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Yellow ceramic clay no. 14sf 40 (1000-1300°C)



The yellow-coloured stoneware No 14 sf 40 contains 40 % yellowish chamotte of 0 – 0,5 mm size. This material is unique for its exclusive yellow colour.

Basic price for purchase of 10–990 kg per quality.

10% discount for purchases from 1 tonne per quality.

More details

Total incl. VAT

1,12 €


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In stock more than 500 kg
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The yellow-coloured stoneware no. 14 sf 40 contains 40 % chamotte of the same colour, in size 0 - 0,5 mm. This material is unique due to its exclusive yellow colour. Due to its light colouring, the glazes stand out well. Due to its high chamotte content and its other properties, it is suitable for large and robust products. For medium-sized products, we also offer this material in the 14 sf chamotte version (25% chamotte 0 -0.5 mm). The quality of the clay, as well as the packaging, corresponds to the high quality of all Witgert German ceramic clays.

Witgert masses are well packed in a strong PE bag secured with an aluminium clip. They can be easily transported and the clasp on the packaging can be re-closed with pliers when the required quantity is removed. Witgert ceramics are produced using wet or semi-dry technology (flakes). They are not made from dry powdered or granulated mixtures, which avoids the hardening that is common with such materials, which occurs after a period of storage even without breaking the packaging.

For long-term storage of our ceramic clays, we recommend placing them in a low-heated area (garage, basement, etc.) without the risk of freezing, put them in a black bag and tie them up. The absence of light will prevent the formation of mould. Stored in this way, the materials have a virtually unlimited shelf life.

Data sheet

Recommended firing1000 - 1300°C
Chamotte content40% chamotte size 0 - 0,5 mm
Type of matterstoneware
Colourlight yellow to yellow
Shrinkage during drying6,6%
Firing shrinkage by 1000°C1,5%
Firing shrinkage by 1100°C3,4%
Firing shrinkage by 1200°C4,1%
Firing shrinkage by 1300°C4,7%
Water absorption by 1000°C12,7%
Water absorption by 1100°C9,4%
Water absorption by 1200°C7,6%
Water absorption by 1300°C6,1%


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