What is “liquid glass”?
How to Make a Small DIY Fireproof Foamed Silicate Block (≈ 100–150 kg/m³) at Home or in a Small Workshop
Warning: Wear gloves, safety goggles, and a dust mask. Work in a well-ventilated area or outdoors. Hydrogen peroxide 30–50 % and some calcium salts can irritate skin and eyes.Exact Ingredients for ≈ 1 Liter of Finished Foam (one small brick ≈ 15 × 8 × 6 cm or similar)
