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ALBURY SLIP

The naturally Australian equivalent of the famous and no longer available ALBANY SLIP from the United States is now readily available in a form suitable for use by the ceramic industry.

Mined and processed entirely in Australia, this product enables the potter to formulate new exciting glazes from this time honoured source.

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Clay firing chart

A one page, printable chart that lists our filter-pressed Clays against the recommended Orton cones for Bisque and Glaze firings.

Click here to view or print our Clay firing chart.

 

Clay storage

Try an old fridge or dishwasher with working parts removed.


 

Coil building

Ideal joining of ends, is by cutting a V shaped notch in one & arrow head on the other. Smoth the joint with slip.


 

Craquelle.

Whilst not imediatly visable, within a few days the cracks will appear.  It will be enhanced with the application of a contrasting ink or stain, whiped on and rubbed back.

 
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Glass slumping moulds from clay

The majority of people slumping glass, use one of the kaolin fibre products to produce their moulds. It may be fibre blanket, board or one of the castable products. The Kaolin products are excellent for the rapid heating and cooling phases of the firing cycle, as they are not greatly effected by the silica change, they allow the glass to breath and so release any moisture or impurities the may be present.

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Installing and adjusting the Kiln Burners.

The actual firing position and direction should be determined before installation, check the following "Kiln Floor Plan" sheet for some ideas.

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Kiln floor plans

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Screen Printing.

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Les Blakebrough SOUTHERN ICE

Three masters share their secrets for joining of Les Blakebrough SOUTHERN ICE

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Understanding Stains, Inglazes, Onglazes and Underglazes.

STAINS

These inorganic colourings are prepared or modified oxides usually available in powder form, for adding to clay bodies, slips, glazes and enamels, as well as, for use in under-glaze and inglaze decorations.

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Clay additives.

  • Vermiculite in a clay body gives a gold fleck.  Particularly good in a dark body like Terracotta.
  • Coffee grounds will burn out and leave a pitted surface.


 

Clay reclaimation

Clay that has become too hard for use, may be softened by:-

  1. Slice it into 10 to 20 mm slabs (or breaking into pieces)
  2. Spray the slices with water,
  3. Encase it into a pierced plastic bag.
  4. Put it in a microwave oven for 5 minutes on high.

The clay will be warm and thoroughly moist.


 

Clay usage chart

A one page, printable chart that rates our filter-pressed Clays against the recommended uses.

Click here to view or print our Clay usage chart.

 
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Colour and Glaze

CLAYWORKS has available a range of glazes suitable for differing application techniques at both Earthenware & Stoneware temperatures.   Most glazes are available mixed up whilst some are available as powders.

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Decoration

  • Crumple a piece of aluminium foil then flatten it out.  Roll a slab of clay on the foil & peel the foil off to reveal the texture.
  • Crumple a piece of foil into a ball & roll on clay to create a textured effect.
  • When using a slip trailer, bump the end a couple of times to remove air bubbles.
  • Mix illmenite, Mitile or zircon sand in with an engobe & brish on for an interesting textured effect.
  • Tennis ball dipped in colour and rolled around a bowl or plate is a fun way of decorating.
  • To transfer a design onto clay, use felt tipped pen on tissue paper & lay it on the clay, gently rubbing the beck of the design against the clay.
  • Try a small wire brush attachment on the end of an electric drill at slow speed.
  • Try oxides by themselves, or as a mix in a salt + pepper shaker.  Vertical surface glaze must be moist.  Flat surface glaze can be dry.

 
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Hand-building.

A collection of ideas...

 

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Japanese Tissue Transfers

Transfers generally fire to a cobalt blue colour, and under coloured transparent glazes they will often appear black/blue black/blue. Some transfers are coloured and generally have the approximate colour as the RAW stage.

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Replacing safety probe

Usually if a problem occurs keeping the flame alight while depressing the flame safety button, it indicates a fault in either the flame safety valve or the probe. It is possible for the potter to replace the probe however if a faulty valve is suspected, a gasfitter should be engaged or the burner returned to the place of purchase. If the burners are correctly mounted away from the hot kiln face, the probe should last many years. Consistent faults with the probe indicates some other prime cause.

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Temperature measurement

The measurement of kiln temperature is of great importance. Usually one or more of four possible methods are used.

The potter can look through the spy hole and assess the colour of the interior of the kiln. This facility in judgement is much to be envied and really only comes with long years of experience. As a guide to this method, the following table may be useful:

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Throwing

  • Place a mirror in front of the wheel to assist in viewing the pot & also keep an eye on hand position.
  • Centring clay is some times easier with your eyes closed.
  • Large stiff brush is ideal dor removing scraps of clay from the freshly trimmed ware.
  • Some clays throw better when the slurry of the clay is used as the lubricant rather than water.