ZEMSIL SL-AC
≡ Nalco 1034AAcidic Colloidal Silica Dispersion
CAS 7631-86-9
Also equivalent to: Ludox CL
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20
%
SiO₂ Content
5–15
nm
Particle Size (DLS)
2–4
pH
Clear liquid
Appearance
Specifications
| Property | Value | Unit |
|---|---|---|
| SiO₂ Content | 20 ± 1 | % |
| Particle Size (DLS) | 5–15 | nm |
| pH | 2.0–4.0 | — |
| Na₂O Content | ≤0.05 | % |
| Viscosity @ 25°C | ≤5 | mPa·s |
| Specific Gravity @ 25°C | 1.12–1.14 | — |
Applications
Precision casting binder for acid-stable ceramic shell systemsAcid-stable functional coating for glass, metal, and plastic substratesTextile anti-slip finishing and fiber surface treatmentAnti-corrosion primer additive for metal coatings
Key Features
- —Acid-stable formulation stable at pH 2–4 for use in acidic coating systems
- —Ultra-low sodium content (≤0.05% Na₂O) preventing ionic contamination of coatings
- —Compatible with acid-based resin systems where alkaline silica would cause gelation
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