Home Next

     Bubbles, Complete spheres 
 
Usually caused by Cured by
Investment too thick. Too little water. Use correct powder / water ratio. 
Vacuum pump/ tank faulty. Ensure equipment is regularly serviced and adequate for the task.
Work cycle too long. Investment beginning to set while still under vacuum. Ensure the work cycle is not too long and slurry temperature is 20- 22oC
 
  Casting problems
  Wax pattern problems
  Mould rubber problems
Mixing guide
De-wax and  burnout cycles
Sitemap
 

 Gold Star Powders