Pottery Plaster 20kg

$36.32 Ex. GST
$39.95 Incl. GST
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Slow setting plaster, ideal for casting work as it will not crack easily, as with inferior plasters.

Please note: Pottery Plaster is equivalent to Plaster of Paris.

20kg Pottery Plaster = 16.95 litres of volume (approx.), when mixing instructions are followed.

 

Mixing Plaster: Pour water into a plastic container. Sprinkle the powder onto the surface of the water.

DO NOT STIR YET. Keep adding powder until the 'hill' that forms in the centre of the water ceases to sink under the surface.

This is the correct proportion of water to plaster.

Wait until all of this 'hill' is dampened by the water seeping up.

Stir the mixture carefully in such a way that air is not trapped.

Mix and add more water/plaster until it reaches a pouring consistency similar to cream or toothpaste.

When the mixture is ready, lift the container and gently bang it down onto the bench or floor a few times to force any air bubbles upwards. It should now be ready for use.

Pour into clay or plastic mould.

Working time: 10 minutes before it will start to set.

Setting: Plaster will harden within 2-4 hours. Best to leave overnight to ensure fully set.

(ML625)

SKU ML625
Barcode # PotteryPlaster20kg
Shipping Weight 20.0000kg

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