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Plaster to Water Ratio (by weight) 1.43:1
Water to plaster ratio ( by weight) 70%
Plaster to water mix ratio (by weight) 100/70
Chemical Name: Calcium sulphate hemihydrate
Chemical Composition: CaSO4 .1/2 H2O
Initial setting time (minutes) 20
Final setting time (minutes) 25
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.
We try to dispatch all orders the next working day if purchased before 13:00 GMT
If an order is placed containing items that are on BACK-ORDER, The whole order will not be dispatched until the back-ordered items are in-stock. you will be notified by email once dispatched
Standard – Can take up to 3-5 working days) – £3.99
Express – Next Day+ Delivery - £7.99
*Free shipping on orders over £35 – excludes orders containing aerosols and any orders shipping to outside of the UK.