Ceramics

Links

• https://old.reddit.com/r/Ceramics/
• Kiln_Controller
• Making Casting Slip: https://www.youtube.com/watch?v=9I3XE3D6Nqs
  • Clay and Water to Thick Oatmeal (200 parts dry clay, 50 parts water, ballpark)
  • Mix in 4 parts Sodium Silicate and 1 part soda ash until half-and-half consistency.
• The Competition: https://www.youtube.com/watch?v=2JWwIpmHLO8
• Production Moldmaking: https://www.youtube.com/watch?v=5rUq9m_mIW8
• Slip Chemistry : https://www.youtube.com/watch?v=dmj7XiOd1K4

Recipes

Plaster

• 1 Liter of Mold
• 1 Kilo of Dry #1 Pottery Plaster
• 0.7 Liters (kilos) of Water
• slake 3 minutes
• stir 5 minutes

Slip

• 1.75 - 1.8 specific gravity
• too much deflocculant = gels quickly
  • Just right = gels eventually, like hours
  • OK - never gels but very liquidy
• recipe 1
  • 40 fl oz thick oatmeal clay
  • 12 ml sodium silicate solution
  • 1/4 tsp soda ash (dissolved in water)
• barium carbonate to capture salts
• sodium ash to capture lignite (small)
• filter to remove large lignite

Images

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