CALCAST® 300 is a 100% α – hemi hydrate.The plaster is calcined in a so called autoclave under steam pressure which gives a different kind of crystal structure.It needs less water to hydrate and therefore the hardened end product is much harder than that of traditional plaster
pot life: 4 mins - Curing time: 30 mins - water: 32 - 42gms Powder:100gms
It is mostly used for:
- casting decorative items
- master moulds
- building chemistry as an expansive agent for high alumina based mortars
general use where an extreme hardness is required
CALCAST 300 IS ONLY AVAILABLE FOR PICK-UP FROM OUR SHOP IN AMSTERDAM !
Please note:
1. ALWAYS weigh the water first and add the powder to the water, NEVER add water to the
powder.
2. All times are approximate, remember both water and ambient temperature will affect these.
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