colloidal silica, silica sol

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Origin:

China

Payment Method:

Telegraphic Transfer (T/T)

Colloidal silica has long been used in the investment casting industry. An important use of colloidal silica is as a binder in refractory molds prepared for precision investment casting.

ilica Sol (Colloidal Silica)

JN-20
SiO2%: 20.0 ± 1
Na2O%: d 0.30
pH: 8.5 – 10
Density (25°C, g/mL): 1.12 –1.14
Viscosity (25°C), mPa.s: d5.0
Average particle diameter (nm): 10 – 20
shelf life: 12 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

JN-25
SiO2%: 25.0 ± 1
Na2O%: d 0.30
pH: 8.5 – 10
Density (25°C, g/mL): 1.15 –1.17
Viscosity (25°C), mPa.s: d6.0
Average particle diameter (nm): 10 – 20
shelf life: 12 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

JN-30
SiO2%: 30.0 ± 1
Na2O%: d 0.30
pH: 8.5 – 10
Density (25°C, g/mL): 1.19 – 1.21
Viscosity (25°C), mPa.s: d7.0
Average particle diameter (nm): 10 – 20
Appearance: clear to opalescent
shelf life: 12 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

JN-40
SiO2%: 40.0 ± 1
Na2O%: d 0.40
pH: 9.0 – 10.5
Density (25°C, g/mL): 1.28 –1.30
Viscosity (25°C), mPa.s: d25.0
Average particle diameter (nm): 10 – 20
shelf life: 12 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

SW-20
SiO2%: 20.0 ± 1
Na2O%: d 0.04
pH: 2.4 – 4.0
Density (25°C, g/mL): 1.12 –1.14
Viscosity (25°C), mPa.s: d5.0
Average particle diameter (nm): 10 – 20
shelf life: 6 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

SW-25
SiO2%: 25.0 ± 1
Na2O%: d 0.05
pH: 2.4 – 4.0
Density (25°C, g/mL): 1.15 –1.17
Viscosity (25°C), mPa.s: d6.0
Average particle diameter (nm): 10 – 20
shelf life: 6 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

SW-30
SiO2%: 30.0 ± 1
Na2O%: d 0.06
pH: 2.4 – 4.0
Density (25°C, g/mL): 1.19 –1.21
Viscosity (25°C), mPa.s: d7.0
Average particle diameter (nm): 10 – 20
shelf life: 6 months
Packaging: PVC container, 25 Kg or 250 Kg per drum

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