ZLSIL-A48 High-Purity Food Grade Silicon Dioxide (E551)
Product Overview
ZLSIL-A48 is a premium high-purity food-grade silicon dioxide (anti-caking agent, international code E551) developed by Zhongqi (Shandong) Silicon Materials Co., Ltd. Using precision precipitated process technology, this product is specifically engineered for food applications requiring exceptional ingredient purity, providing a high-stability, high-purity domestic solution for demanding anti-caking and flow aid needs.
Manufactured in strict compliance with GB 2760 and GB 25576-2020 national standards, as well as FDA international requirements, ZLSIL-A48 features a minimum 97% silicon dioxide content. It delivers dual anti-caking and mild flow enhancement performance with ultra-low impurity levels, making it ideal for high-purity food applications where ingredient integrity is critical.
Core Functions & Applications
Key Functions
1. Superior Anti-Caking Performance: Prevents moisture-induced caking in high-purity food powders during storage and transportation through advanced microstructural engineering, ensuring consistent product quality and extending shelf life.
2. Optimized Flow Characteristics: Reduces inter-particle friction to improve powder flowability, enabling precise metering in automated filling processes, increasing production efficiency, and minimizing product waste.
3. Exceptional Stability & Safety: With its high-purity single-component formulation and minimal impurities, this product does not react with proteins, carbohydrates, fats, or other nutritional components in food. It does not interfere with ingredient testing and remains safe and stable when used within regulatory limits.
Primary Application Areas
Ideal for powdered food products requiring strict ingredient purity control, including:
• High-Protein Foods: Whey protein powder, plant and animal protein powders, and nutritional supplements
• Premium Seasonings: High-end compound seasonings and spice extract powders
• Functional Foods: Meal replacement powders, dietary supplements, and functional solid beverages
• Other Categories: Premium baking ingredients and food nutritional fortifiers with rigorous testing requirements
Product Advantages
1. Tailored for High-Purity Applications: Developed specifically to meet the demanding technical requirements of high-purity food processing, ZLSIL-A48's performance metrics and powder characteristics align with global high-purity application standards, ensuring seamless integration into existing production systems. Free sample testing is available to verify compatibility, with flexible adaptation options to optimize supply chain efficiency.
2. Unmatched Purity & Stability: With a minimum 97% silicon dioxide content and impurity levels far below national regulatory limits, this product exhibits exceptional chemical stability. It is resistant to acids, alkalis, and high temperatures, making it compatible with complex food processing techniques without compromising product quality or test results.
3. Rigorous Quality Control for Batch Consistency: Our dedicated purification production line, equipped with advanced component analysis and laser particle size analysis equipment, conducts specialized purity and stability testing for every batch. This multi-stage inspection process ensures minimal batch-to-batch variations and consistent compliance with high-purity food-grade standards.
4. Comprehensive Technical Support: Our experienced food application team provides customized dosage recommendations based on your high-purity product category and production process, assists with formulation optimization, and offers ongoing technical support to ensure successful product implementation.
Manufacturing & Quality Assurance
ZLSIL-A48 is produced by Zhongqi (Shandong) Silicon Materials Co., Ltd., a national high-tech enterprise with over 20 years of experience in silicon material research and manufacturing. Our high-purity production system includes:
• A 10,000-ton intelligent precipitated silicon dioxide production line with a dedicated purification section, enabling continuous large-scale production of high-purity products with standard delivery within 5–10 days
• A comprehensive quality management system with specialized testing for purity and impurity levels throughout the production process
• ISO 22000:2018 and ISO 9001:2015 certifications, with production processes following GMP guidelines to ensure product safety and purity consistency
Packaging, Storage & Logistics
• Standard Packaging: Available in 10kg/15kg/20kg food-grade PE inner bags with double moisture-proof and anti-contamination design, fully compliant with food contact material standards to protect product purity during storage. Custom packaging is available upon request.
• Storage & Transportation: Store in a cool, dry, well-ventilated area away from high temperatures, moisture, volatile substances, and corrosive materials. Classified as non-hazardous, this product supports all conventional transportation methods and maintains a 24-month shelf life under proper conditions.
• Labeling: All packages include complete legal information such as high-purity food additive name, product model, purity specification, maximum dosage, production license number, and traceability details to meet regulatory requirements.
Certifications
• ISO 22000:2018 Food Safety Management System
• ISO 9001:2015 Quality Management System
• FDA Food Contact Material Certification
• SHC HALAL Certification
• OU KOSHER Certification
• China Food Additive Production License
• National High-Tech Enterprise Certification
Frequently Asked Questions
Q: Will ZLSIL-A48 interfere with my food product's nutritional testing results?
A: No. This product consists of high-purity silicon dioxide with extremely low impurity levels. When used within regulatory limits, it does not affect the detection of proteins, vitamins, minerals, or other nutritional components. We provide comprehensive component analysis reports to support your quality control requirements.
Q: How do I determine the correct dosage for my high-purity food product?
A: First, strictly follow the maximum dosage limits specified in GB 2760 for your food category. Within these limits, adjust dosage based on your product's powder characteristics, production process, and storage conditions. Our technical team offers personalized dosage recommendations and application support.
Q: Is ZLSIL-A48 suitable for high-purity food anti-caking and flow aid applications?
A: Yes. This product is specifically engineered to meet the rigorous requirements of high-purity food processing, compatible with all common high-purity powder applications and production techniques. We provide free samples for independent testing, with full technical support for adaptation and optimization.









