A New Breed of Investment That's Rapid, Reliable and Ringless

A carbon-free, fine-grain phosphate bonded investment for casting crown and bridge and ceramic alloys. This versatile all-purpose investment has been specially formulated to use with a rapid burnout technique. It can be used both with a metal ring and a ringless technique without cracking. Special Liquid Concentrate- Plus provides the high expansion especially needed for non-precious alloys and can be diluted as needed for other alloys.


  • Crack resistant and tolerant to rapid temperature rise
  • Can be used both with ring or ringless technique
  • Easy breakout for faster cleanup
  • Smooth, accurate castings reduce finishing time

*Suggested concentration of Special Liquid Concentrate- Plus is 80% (4 parts liquid to 1 part water).

*Recommended Liquid: Special Liquid Concentrate – Plus

Physical Properties

Liquid*/Powder Ratio
23 mL/100 g
Working Time
8 - 9 minutes
Setting Expansion
Thermal Expansion
Compressive Strength, Wet
700 psi (5 MPa)
Item No. Description
Special Liquid Concentrate - Plus (Keep from freezing)
38122 340mL Bottle
38127 1 Liter Bottle
38130 6pk / 1 Liter Bottles