Silicate Paint

About

• Siliates uses brochure - [1]
• Silicate mineral paints - https://en.wikipedia.org/wiki/Silicate_mineral_paint
• German manufacturer discussses 3 generations of this paint - [2]

Designing the Paint

• How sodium silicate has been used in wood prervation from prior art of a recent patent - [3]
• Sodium silicate preserves wood - [4]. Open source this.

Sourcing

• $2/lb for 50 lb bag. [5]
• Potassium silicate - <$1/lb on ton scale - [6]
• Sodium silicate - $200/ton - [7]
• But wikipedia says that Minaral Silicate Paint uses potassium silicate. -[8]
• $5/lb in 50 lb bags - [9]
• $35 for a gallon of 40% solution on Amazon - [10]

Making

• You can make it from potash (KOH) reacted with silica desiccant beads - [11]

Buying

• https://www.keim.com/en-de/products/wood-coating/

Other Methods

• Acetylation makes wood last for ever - https://en.wikipedia.org/wiki/Wood_preservation.

• Acetic anhydride - autoclave treatment of wood - [12]. It is used to make heroin, so it may be restricted.
• Article on acetylated wood - [13]