Potclays Materials

Potters Plaster

Name: Potters Plaster
Brand: Potclays Materials
SKU: 3450
Availability: InStock

3450

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About

Potters Plaster is a good general-purpose plaster for pottery moulds for slipcasting.

Primarily used to produce working moulds for the slip casting of sanitaryware, tableware or refractory castings.

It can also be used for the production of working moulds for jiggering in Tableware.

Potters Plaster has good absorption capability, taking the moisture from the clay slip effectively.

For block & case moulds, use a high density plaster such as Keramicast 3451-01.

Plaster/Water Ratio: 100/68
Working Time: 9 Minutes
Demould Time: 13 Minutes
Expansion: 0.26%
Compressive Strength: 16 Mpa

Data Sheet: See Downloads tab to the right of the Description tab or click this link>

IMPORTANT: Storage of Plaster Products

Plaster-based products are not recommended for conditions where they are likely to be located externally or in any way subjected to weathering or excessive dampness. Absorption of moisture can result in changes to physical properties, including a reduction in the set strength of plasters and also a lengthening of setting time. Gypsum minerals can be affected by absorption of moisture and may change physical properties.To help protect the product during use, open or part used bags should be carefully folded and closed.
Saint Gobain Formula’s guarantee is that their plaster will meet the specifications stated on their data sheet for a 6 month period from date of manufacture. This does not mean that the plaster will not be usable after 6 months, just that it may well fall out of some of the parameters quoted on their data sheets. For example, set times will typically increase as the plaster ages, so it is likely that at some point beyond 6 months the set time will be higher than the figure quoted on the data sheet. This does not necessarily affect the strength or durability of the plaster, but may require a small adjustment in the mixing / application process.
If you have any further questions please contact our Technical department.