Food Contact Grade Anti-blocking Silica | FDA & REACH Compliant for Food Packaging Films Manufactured by Shandong Zhonglian Chemical Co., Ltd. High-purity precipitated silica manufactured in strict accordance with global food contact material standards. Features ultra-low heavy metals, minimal extractables and odorless performance. Fully certified with FDA, REACH, HALAL and KOSHER, providing a safe and compliant anti-blocking solution for food and pharmaceutical packaging films. Download Compliance Dossier · Request Food-grade Samples Product Information Shandong Zhonglian Chemical Co., Ltd. produces this food-contact grade anti-blocking silica under GMP-grade clean production management. It is specially designed for food and health-related packaging film applications, addressing the industry’s strict requirements for material safety, migration control and regulatory compliance. Starting from raw material selection, we implement multi-stage purification to strictly control heavy metals, residual impurities and volatile substances. The entire production process is carried out in a closed clean system to avoid secondary pollution, and microbial indicators are controlled at food-grade level. The finished product has no peculiar smell and will not cause odor migration to packaged food or contents. This grade complies with major global food contact regulations including U.S. FDA 21 CFR, EU REACH and (EC) No 10/2011. We can provide a complete set of compliance documentation including food contact safety test reports, heavy metal detection reports and certification certificates, to support customers’ product registration and market access in Europe, North America, Southeast Asia and other regions. Product Appearance Ultra-white amorphous powder with no odor and no visible impurities. Produced and packaged under clean conditions to meet food-grade material hygiene requirements. Product Parameters 表格 Item Specification SiO₂ Content (Ignited Basis) ≥ 97.5% Loss on Ignition (1000℃, 1h) ≤ 8.0% Moisture (As Packed, 105℃, 2h) 3.0 – 5.0% 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) 3 – 7 μm BET Surface Area 100 – 140 m²/g Whiteness (CIE L*) ≥ 97.5 Arsenic (As) ≤ 0.5 ppm Lead (Pb) ≤ 1.0 ppm Mercury (Hg) ≤ 0.1 ppm n-Hexane Extractables ≤ 0.1% Total Aerobic Plate Count ≤ 50 cfu/g Mold & Yeast ≤ 10 cfu/g Core Material High-purity amorphous precipitated hydrated silica Primary Application Food contact packaging film, pharmaceutical packaging film Product Features 1. Full Compliance with Global Food Contact Regulations Meets FDA 21 CFR, EU REACH and (EC) No 10/2011 food contact material standards, suitable for direct and indirect food packaging scenarios. 2. Ultra-low Heavy Metals & Minimal Migration Multi-stage purification process strictly controls heavy metal and impurity content, with extremely low migration risk, ensuring safety for long-term contact with various food types. 3. Odorless & Clean Production GMP-grade closed clean production avoids secondary contamination. The product is completely odorless and will not transfer off-flavors to packaged food or contents. 4. Strict Microbial Control Food-grade hygiene management throughout production and packaging, with total plate count and mold & yeast controlled to meet food packaging material requirements. 5. Complete Regulatory Documentation Package We provide full compliance documents including food contact test reports, certification certificates and regulatory declaration files to support customers’ product registration and market access. Core Advantages One-stop Food Packaging Compliance Solution Comprehensive certification and test data help customers avoid regulatory risks, simplify product declaration procedures, and speed up time-to-market for food packaging products. Premium Safety for High-end Packaging Ultra-high purity and strict hygiene control make it suitable for high-demand scenarios including infant product packaging, pharmaceutical packaging and direct food contact films. Usage & Storage Instructions 1.Recommended addition ratio: 0.1% – 0.4% in finished food packaging film; 3% – 7% when formulated into food-grade opening masterbatch. 2.Ensure processing equipment and production environment meet food-grade hygiene requirements to avoid secondary contamination. 3.Use fully sealed feeding and conveying systems during production to prevent dust pollution and moisture absorption. 4.When used for high-temperature sterilization packaging films, verify compatibility with specific sterilization processes through prior testing. 5.Storage: Store in a cool, dry, clean warehouse with original packaging sealed. Do not store together with toxic, odorous or polluting substances. Application Scenarios Food Contact BOPP / PE Packaging Film Suitable for all kinds of food packaging films including snack packaging, fresh-keeping film, heat-sealing food bags and fast food packaging. Food-grade Laminated Composite Film Used in multi-layer composite food packaging films, maintains stable anti-blocking performance and complies with food contact safety requirements. Pharmaceutical & Medical Packaging Film Meets high hygiene and safety standards, suitable for pharmaceutical blister packaging, medical device packaging and health product packaging films. Infant & Personal Care Product Packaging Ultra-low impurity and odorless performance make it ideal for infant product packaging and personal care product packaging with high safety requirements. Frequently Asked Questions Q1: Does this silica meet FDA food contact requirements? A: Yes, it complies with U.S. FDA 21 CFR regulations for food contact materials, and we can provide corresponding supporting documentation. Q2: Do you have REACH compliance for EU market? A: Yes, our food contact grade silica fully complies with EU REACH regulation and (EC) No 10/2011 food contact standards. Q3: Can you provide migration test data? A: We can provide third-party test reports for overall migration and specific heavy metal migration according to standard food contact test conditions. Q4: Is it suitable for fatty food packaging? A: With extremely low n-hexane extractables, it is suitable for contact with most food types including fatty foods. Specific applications can be verified through targeted testing. Q5: Do you have HALAL and KOSHER certifications? A: Yes, the product is certified with SHC HALAL and OU KOSHER, supporting export to Muslim and Jewish markets. Q6: Is the production environment food-grade certified? A: We implement GMP-standard production management with strict environmental hygiene control, and the production process is fully traceable. Q7: What compliance documents can you provide? A: We provide TDS, MSDS, COA, heavy metal test report, food contact safety test report and various certification documents to support your regulatory declaration.