Stoneware Crank Clay 12.5kg
A stoneware clay body with a good degree of plasticity, it contains a coarse silica grog giving it coarse texture. It dries a pale buff, off-white colour.
Suitable for hand and slab building, modelling, and medium sized sculptural work.
Firing temperature range: 1120 - 1280°c
Supplied in 12.5kg bags. This is not air drying clay.
Warning - this products contain crystalline silica - If the product is allowed to dry, any powder product generated is hazardous to health by inhalation. Excessive and repeated inhalation of quartz over a prolonged period can cause chronic lung damage.
Technical Information:
Si02%: 70.95
Ti02%: 1.13
AL203%: 18.60
Fe203%: 0.93
P205%: 0.05
Ca0%: 0.14
Mg0%: 0.36
K20%: 1.87
Na20%: 0.26
Total Contraction 1200°C: 8.20%
Pre Fired Total: 1280
Thermal Expansion 500°C: 0.240, 600°C: 0.324
Texture (1=smooth, 10=Coarse): 10
Fired Colour: Buff