First thing to notice is that GOLDEN acrylics do not have an expiration date. There is no definitive shelf life, meaning if they are stored well, they should not go bad or change and should remain viable for many, many years. We recommend storing the paints in their original containers between 60 – 75 degrees and it is best if they do not experience large temperature fluctuations.
Remove dried or wet paint from the threads of the jar and lid.
It is important to keep the threads on the mouths of
paint tubes, jars and bottles, as well as from the caps and lids clean, in
order to maintain an airtight seal. Make sure to wipe the threads clean
before replacing caps and storing paints. Acrylics dry through water
evaporation, so if the water is kept in and the air out, it should keep the
paint useable. Our jars are made of HDPE (High Density Polyethylene)
plastic, which is a great moisture barrier and the liners in the lids also help
to keep the products fresh.
If there is any separation of clear or milky fluid on
top of the paints upon opening, simply stir the liquid back into the paint
until you have a homogenous mixture. Do not pour off the liquid, these are
important elements of the composition and should be mixed back into the paint.
If the paint or mediums have thickened, it may be
possible to loosen them up by adding some GAC 100. Add in small increments and
stir until the consistency is similar to fresh paint or mediums. A little
distilled water could also be added to help bring the paint back to its
original consistency.
If there is a need to store paints and mediums that
have been thinned with water, we recommend using distilled water for the
thinning, as tap water can sometimes cause mold growth. Acrylics thinned
with a lot of water will often cause crashing of solids that cannot be remixed
or overwhelm the preservative in the paint and also cause the paints to begin
to smell and grow mold.
Polyethylene plastic sheeting circles cut to the diameter of the inside of containers.
As the products are being used and the
amount of paint, gels or pastes from the jars is being depleted, it may be
possible that the large amount of air trapped inside or “head space” could
cause the product to dry out.
You could transfer the material into a smaller
airtight container or the drying could be inhibited by using a circle cut
from polyethylene plastic sheeting that is the diameter of the inside of
the jar and laying the circle directly down upon the paint, then closing the
lid. This will reduce the “head space” and block oxygen from getting to the
paint to dry it out.
If the threads of the tube, bottle or jar seem
very dirty and you cannot clean it completely, plumber’s Teflon tape could be
used along the threads to help create an airtight seal.
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If you have stored and cared for your
materials properly and find any of the GOLDEN product has dried completely,
please contact our Materials and Applications Department at 800-959-6543 or help@goldenpaints.com
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Golden Artist Colour products can be bought from Scrap-n-Crop.com in Malaysia.
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