Spectrum Raku Brush-On Glaze: Orange 454ml
- Sku - 210872/P
- In Stock
210850-210891 - TheseRaku glazes were developed for firing in either electric or gas kilns. The firing process is described below. Eleven of the Raku glazes are lead-free and non-toxic (850,851,854,856,871,872,873,874,875,877,878). All of the rest are lead-free, but are over the threshold limit for copper and are therefore not non-toxic in the liqui…
| Each (Exc. VAT) | Price (Exc. VAT) | Quantity | |
|---|---|---|---|
| 1.00 | £15.53 | £15.53 | |
| Each (Inc. VAT) | Price (Inc. VAT) | Quantity | |
| 1.00 | £18.64 | £18.64 |
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Description
Spectrum Raku Brush-On Glaze: Orange 454ml
Spectrum Raku Glazes210850-210891 - TheseRaku glazes were developed for firing in either electric or gas kilns. The firing process is described below. Eleven of the Raku glazes are lead-free and non-toxic (850,851,854,856,871,872,873,874,875,877,878). All of the rest are lead-free, but are over the threshold limit for copper and are therefore not non-toxic in the liquid state. The liquid glazes are set up for brushing application. They can also be poured or dipped on pieces, although they should probably be thinned with a little water for this type of application.
Due to the many variables involved in Raku firing, particularly during the reduction phase, our chip charts and printed colour charts should be used only as approximate guidelines. Your results may vary greatly due to different firing conditions.
RAKU FIRING Raku glazes can be fired anywhere from 1600 F up to cone 06 (1850 F) in either an electric or gas kiln. We recommend firing 850 to 856 and 868 to 879 to a peak of 1700 - 1750 F and 860 to 866 to a peak of 1600 - 1650 F. They should be allowed to cool in the kiln to 1600 F. Different combinations of peak temp and reduction starting temp will produce different results. While still red hot they should be transferred as quickly as possible into a reduction bin (typically a lidded metal garbage can or small metal container that has been lined with organic material, such as newspaper and/or sawdust, etc.). As soon as the pieces are in the bin the lid should be put on to keep oxygen from entering the container, in order to develop the reduction atmosphere. The pieces should be allowed to cool in the bin for at least 20 minutes.
WARNING: When red hot pieces go into the bin, the organic material ignites and will produce flames and smoke. This part of the firing, particularly the opening of the reduction bin, should be done outside. Always take safety precautions when firing raku such as the use of high temperature gloves, protective eyewear, and a respirator. Always have a fire extinguisher handy.
FIRING TIPS - Try to size the reduction bin to the size of the piece - Establish a good seal to the reduction bin so that air is not entering and smoke is not leaving the bin. - Position the organic material ( newspaper, sawdust, etc.) and the piece so that the flames can get all around the piece. - Different organic materials may produce very different results, for example a glaze reduced in newspaper could be a beautiful blue colour and the same glaze reduced in sawdust could have a metallic copper appearance. - Pieces should be cleaned immediately with water and a hard bristle brush. After cleaning, warm the pieces in the kiln to evaporate any water from the piece. This helps to set the colours more permanently.
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Delivery & Returns
Delivery & Returns
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DELIVERIES
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IMPORTANT INFORMATION
We are bound by the terms and conditions of our carriers therefore we cannot pursue a claim if these instructions are not followed:-
Special Delivery Conditions: You must inform us at point of order of any special conditions such as restricted access or opening times, otherwise you will be liable for any consequential costs incurred.
Damage/Missing Items: You must check your delivery carefully before providing a ‘clear’ signature to the driver. Outward signs of damage/disruption to packaging must be noted alongside your signature. You must notify Potclays of damage or missing items within 24 hours of delivery.
RETURNS
Returned Goods (Non-faulty): Subject to our prior consent having been obtained, products can be returned to us in an unused condition within 30 days of invoice date. An administrative charge will be levied of 10% of the nett value plus transport, but subject to a minimum charge of £2.00.
Returned Goods (Faulty): If merchandise is returned because of some defect or due to error on our part, full credit/refund will be given. However, customers must contact us in advance so that making methods and user error can be ruled out.
