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Underglaze Powder Colours
 Underglaze Powder Colours, product summary
Suitable for both earthenware and stoneware firings up to 1250 deg C.

The colours can be applied to greenware, bisque or to an unfired glaze surface. Use either an underglaze medium or 50% water, 50% transparent glaze.

Details of sample preparation
The glaze samples are based on a 4cm square tile of a pale clay.

UNDERGLAZES (Powdered) - We poured P1616 Casting slip into a tile mould and   biscuit fired to 1000 deg cent.   We mixed the underglazes with underglaze medium to a painting consistency and applied with a brush. We glazed with P2027 transparent glaze and fired to 1100 deg cent in an electic kiln.