FERRO 271D CLEAR GLAZE

Ferro 271D is a transparent gloss designed specifically for glaze safety requirements in New Zealand. A very reliable and flexible glaze, it fits a wide range of commercially available ceramic clay bodies. Macs Mud clays are specifically designed to have a fit with 271D. Low Coefficient of Expansion of (56x10-7)0.212% between 20 and 400oC.

Firing range: 1050oC - 1260oC

Instructions for use: Mix 1kg of glaze powder with 1.2 litres of warm water, adding 20mls of Rados for glaze suspension (optional). Sieve at 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

WAIKATO CLEAR STONEWARE GLAZE

This is our own Waikato Ceramics transparent lead free glaze formula for stoneware temperatures. 

Firing range: 1260oC - 1300oC

Instructions for use: Mix 1kg of glaze powder with 1 litre of warm water, adding 20mls of Rados for glaze suspension (optional). Sieve at 100#.

 

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