Silica Sol (colloidal silica) ແລະ silica slurry (Silica ການກະແຈກກະຈາຍ) ແມ່ນທັງສອງຜະລິດຕະພັນທີ່ຜະລິດຈາກຜົງຊິລິກາ. ແນວໃດກໍ່ຕາມ, ພວກເຂົາແຕກຕ່າງຍ້ອນເຕັກໂນໂລຢີແລະຈຸດປະສົງໃນການປຸງແຕ່ງຂອງພວກເຂົາ. ຂ້າງລຸ່ມນີ້ພວກເຮົາຈະວິເຄາະຄວາມແຕກຕ່າງລະຫວ່າງສອງຈາກຂະຫນາດທີ່ແຕກຕ່າງກັນ.
1. Definition Differences
| ລາຍການ | Silica Sol (colloidal silica) | Silica Slurry (Silica ການກະແຈກກະຈາຍ) |
|---|---|---|
| Core Definition | A stable dispersion system of nano-sized silica particles uniformly distributed in water, ໂດຍປົກກະຕິດ້ວຍຄວາມສະຖຽນລະພາບທາງດ້ານໄຟຟ້າ. | ການໂຈະຜົງຊິລິມະສັບທີ່ດີກະແຈກກະຈາຍໃນນ້ໍາ, forming a slurry. |
| ຂະຫນາດຂອງອະນຸພາກ | 5–100 nm (commonly 10–30 nm) | 0.5–5 μm (typically D90 ≈ 3 μm) |
| ຮູບລັກສະນະ | Transparent or slightly opalescent liquid, stable dispersion. | Milky white suspension, easily stratified, requires uniform stirring. |
| Stabilization Method | Electrostatic repulsion via OH⁻ ions or steric hindrance (physical stabilization). | Mechanical agitation + dispersant/stabilizer to prevent sedimentation and agglomeration. |
| Typical Solid Content | 20–50% | 30–50% |
| Quick Memory Tip | Silica Sol → Nano particles + Transparent aqueous solution | Silica Slurry → Micro particles + Milky white suspension |
2. Application Differences
| ອຸດສາຫະກໍາ | Silica Sol Applications | Silica Slurry Applications |
|---|---|---|
| ແຜ່ນແພ | Anti-shrinkage finishing, flame-retardant finishing, water-repellent finishing | Fabric coating, surface finishing, enhancing firmness, wear resistance, anti-slip |
| Catalysts | As a binder for catalyst carriers (main use) | None |
| ການເຄືອບ | Acid-resistant coatings, corrosion-resistant coatings | Functional filler, thickening agent |
| ມັດ | Precision casting binder, coating binder | Investment casting slurry, functional filler |
| Electronics | CMP polishing slurry | Rarely used |
| Others | Catalysts, heat-resistant materials | ວັດສະດຸກໍ່ສ້າງ, rubber composites, textile auxiliaries |
3. ຮູບລັກສະນະ & Transportation Differences
| ຄຸນນະສົມບັດ | Silica Sol | Silica Slurry |
|---|---|---|
| ຮູບລັກສະນະ | ທາດແຫຼວໂປ່ງໃສທີ່ບໍ່ມີສີ (like pure water) | Milky white suspension or slurry |
| Transportation Stability | Highly stable, long-term non-stratification | Easily stratified, requires stirring before use |
| Sensitivity to External Environment | Sensitive to pH changes, requires stability control | Sensitive to temperature, vibration, and prone to settling |
ຂໍຕົວຢ່າງທີ່ບໍ່ເສຍຄ່າຫຼືວົງຢືມ
