Technical Information - SILK Powder/water ratio 38 - 40% Work time @ 22°C 8 - 9 minutes Initial set time 10 - 12 minutes Thermal expansion @ 750°C 0.73% Setting expansion € 2 hours 0.65% For full instruction on how to use SILK please refer to the mixing and burnout instructions found in every box. Item is brand new, FRESH BATCH, in box, never used.
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