Coated Silica
Coated Silica
HS Code : 28112200 | CAS NO. : 7631-86-9
Basic Information:
- Chemical Name: Coated Silica
- Formula: SiO₂
- Molecular Weight: Variable
- Appearance: White free-flowing powder
- Odour: Odorless
- Taste: Not Applicable
- Solubility: Insoluble in Water
Packing Details: • 500 gm HDPE Bottle • 1 kg HDPE Bottle• 5 kg HDPE Bag/Jar • 10 kg HDPE Bag • 25 kg HDPE woven Bag • 50 kg HDPE woven Bag
Storage & Handling
- Store in a cool, dry and well-ventilated area
- Keep containers tightly closed to prevent moisture absorption
- Protect from humidity and contamination
- Avoid excessive dust generation during handling
- Use proper ventilation and protective equipment
Safety
- May cause mild irritation to eyes and respiratory tract
- Avoid inhalation of fine dust
- Use mask, gloves and safety goggles
- Maintain good housekeeping to avoid dust accumulation
- In case of contact, rinse with water
Industry Wise Application
Paint & Coating Enhancement
- Anti-settling and Anti-sagging:Acting as a rheological agent, it increases viscosity and prevents pigment settling during storage.
- Hardness and Wear Resistance:Enhances the surface hardness, scratch resistance, and abrasion resistance of coating films.
- Matting Agent:Provides controlled gloss reduction (matting effect) in paints and inks, with the effect maximized when particle size corresponds to dry film thickness.
- Weather Resistance:Reduces UV/IR-induced discoloration and improves durability, particularly in exterior wall coatings.
Biomedical & Biological Application
- Drug Delivery Systems:Silica shells (e.g., Mesoporous Silica Nanoparticles – MSNs) are used as carriers for drug loading and delivery due to their tailorable porosity and biocompatibility.
- Bioseparation and Immobilization:Silica-coated magnetic nanoparticles (MNPs) allow for rapid magnetic extraction of biomolecules, enzymes, and DNA.
- Bioimaging/Cellular Imaging:Silica-coated Quantum Dots (QDs) provide stable fluorescence, reduced toxicity, and improved solubility for long-term cell imaging.
Energy & Oilfield Application
- Enhanced Oil Recovery (EOR):Polymer-coated silica nanoparticles are used in water-flooding to reduce the oil/water interfacial tension (IFT) and alter wettability to water-wet conditions, increasing oil recovery by up to 6%.
- Drilling Fluid Additives:Used in compositions for treating boreholes or consolidating loose sand.
Industrial & Material Engineering
- Anti-corrosion:Applied in coatings to protect steel from degradation, especially for surfaces exposed to harsh sunlight and weathering.
- Surface Modification (Self-cleaning):Used to create hydrophobic/superhydrophobic surfaces, improving water repellency for self-cleaning applications.
- Reinforcement:Acts as a filler to strengthen polymers and elastomers, serving as an alternative to carbon black in tire manufacturing.
Electronics & Functional Materials
- Conductive Fillers:Silica particles coated with tin oxide (SnO2)are used as conductive fillers for antistatic and EMI (electromagnetic interference) shielding coatings.
- Anti-reflection Layers:Silica nanoparticle coatings enhance light trapping in solar cells, improving conversion efficiency.
- Improved Stabilization:Prevents agglomeration of nanoparticles, especially in alkali atmospheres.
- Surface Functionalization:Silica shells can be readily modified with carboxyl, thiol, or amine groups for further chemical attachment.
- High Transparency:Optically transparent shells can be generated for applications requiring invisibility of the filler.
Worldwide Shipping
Door Step Delivery with care
Quality Products
Feel the Premium
Our Office Timing
Monday to Saturday : 9.30 AM to 5.30 PM | Sunday : Closed
Genuine Products
100% Satisfaction Guarantee
Keya Chem Corporation
CALL US ON
MAIL US ON
VISIT US ON
- Plot No. 86/4, Near Kishan Brother Weigh-Bridge, Phase I, Vatva GIDC, Ahmedabad, Gujarat - 382445