Introduction of the company Vodní sklo a s

Introduction of the company Vodní sklo, a. s.

TONASO Holding, a. s. Owner is private family from Czech Vodní sklo, a. s. Silicate chem. Silicate (Na, K, Li) Foundry binders Plastificator Degreasing agent Vodní sklo , a. s. Calcic chem. Ca. Cl 2(food, technical grade) Ca. CO 3 precipitated ESON, s. r. o. Transport Servis

Vodní sklo, a. s. Silicate chemistry - history 1882 - 1905 Schicht - Střekov 1945 - 1989 STZ n. p. 1990 - 1994 Setuza a. s. 2010 Höchstetter - Brno Škrobárny Brno n. p. Solvay - Neštěmice TONASO n. p. Vodní sklo Brno a. s. Silchem/KOMA s. r. o. Vodní sklo a. s.

Vodní sklo a. s. Silicate chemistry – the present 2014 • a production trading company • the member of TONASO group (TONASO Holding a. s. ) • the production and sale of nearly 55 thousand tons of silicates per year, the sale of 8 thousand tons of chemicals per year • 2 production units in the Czech Republic • 70 employees • turnover 15 mil EUR • certification ISO 9001: 2008 (MOODY INTERNATIONAL) • certification ISO 14001

Products Production • sodium silicate (1, 6 -3, 5 MR) Trade • soda ash (Solvay) • potassium silicate (1, 5 – 4, 1 MR) • bicarbonate (Ciech) • binders for foundry industry • colloidal silicates (Akzo Nobel) • lithium silicate • deflocculating agent for ceramic industry • metasilicates • industrial degreasing agents

Distribution silicates Type Density (kg/m 3) Surface area (m 2/g) Particle size (nm) Appearance Water glass 1400 -1650 100 – 1000 -- Viscous liquide Colloidal Si. O 2 1200 -1500 80 - 300 4 - 200 Opalescent liquide Silicagel 1600 100 - 800 2 - 100 Powder Precipitated Si. O 2 1600 20 - 100 20 - 50 Powder Pyrogenic Si. O 2 100 - 400 10 - 20 Powder 400

Silicates – Water glass Sodium water glass § Hydrothermally reaction (sand+Na. OH) § Dissolving of lump § § § § Molar ratio (1, 0 – 3, 3) Density (kg/m 3) Content Si. O 2 and Na 2 O Viscosity (m. Pa/s) Turbidity (NTU) Coagulation threashold Filtered / Unfiltered Intermediate MR 2, 0 Intermediate MR 3, 3

Silicates – Water glass Potassium water glass Intermediate MR 3, 3 – 4, 1 § Dissolving of lump § § § Molar ratio (1, 0 – 4, 1) Density (kg/m 3) Content Si. O 2 and K 2 O Viscosity (m. Pa/s) Filtered / Unfiltered

Silicates – Water glass Lithium water glass § Non – pressure technology § § Molar ratio Density (kg/m 3) Content Si. O 2 and Li 2 O Viscosity (m. Pa/s)

Silicates – Water glass Foundry binders (production foundry core) § Additives silicates § Monitored parametres – coagulation threashold, regeneration sand, disintegration core § Types: Desil Al, Desil J, Dilab, Dorsil

Silicates – Water glass Plastificator for ceramic industry § Additives silicates § Monitored parametres – litres weight, dry mass, consumption of plastificator § Types: Silztek 1 - 16

Products - aplication • Detergents • Paper industry • Foundry industry • Refractory industry • Ceramic industry • Machine building • Coating industry • Welding industry

References

Map

Vodní sklo, a. s. registered office: Krakovská 1346/15, 110 01 Praha-Nové Město ID: 27921662 premises: 1. U Tonasa 172/2, 403 31 Ústí nad Labem 2. Dornych 47, 656 16 Brno trade office: tel: + 420 475 245 290 Ústí nad Labem, + 420 530 000 Brno E-mail: info@vodnisklo. cz www. vodnisklo. cz

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