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.

WE AIM TO HAVE MAC'S MUD CLAYS WORK WELL WITH THESE GLAZES (ALTHOUGH NOTE THESE GLAZES ARE MADE BY FERRO SO WE ARE NOT IN CONTROL OF THE MATERIALS THEY ARE USING OR INDIVIDUALS FIRING SCHEDULES. WE RECOMMEND YOU ALWAYS TEST FIRST, INCLUDING NEW BATCHES OF GLAZE).

THEY HAVE A LOW COEFFICIENT OF EXPANSION OF (56X10-7)0.212% BETWEEN 20 AND 400 DEGREES CELSIUS.

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 1180 DEGREES (EXAMPLE ONLY):

STAGE 1
RAMP: 50 DEGREES PER HOUR
TEMP: 400 DEGREES
HOLD: 0

STAGE 2
RAMP: 100 DEGREES PER HOUR
TEMP: 600 DEGREES
HOLD: 0

STAGE 3
RAMP: 150 DEGREES PER HOUR
TEMP: 1180 DEGREES
HOLD: 15 MINUTES

STAGE 4
RAMP DOWN: 100 DEGREES PER HOUR
TEMP: 1050 DEGREES
HOLD: 1 HOUR

BUNGS IN AT STAGE 3