings since PVA’s do not discolor.
G. Berger Isolating is available in
one-quart cans. It should be
sprayed without further dilution at 40 lbs. per square inch air pressure.
3. “Inpainting Using PVA Medium”, by G.A. Berger, in
“Preprints of Contributions to the IIC Brussels
Congress, 1990.
Isolating Varnish: 1.0 Quart
Price: $44.00 each (+S & H)
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