Toothpaste Grade Abrasive Silica | High-Efficiency Stain Removal for Whitening Formulations High-purity precipitated silica engineered for whitening and deep-cleaning toothpaste, with optimized particle size and controlled abrasion profile. Certified by USP/NF and ISO 22000, fully compliant with global oral care safety standards. Ideal for premium whitening toothpaste brands and manufacturers. Product Information Zhongqi Shandong Silicon Material Co., Ltd. is a China-based professional manufacturer of functional toothpaste grade silica. Our high-abrasion whitening grade silica is specially designed for stain removal and enamel polishing, delivering superior cleaning performance while maintaining acceptable enamel wear levels. Every batch is produced under strict GMP management, with full traceability from raw material to finished product. We provide complete technical documentation including TDS, MSDS, COA and method validation reports, supporting customers' formula development and regulatory declaration. Our whitening grade silica is widely adopted by whitening toothpaste formulations across Europe, North America and Southeast Asia. We offer flexible particle size customization and bulk supply capacity, serving both large multinational brands and regional premium oral care companies. Toothpaste Grade Abrasive Silica Parameters Item Specification SiO₂ Content (Ignited Basis) ≥ 97.5% Loss on Ignition (1000℃, 1h) ≤ 8.0% Moisture (As Packed, 105℃, 2h) 3.0 – 5.5% pH (5% Water Suspension) 6.5 – 7.3 Bulk Density 0.20 – 0.28 g/cm³ DBP Oil Absorption 80 – 120 cm³/100g Median Particle Size (D50) 10 – 15 μm BET Surface Area 100 – 140 m²/g Whiteness (CIE L*) ≥ 97.5 RDA Value 120 – 150 Heavy Metal Limits Arsenic ≤1ppm, Lead ≤2ppm, Mercury ≤0.5ppm Total Aerobic Plate Count ≤ 50 cfu/g Core Material Amorphous precipitated hydrated silica Primary Application Whitening toothpaste abrasive, enamel polishing agent Export Certification USP/NF, ISO 22000, GMP, HALAL, KOSHER Standard Packaging 10/15/20kg export-standard waterproof kraft paper bag Trade Terms FOB Qingdao / CIF destination port / DDP Qualifications and Honors •USP/NF Silicon Dioxide Monograph Compliance •ISO 22000:2018 Food Safety Management System •GMP Certified for Cosmetic Raw Materials •ISO 9001:2015 Quality Management System •SHC HALAL Certification •OU KOSHER Certification •FDA Food Contact Material Approval •8 Patents for Abrasive Silica Production Technology •National High-Tech Enterprise of China •Oral Care Raw Material Supplier Certification Product Features Optimized Abrasion Profile Engineered with narrow particle size distribution and controlled particle morphology, delivering efficient extrinsic stain removal without excessive enamel wear, balancing cleaning power and dental safety. High Whiteness & Brightness Ultra-high whiteness (L*≥97.5) and low impurity content, enhancing the visual appearance of white toothpaste and supporting optical brightening effects in whitening formulations. Fluoride Compatible Chemically inert under neutral formulation conditions, excellent compatibility with sodium fluoride, sodium monofluorophosphate and other active ingredients, maintaining stable fluoride availability over shelf life. Consistent Batch-to-Batch Quality Strict online particle size monitoring and quality control, ensuring consistent RDA value and cleaning performance across batches, reducing formulation adjustment for manufacturers. Product Advantages & Usage Instructions Core Advantages •Professional whitening grade, delivering industry-leading stain removal efficiency •Strict heavy metal and microbial control, meeting premium oral care safety requirements •Customizable particle size and RDA value for different whitening strength formulations •Complete technical data package supporting customer formula validation •Stable bulk supply capacity for large-scale whitening toothpaste production Usage Instructions 1.Recommended addition ratio is 18% – 25% in whitening toothpaste formulas, adjust based on target RDA and cleaning performance. 2.Can be used alone or blended with low-abrasion silica to fine-tune abrasion and mouthfeel. 3.Add during the dry powder blending stage, mix thoroughly with humectants before adding liquid components. 4.For optimal stain removal performance, ensure uniform dispersion and avoid particle agglomeration in the paste. 5.Store in sealed packaging in a dry environment to prevent moisture absorption and particle agglomeration. Application Scenarios Premium Whitening Toothpaste Brands Designed for high-end whitening toothpaste lines, delivering visible stain removal and polishing effects for smokers' toothpaste, coffee stain removal and professional whitening products. Daily Deep-Cleaning Toothpaste Lines Suitable for mainstream daily cleaning toothpastes requiring enhanced plaque removal and surface polishing, supporting both mint and multi-flavor formulations. Professional Dental Care Products Compatible with professional dental polishing pastes and at-home whitening systems, meeting dental industry safety and performance standards. Oral Care Brand OEM/ODM Manufacturing Ideal for contract manufacturers serving multiple brand clients, with stable quality and full certification supporting diverse product SKUs.