Dremel 876 Specifications download pdf (Page 29)

Extrude - To draw out; force or press out; force through a narrow

opening, as clay.

Face - The outside surface of a mold.

Fat Oil - A china painting medium produced by the evaporation of

gum turpentine.

Ferrule - The metal band that holds the bristles of the brush and

the handle together.

Fettle - To trim the spares from cast pieces or the seam lines from

greenware.

Fettling Tool - A soft knife or hard blade knife to trim and remove

the mold spare or seam line.

Filler - Any material that will promote drying and lessen shrinkage

of clay, i.e. grog.

Finger Tool - Needle fine sawtooth tool for cleaning the fingers of

figurines. A fine steel tool for the same purpose.

Fire Brick - A refractory brick which withstands high tempera-

tures; used in building kilns.

Firing - Maturing ceramic products at recommended heats.

Firing Chamber - The interior of the kiln.

Fit - The adjustment of glaze to the clay; the shrinkage rates are

the same for the glaze and clay to be compatible. Improper fit

results in shivering of the glaze(s).

Fitch Hair - Hair used in making stippling brushes. Hair is stiffer

than Camel hair.

Fixative - A coating used to seal or fix colors.

Flashing - A reaction of one glaze onto the surface of another;

cause by chrome in the glaze fuming during the firing.

Flint - A form of quartz; a refractory material.

Flocs - Thin, flat oval crystals that cling together and form a

compact mass, as in clay.

Flow - To move in firing.

Flux - A substance which will lower the melting point of ceramic

products.

Foot - Base of ware.

Free form - Having no specific geometric form.

Frit - Glass which has been melted, cooled and ground to a fine

powder; used in glaze and enamels.

Fuse - Join by melting together.

Fusion Point - Degree of heat at which particles will melt together.

Gang Mold - Several castings can be produced at the same time in

one mold; each casting has its own pour hole.

Glassification - Melting into a glass; i.e. Glaze.

Glaze - A glass coating on a ceramic piece.

Glaze Butting - The specific placement of two glazes together so

they do not run together. a.k.a. Controlled Glazing.

Glaze, Dipping - Type of glaze especially designed for a dipping

process.

Glaze trailing - The placement of a glaze or color through a

squeeze bottle.

Gloss Glaze - A shiny glaze with a high reflective surface, unlike a

matte or satin glaze.

Gold, Dry - Chemically pure gold.

Gold, Glass - Gold formulated to flux at cone O22 maturing the

color.

Gold, Liquid Accent - A form of gold held in colloidal

suspension; fires bright but has less carat content of the gold.

Gold, Liquid Bright - A form of gold held in colloidal

suspension; fires bright, high carat content of gold. A brighter and

more reflective surface than Accent Gold

Gold, Paste - Has a higher gold content than liquid Roman; fires

dull, must be burnished.

Gold Roman - Fires dull, must be burnished.

Graining - Creating a wood grain with glaze or acrylic stains;

opaque or translucent.

Graphite Paper - Similar to carbon paper; used to transfer designs

to china.

Greenware - Clay item before it is subjected to bisque firing.

Grid - A series of uniform squares.

Grind - To eliminate grit from powdered color by mixing with flat

side of a palette knife.

Grit Cloth - An abrasive cloth for cleaning greenware.

Grit Pad - A foam backed abrasive pad used in sanding or

cleaning.

Grog - Finely ground up bisque added to clays to reduce the

shrinkage or for thermal shock.

Gum Arabic - A water soluble gum obtained from several acacias;

used in adhesives as a binder.

Gum Tragacanth - A tasteless odorless white or reddish gum

obtained from several shrubs; used in glazes to keep material in

suspension.

Hard Paste - Refers to a type of very hard fine porcelain.

Hard Spot - A spot on the greenware that resists decoration. Can

follow through to the bisque.

Glossary

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Dremel 876 Specifications Page 29

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