Technical Information No. M230 Clay

Type of Clay:
Porcelain Suitable for Large item production by Potters Wheel or plaster castion , hand made. Good plasticity clay suitable to produce large items.

Fired Color:
White by reduction / Ivory by oxidation

Firing Temperature:
1200°C SK6a (oxidation) to 1280°C SK8 (reduction)

Forming Methods:

  • Roller Machine
  • Hand Forming
  • Plaster Casting

Shrinkage:
10 percent to 12 percent dry to fired at 1280 degrees C..
Small shrinkage offer less cracking and prevent deformation.

Plasticity:
Higher plasticity, suitable for large plate, wide pot, tall pot

Examples of Ceramic Products:

  • Tableware: 10-inch plates
  • Pots: Up to 16 inch height or width
  • water absorption zero percrnt at 1240 degrees fire.
  • suitable for table ware, flower pot

Clay Production Process to Ensure Quality:

ACTIONHOBBY CLAYCLAY PRODUCTION FACTORY
BALL MILLGRIND RAW MATERIALS IN A BALL MILL FOR
20 HOURS. PARTICLE SIZE 8 MICRONS AVERAGE
USE BALL MILL
ELECTRIC MAGNET REMOVE
IRON SPOT
IRON OXIDE, RUST ARE REMOVEDUSE ELECTRIC MAGNET
SIEVE 180 MESH TO REMOE
LARGE PARTICLE
YES SIEVED BY 180 MESH ELECTRICAL SIEVE..
CLAY PASS 180 MESH SCREEN
USE SCREEN
DE-AIR EXTRUDER PUG MILLCLAY IS KNEADED IN STAILESS PUG MILL
WITH VACUUM AIR POMP. NO AIR IN THE CLAY
USE VACUUM EXTRUDER
PUG MILLED VACUUM PUMP
Image description

Chemical Analysis:

Chemical NamePercentage
SiO₂68.2%
Al₂O₃19.9%
Fe₂O₃0.41%
TiO₂0.26%
CaO0.51%
MgO0.07%
K₂O4.13%
Na₂O1.38%
Ignition Loss5.16%
Total99.92%

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