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Binders

Colloidal silica

IMC provides LEVASIL® in 1,250-kilogram IBC containers. Levasil is produced by AkzoNobel and is available in the following grades:

Type 200A/30% 270F/30% 300/30% 4063
Concentration 30 % 30 % 30 % 30 %
Na2O content 0,17 % 0,35 % 0,35 % 0,3 %
Specific gravity 1.205 g/cm³ 1.205 g/cm³ 1.208 g/cm³ 1.181 g/cm³
Viscosity max. 5 mPA-S max. 6 mPA-S max. 7 mPA-S max. 7 mPA-S
Storage stability 18 months 18 months 18 months 12 months

Ethyl silicate

IMC distributes ready-to-use pre-hydrolysed Silester® AR and Silester® XAR binders from Wacker Chemie. With their unique formulation, they give superior stability. Silester® AR and Silester® XAR binders are available in 850-kilogram IBC containers.

Properties Silester® AR Silester® XAR
Specific gravity (20°C) 0,92 g/cm³ 0,92 g/cm³
SiO2 content 20 % w/w 20 % w/w
H2SO4 acidity 0,07 % w/w 0,07 % w/w
Solvent Ethanol Ethanol/2-Propanol
Flash point < 21 C° < 21 C°
Freezing point <-70 C° <-70 C°
Shelf life 6 months 9 months
Binders

Wacker® TES40 WN binder is an ethyl silicate providing approximately 41% silicon dioxide (SiO2) upon complete hydrolysis. TES40 WN is available in 1,000-kilogram IBC containers and a 15-ton tank.

Properties Silicate TES 40 WN
Specific gravity (20°C) Approx. 1,06 g/cm³
SiO2 content Approx. 41 % w/w
Acidity (ppm HcL) Max. 10
Flash point > 62 °C
Shelf life 36 months