4kg Tuffcast high precision casting powderA specially formulated casting Powder designed specifically for Linka & Scalecast model making mouldsformulated for model railway and wargame casting moulds in OO Gauge, N Gauge and all wargame scales for our full range of moulds check out all our productsBlended with a very hard powder for extra strength. You will have 30 minutes before this plaster begins to set allowing you to ensure you have no air bubbles. Virtually no expansion ensures you can extract your casts much easier than with other casting powdersMix at 40:100 ratio of Water / PowderSet Time = 30 MinutesExpansion 0.08ÂStrength 40 N/mm2
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