FastFire 15


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FASTFIRE 15 is a fine grain phosphate investment which requires only a 15 minute benchset before placing molds into a hot oven for rapid burnout. It produces accurate, smooth castings using either the ringless or metal ring technique. Optimum fit is achieved for all crown and bridge alloys through dilution of the freeze stable FASTFIRE LIQUID.


  • Produces castings in less than one hour
  • FASTFIRE LIQUID allows year round problem-free shipping and controlled expansion
  • Reliable performance using many casting techniques and alloys
  • Exceptionally smooth, accurate castings

Liquid Sold Separately

Liquid*/Powder Ratio

27 mL/100 g

Working Time

7 – 9 minutes

Setting Expansion


Thermal Expansion


Compressive Strength, Wet 500 psi (3.4 MPa)

Recommended LiquidFast

Fire Liquid*Measured at 100% Liquid Concentration

Additional information

Weight N/A
Dimensions N/A

25 – 60 g Package, 150 – 60 g Package, 25 – 90 g Package, 100 – 90 g Package, 9 kg (20 lb.) Carton, 340ml Bottle, 1 Liter Bottle, 6 – 1 Liter Bottles, 6 – 340ml Bottles


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