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The extreme melting point of Platinum of up to 2000ยบ C requires a specially formulated Investment Powder to cope with the intense casting conditions. Pro-HT Platinum is a water-based Phosphate-bonded Investment Powder, which has been successfully used for the casting of Platinum alloy for many years.

Traditional Platinum casting investments use a 2 part acid-bonded chemical reaction to attain mould strength at an elevated temperature, whereas Pro-HT Platinum utilises a water-based, phosphate-bonded chemical system and sets in an exothermic reaction at room temperature.

The mixing process is similar to a plaster-bonded investment such as Omega, where the powder is added to the water in a mixing bowl, mixed for the correct length of time, vacuumed in the bowl and then poured into the flask, vacuuming once again.

Supplied in 10kg vacuum sealed bags