Premium Buff 1100-1290c Kg:100 The RK-55 allows you to

The RK-55 allows you to get your hands on one of their esteemed and well-made products without breaking the bank

Due to its relatively high calcium content

thick glaze range ideal for both brush strokes and achieving opaque coverage

When fired correctly

Premium Buff 1100-1290c Kg:100 The RK-55 allows you toRecommended firing range: 11001290C (Cone 0211)Indicative texture rating: 2 on a scale where 1 is smooth and 10 is coarse. Hardness: NGK 67, measured using an industry standard penetrometer. Indicative total contraction: 1100C 10%, 1200C 12%* Premium Buff is a 2022 reformulation of several long standing Potclays buff bodies (Buff School Clay 151 1120, 151 1124 Sanded Buff, and Buff Stoneware 151 1117), which were discontinued when a key raw material