Shandong Peak-tech New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of colloidal silica ph 9 in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to buy durable colloidal silica ph 9 for sale here from our factory.
Colloidal Silica pH 9 Grade Comparison
| Model | Grade Direction | SiO₂ Content | Particle Size | Published pH Range | Published Qualifier | Shelf Life |
|---|---|---|---|---|---|---|
| P3010 | Potassium stabilized | 30±1% | 10–20 nm | 9–10 | K₂O ≤0.3% | ≥12 months |
| LA3010A | Low sodium | 30±1% | 10–20 nm | 8–10 | Na₂O ≤0.01% | ≥12 months |
| AM3010 | Ammonium stabilized | 30±1% | 10–15 nm | 8–10 | Na₂O ≤0.1% | ≥12 months |
| AM4010 | Ammonium stabilized | 40±1% | 10–15 nm | 8–10 | Na₂O ≤0.1% | ≥12 months |
| HP3010 | High purity | 30±1% | 10–20 nm | 7–9 | Metal ions <50 ppm | ≥12 months |
| CC50X | Ceramic coating | 30±1% | Confirm by inquiry | 9–10 | Density 1.19–1.21 g/cm³ | ≥12 months |
| CC100X | Ceramic coating | 40±1% | Confirm by inquiry | 9–10 | Density 1.28–1.30 g/cm³ | ≥12 months |
"pH 9" identifies a target operating point, not one universal specification. The listed grades include pH 9 within their published ranges, but their stabilizer, concentration, particle size and impurity limits differ.
Specify More Than the pH Value
Confirm the Acceptance Window
State whether the requirement is exactly pH 9, a nominal target, or an acceptable range such as 8–10 or 9–10.
Select the Counter-Ion
Choose potassium, low-sodium, ammonium or another compatible stabilization direction.
Define the Solids Content
Representative pH 9-compatible grades are available at different silica concentrations and cannot be selected by pH alone.
Set the Critical Qualifier
Specify alkali limits, total metals, density, application grade and any required analytical method.
Information Needed for a pH 9 Grade Recommendation
Provide the complete liquid specification so a pH-compatible grade can be selected without overlooking concentration, particle size or counter-ion chemistry.
- pH requirement: state the nominal value, tolerance and measurement temperature.
- Stabilization: specify potassium, low-sodium, ammonium or another required chemistry.
- Silica content: provide the required SiO₂ concentration and tolerance.
- Particle size: provide the target range and measurement method.
- Purity: define Na₂O, K₂O, total-metal or element-specific limits.
- Order details: include application, trial quantity, annual demand, packaging and destination country.
Request a pH 9 Colloidal Silica Sample and Quote
Send the required pH tolerance, stabilizer, SiO₂ content, particle size, impurity limits and purchasing quantity.
Request a Grade RecommendationProtect Product Stability During Storage
Packaging Options
Available polyethylene packaging sizes are 25 kg, 250 kg and 1000 kg.
Storage Temperature
Store at 0–40°C and protect from freezing. Temperatures below 0°C can cause irreversible gelation.
Direct Sunlight
Avoid prolonged exposure to direct sunlight during storage and transportation.
Container Closure
Keep containers closed to limit water evaporation and precipitation of solid silica particles.
Colloidal Silica pH 9 Purchasing Questions
Does colloidal silica pH 9 mean an exact value of 9.00?
Not necessarily. pH 9 may be a nominal target within a published range. Confirm the required tolerance and test temperature.
Which published grade ranges include pH 9?
Representative published ranges include 7–9, 8–10 and 9–10, depending on the grade family.
Are all pH 9-compatible grades interchangeable?
No. Stabilization chemistry, silica content, particle size, purity limits and intended use can differ substantially.
What should be included in an inquiry?
Provide the pH tolerance, SiO₂ content, particle size, stabilizer, impurity limits, application and required quantity.
How should pH 9 colloidal silica be stored?
Store it at 0–40°C, prevent freezing and direct sunlight, and keep the container closed.
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Applications of Colloidal Silica pH 9
Grades whose published range includes pH 9 can serve different formulation roles. Final suitability depends on the stabilizer, silica concentration, particle size and impurity profile.
Industrial Coatings
Compatible pH 9 grades can be evaluated as inorganic silica components in coating systems.
Ceramic Coatings
Application-oriented grades can be selected by solids content, density and required coating performance.
Inorganic Binder Systems
Suitable grades may be tested in mineral, ceramic and refractory binder formulations.
Catalyst and Carrier Processes
Controlled-alkali or low-sodium grades can be qualified where ion content affects processing.
Electronic and Precision Materials
High-purity grades may be evaluated when total metals and individual elemental limits are controlled.
Custom Formulation Development
Supports projects requiring a defined pH target together with selected concentration, counter-ion and particle size.


