FERRO CLEAR GLOSS GLAZES

Ferro Clear Gloss Glazes are designed specifically for glaze safety requirements in New Zealand. They are very reliable and flexible glaze, fitting a wide range of commercially available ceramic clay bodies. Mac's Mud clays are specifically designed to work well with these glazes. Low Coefficient of Expansion of (56x10-7)0.212% between 20 and 400oC.

FIRING RANGE

Ferro 271D: 1080 - 1220 degrees Celsius

Ferro 6935: 1220 - 1300 degrees Celsius

INSTRUCTIONS FOR USE

Mix 1kg of glaze powder with 1.2 litres of warm water. Sieve at 100 - 120#.

TYPICAL KILN FIRING PROFILE

To 1180oC (example only):

Stage 1
Ramp: 75oC per hour
Temp: 400oC
Hold: 0

Stage 2
Ramp: 125oC per hour
Temp: 600oC
Hold: 0

Stage 3
Ramp: 150oC per hour
Temp: 1180oC
Hold: 15 minutes

Stage 4
Ramp Down: 100oC per hour
Temp: 1050oC
Hold: 1 hour

Bungs in at Stage 3

 

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