We supply raw materials for investment casting shell mould slurry system: colloidal silica, the ceramic slurry binder; mullite(alumina silica) refractory for primary and backup coats and stucco;antifoam and wetting agents. We accept small orders. If you have any inquiries, please contact us.
Mullite
Al2O3 44-48%
SiO2 47-51%
Fe2O3 max 0.8%
TiO2 max 1.0%
Colloidal Silica
JN-30
SiO2%: 29.0-31.0
Na2O%: less than 0.30
pH: 8.5-10
Density (25°C, g/mL): 1.19-1.21
Viscosity (25°C), mPa.s: less than 7.0
Average particle diameter (nm): 10-20
Appearance: clear to opalescent
shelf life: 12 months
Packaging: PVC container, 25 Kg or 250 Kg per drum |
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