Potassium silicate in its powder form is a highly versatile and effective chemical product with a wide range of applications. This inorganic compound, composed of potassium, silicon, and oxygen, is renowned for its adhesive, binding, and protective properties. The powder form of potassium silicate is particularly advantageous for its ease of handling, storage, and transportation, making it a convenient choice for various industrial processes. It is commonly used in the manufacture of cements and concretes, where it significantly enhances the durability, hardness, and fire resistance of the final products. Additionally, potassium silicate powder plays a crucial role in the production of glass and ceramics, contributing to their structural integrity and resistance to thermal and chemical stresses. In the textile industry, it serves as a finishing agent that improves the smoothness and abrasion resistance of fabrics. Furthermore, its ability to form protective coatings makes it invaluable in waterproofing treatments for buildings and other structures. The multitude of benefits offered by potassium silicate powder in its various applications underscores its importance as a key chemical product in numerous industrial sectors.
| Specs available: |
| Modulus, n(SiO₂) / n(K₂O) |
2.32 |
2.85 |
3.3 |
| SiO₂, wt.% |
52.5 |
54.66 |
65.8 |
| K₂O, wt.% |
35.6 |
30.12 |
31.3 |
| Dissolution rate @30℃, second |
<60 |
<60 |
<60 |
| Density, g/ml |
0.5-0.8 |
0.5-0.8 |
0.5-0.8 |
| Fineness, passing rate through 120-mesh sieve% |
≥95 |
≥95 |
≥95 |
Hazard Identification
Chemical Formula: K₂SiO₃
Classification of the substance or mixture:
• Physical hazards:
Not classified as a physical hazard.
• Health hazards:
Serious Eye Damage/Eye Irritation (Category 1)
Skin Irritation (Category 2)
Specific Target Organ Toxicity - Single Exposure (Category 3 - Respiratory Irritation)
Label Elements:
• Pictograms:
• Corrosion (for eye damage/irritation and skin irritation)
• Exclamation mark (for respiratory irritation)

• Signal Word: Danger
• Hazard Statements:
• H318: Causes serious eye damage.
• H315: Causes skin irritation.
• H335: May cause respiratory irritation.
• Precautionary Statements:
• P280: Wear protective gloves/protective clothing/eye protection/face protection.
• P261: Avoid breathing dust.
• P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
• P302+P352: IF ON SKIN: Wash with plenty of soap and water.
• P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P332+P313: If skin irritation occurs: Get medical advice/attention.
Hazards Not Otherwise Classified:
• Potassium silicate powder may cause mild to moderate irritation to respiratory pathways, eyes, and skin. Inhalation of dust should be avoided, as prolonged exposure to high concentrations can irritate the lungs.
Environmental Hazards:
• This material is not classified as an environmental hazard, but care should be taken to avoid environmental contamination.
First Aid Measures
• Inhalation: Move to fresh air. If breathing is difficult, seek medical attention.
• Skin Contact: Wash affected area with plenty of water. Seek medical attention if irritation persists.
• Eye Contact: Rinse eyes immediately with water for at least 15 minutes, lifting eyelids occasionally. Seek medical attention immediately.
• Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical attention if symptoms develop.
Storage and Handling:
- Store in a cool, dry, well-ventilated area away from heat, sparks, and ignition sources.
- Keep away from incompatible materials, such as acids and flammable substances.
- Use personal protective equipment, including gloves, goggles, and respiratory protection, when handling potassium silicate.
Disposal:
- Dispose of potassium silicate according to local regulations and ensure proper waste management practices to prevent environmental contamination.
Reliable Industrial Performance from Leading Potassium Silicates SupplierXiamen Funuoxin offers high-purity potassium silicate powder, a critical member of the potassium silicates family widely used in industrial applications. This product is ideal for enhancing adhesion, structural stability, and chemical resistance in coatings, cements, and fireproofing materials.Versatility Across Industrial SectorsOur potassium silicate powder plays a vital role in construction, glass, ceramics, and refractories. It is used in mortars and insulation coatings to improve bonding strength and flame resistance. As a water-soluble form of potassium silicates, it also enables easy formulation of alkaline coatings and is commonly employed as a binder in welding rods and foundry molds.Chemical Stability and Application FlexibilityFormulated with a precise balance of SiO₂ and K₂O, this potassium silicate powder dissolves easily in water to form a stable potassium silicate solution, allowing users to tailor the concentration based on specific industrial needs. It offers excellent performance under high temperatures and corrosive conditions.Environmentally Safe and Industrially ReliableAs part of Xiamen Funuoxin’s environmentally responsible chemical portfolio, our potassium silicates are manufactured under strict safety protocols, ensuring minimal ecological impact while maximizing performance. The product is non-toxic, non-flammable, and aligns with international safety regulations.
Product Advantages
- High Purity Potassium Silicates: Ensures consistent industrial performance and chemical reliability.
- Powdered Format Flexibility: Easily reconstituted into potassium silicate solution for use in coatings, adhesives, and refractories.
- Enhanced Structural Properties: Improves fire resistance, bonding, and chemical durability in industrial materials.
- Eco-Conscious & Safe: Non-toxic potassium silicates produced in compliance with global environmental standards.
- Application Versatility: Ideal for construction, ceramics, foundry, and insulation formulations.
About Us
Xiamen Funuoxin: Innovating in Silicon Dioxide & Advanced Materials
Established in 2015, Xiamen Funuoxin Technology Co., Ltd. has become a trusted name in the field of advanced materials, specializing in the development of high-quality silicon dioxide and silicate products. Our commitment to innovation and excellence has allowed us to offer advanced solutions that enhance product performance across various industries.
Core Manufacturing Capabilities and Quality Assurance
- Advanced Material Development: We specialize in producing silicon dioxide, sodium silicate, potassium silicate, and lithium silicate, catering to diverse industrial applications.
- Rigorous Quality Control: Our dedication to innovation is complemented by a stringent quality control process, ensuring that every product meets or exceeds customer expectations.
- Customer-Centric Approach: Our team of experts provides technical support and tailored solutions to meet individual customer needs, striving to be a reliable partner in a competitive market.
Production Strength
Since our inception, we have expanded our product range and fine-tuned production processes to better meet customer needs. Our facilities are equipped to handle large-scale production, ensuring timely delivery and consistent product quality.
Sustainable Development Measures
We prioritize environmental responsibility by focusing on sustainable production practices. Our products are designed to be eco-friendly, aligning with global efforts to reduce environmental impact.
Customer Collaboration Process
- Initial Consultation: Understanding client requirements and project scope.
- Customized Solutions: Developing tailored products to meet specific needs.
- Quality Assurance: Implementing rigorous testing to ensure product standards.
- Timely Delivery: Ensuring prompt and efficient product delivery.
- Ongoing Support: Providing continuous technical assistance and customer service.
Global Service Capability
With a focus on international markets, we have established a robust global distribution network. Our products are utilized worldwide, and we are committed to providing exceptional service to our international clientele.
Partner with Xiamen Funuoxin
Discover how our advanced materials can elevate your products. Contact us today to learn more about our offerings and how we can collaborate to achieve your goals.

FAQ
Who are we?
Xiamen Funuoxin Technology Co., Ltd. is a manufacturer specializing in the development of high-quality silicon dioxide and silicate materials, serving various industries with innovative solutions.
How can we guarantee quality?
Our rigorous quality control processes ensure that every product meets or exceeds industry standards, providing consistent and reliable performance.
What can you buy from us?
We offer a range of products, including silicon dioxide, sodium silicate, potassium silicate, and lithium silicate, tailored to meet diverse industrial needs.
Why should you buy from us, not from other suppliers?
Our commitment to innovation, quality assurance, and customer satisfaction sets us apart, making us a reliable partner for your material needs.
What services can we provide?
We provide technical support, customized solutions, and comprehensive customer service to ensure your success in a competitive market.
Elevate your industrial applications with Xiamen Funuoxin's premium Potassium Silicate Powder. Contact us today to discuss your specific requirements and discover how our products can enhance your offerings.