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Manuals

Powder

http://www.faqs.org/patents/app/20080281019#b

Plaster PVA Maltodextrin Terra Alba (a small amount)

The Terra Alba is important for fast drying. But adding too much will cause it to dry too fast and crack.

Alabaster plaster with 20 to 80 micron (call manufacturer) needs a mix of small and large particles.

Binder

Percentage (amount needed for 1 gallon)

  • Distilled Water: 93.45% volume (3537 ml)
  • Surfynol 465: 0.5% volume (18.92 ml)
  • Glycerol: 6% volume (227.12 ml)
  • Potassium Sulfate: 0.2% weight (7.5 mg)
  • Proxel GXL: 0.05% volume (1.89 ml)

Glycerol: http://www.coleparmer.com/catalog/product_view.asp?sku=8816552&pfx=WU

Surfynol 465: http://www.airproducts.com/sitecore/media%20library/downloads/s/surfynol-465/chem-samples/Surfynol%20465%20-%20Chem%20Sample.aspx

Potassium Sulfate: http://www.coleparmer.com/catalog/product_view.asp?sku=8822253

Proxel GXL: http://www.archchemicals.com/Fed/BIO/Docs/Splash/Proxel-GXL.pdf

Tools

Surface Tensionometer: http://www.coleparmer.com/catalog/product_view.asp?sku=5978090

Viscosity meter: http://www.coleparmer.com/catalog/product_view.asp?sku=0870100

Surface tension: 45 dynes/cm

Viscosity: 1.35 cps

Homebrew Links http://reprap.org/wiki/Powder_Printer_Recipes

3dprinter.txt · Last modified: 2013/06/25 15:47 (external edit)