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GlazingGlazing
101101Intro. 3d artIntro. 3d art
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What is Glaze?What is Glaze? Glaze is a thick liquid applied toGlaze is a thick liquid applied to
bisqueware and fired.bisqueware and fired.
Glaze is composed of:Glaze is composed of: TheThe fluxesfluxes help the glaze to melt in the heat.help the glaze to melt in the heat. TheThe refractoriesrefractories that increase the viscositythat increase the viscosity
and stability of the glaze, allowing it to stick toand stability of the glaze, allowing it to stick to
the ware.the ware.
TheThe glass formerglass former, aka silica, aka silica
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Why do you Glaze?Why do you Glaze?
To add colorTo add color
To waterproofTo waterproof
Give surface decoration andGive surface decoration and
treatmenttreatment Give a smooth surfaceGive a smooth surface
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Types of GlazesTypes of Glazes
Matte or GlossyMatte or Glossy
Opaque or TransparentOpaque or Transparent
Low- Fire (Cones 015 - 1)Low- Fire (Cones 015 - 1)
Mid- Fire (Cone 2 - 7)Mid- Fire (Cone 2 - 7)
High- Fire (Cone 8 -13)High- Fire (Cone 8 -13)
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CommerciallyCommercially
Produced GlazesProduced Glazes OpaqueOpaque
Gloss WhiteGloss White Black NiteBlack Nite
DenimDenim
New Albany BrownNew Albany Brown
Rust RedRust Red Straw TanStraw Tan
TransparentTransparent
Dark CobaltDark Cobalt Copper BrownCopper Brown
Golden YellowGolden Yellow
Luster GreenLuster Green
ClearClear
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How do you applyHow do you applyGlaze?Glaze?
DipDip
, using tongs, using tongs
BrushBrush, using a glaze brush, using a glaze brush
PourPour, using a glaze cup, using a glaze cup
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other Techniques ofother Techniques of
adding coloradding color Underglazes - A colorant applied toUnderglazes - A colorant applied to
bisquewarebisquewarewith a brush that requires awith a brush that requires a
transparent glaze over it.transparent glaze over it. Mason stains - a chemical colorant addedMason stains - a chemical colorant added
to clay or slipto clay or slip beforebefore a bisquefirea bisquefire
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Wax ResistWax Resist - A hot wax is applied before glazing so- A hot wax is applied before glazing so
that glaze can easily be removed fromthat glaze can easily be removed from
areas it will touch kiln shelfareas it will touch kiln shelf
To be used on foot and base before glazing,To be used on foot and base before glazing,but can also produce lovely decorative resultsbut can also produce lovely decorative results
Use only WAX BRUSH to brush wax on, once aUse only WAX BRUSH to brush wax on, once a
wax brush, always a wax brushwax brush, always a wax brush
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Dry footingDry footing
Instead of using a wax resist, theInstead of using a wax resist, the
other option is the use a wet spongeother option is the use a wet sponge
and wipe the bottoms clean. It isand wipe the bottoms clean. It is
easier to do so while the glaze is stilleasier to do so while the glaze is stillwet on your object.wet on your object.
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StepsSteps
1.1. PlanPlan
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box projectbox project
You will choose one glazeYou will choose one glaze
Wax bottom and flangeWax bottom and flange
Stir glazeStir glaze DipDip
Wipe off bottom and flangeWipe off bottom and flange
Wipe off raised areas of texturedWipe off raised areas of texturedsurfacesurface
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mugsmugs
Starting tomorrow, you will transferStarting tomorrow, you will transfer
your designyour design
Use (a minimum of 3 colors)Use (a minimum of 3 colors)
underglazes with a brush as directedunderglazes with a brush as directed
Wax bottomWax bottom
Dip into clear glazeDip into clear glaze
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2.2. Bisque FireBisque Fire
3.3. RinseRinse
4.4. Wax on base and footWax on base and foot5.5. Ask questionsAsk questions
6.6. Wipe wax areas with a wetWipe wax areas with a wetspongesponge
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TipsTips1.1. Stir glaze, slip, underglazeStir glaze, slip, underglaze
thoroughlythoroughly
2.2. Finger TestFinger Test
3.3. Always put lids back on to avoidAlways put lids back on to avoidcontaminationcontamination
4.4. Glaze insides firstGlaze insides first
5.5. Aim for an even coat of glazeAim for an even coat of glaze6.6. Clean up after yourselfClean up after yourself
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