Specialist Crafts Buff Stoneware Clay - 12.5kg Bag

Specialist Crafts Buff Stoneware Clay is one of our most popular ceramic clays, valued for its versatility, reliable working properties and range of firing possibilities. Made with a fireclay-based stoneware body containing 10% sand grog, it provides a strong, dependable clay suitable for both earthenware and stoneware projects.

This general-purpose pottery clay throws well on the wheel and turns easily, making it suitable for everything from small plates and bowls to larger pots and intricately carved ceramic pieces. Its combination of workability and strength makes it a practical choice for students developing their pottery skills and experienced ceramicists working on more ambitious forms.

The clay's buff body provides a versatile base for exploring ceramic surface decoration, glazing and carved detail. With a bisque firing temperature of 1000°C and a glaze firing range of 1120–1270°C, it offers flexibility for a variety of ceramic projects and firing approaches.

Supplied in a 12.5kg bag, Buff Stoneware Clay is an excellent all-round choice for school and college ceramics, pottery workshops and studio use.

Key Features

Versatile, general-purpose buff stoneware clay

Strong, reliable fireclay-based body

Contains 10% sand grog

Suitable for earthenware and stoneware work

Excellent throwing properties

Turns easily for shaping and refining pottery

Suitable for small plates through to large pots

Ideal for carved and decorative ceramic pieces

Shrinkage rate: approximately 12%

Bisque firing temperature: 1000°C

Glaze firing range: 1120–1270°C

Supplied in a 12.5kg bag

Firing Temperatures

Bisque firing: 1000°C

Glaze firing: 1120–1270°C

Grog Content: 10% sand grog

Shrinkage Rate: Approximately 12%

Best For

General-purpose pottery and ceramics

Pottery wheel throwing

Turning and refining thrown forms

Plates, bowls, vessels and larger pots

Carved and decorative ceramic work

Earthenware and stoneware projects

Exploring ceramic form and surface decoration

GCSE, A Level, FE and HE ceramics

School and college pottery studios

Important Information

Drying and firing: Allow clay work to dry thoroughly before kiln firing. Use compatible glazes within the recommended firing range.

Shrinkage: Allow for approximately 12% shrinkage when planning the dimensions of finished ceramic pieces.

Water resistance: Fired stoneware is not automatically impermeable. For pottery intended to hold liquids or be exposed to frost, apply a suitable glaze to help reduce water absorption, ensuring the glaze is free from pinholes and crazing. Glazing does not guarantee complete waterproofing or frost resistance.

Protecting surfaces: Always place vessels holding water on a protective mat to help prevent moisture damage to porous surfaces such as wood.