Process Capabilities









Process Controls



Raw Material Testing:

In Process Testing:


Wax:

Hardness Contraction
Congealing Point

Wax Pattern:

Dimensions
Shrinkage
Fins & Other Irregularities


Flour/Stucco:

Sieve Analysis
Free Iron Content

Slurry:

Viscosity
Plate Weight
Specific Gravity %Sio2


Colloidal Silica:

Digital PH Meter
Viscosity

Shell:

Shell Strength
Permiability
Shell Thickness


Scrap:

Chemical Analysis
Size & Shape
Oil / Dirt / Coating

Melting:

Metal Temperature
Shell Baking Time
Chemical Analysis
Shell Temperature
Tapping to Pouring Time