GBPI ZF-900 – Overall Migration & Evaporation Residue Tester (Food Contact Safety)
- Full-automatic overall migration tester for non-volatile food contact substance extraction and evaporation residue analysis
- Full testing compliance with EN 1186, FDA 21 CFR, GB 31604.8, ISO 6486, and ISO 7086
- Integrated ultra-micro analytical balance delivering weighing resolution of 0.01 mg (0.00001 g)
- Fully robotic automated workflow: reagent bath evaporation, oven drying, cooling, and constant weight determination
- Supports major food simulants: distilled water, 4% acetic acid, 10% to 95% ethanol, and non-polar isooctane
- Multi-station testing capacity with high-efficiency solvent recovery system safeguarding operator health
- Essential safety compliance workstation for food packaging films, tableware, baby bottles, and medical plastics
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The GBPI ZF-900 is an advanced, fully automated robotic overall migration tester engineered to determine total non-volatile extractables, migration residues, and solvent evaporation residues from food-contact plastic packaging, laminates, tableware, baby feeding bottles, coatings, and medical device containers. Manufactured in strict compliance with globally harmonized food safety directives—including European Standard EN 1186, United States FDA 21 CFR 175/176/177, Chinese National Standard GB 31604.8, and ISO 6486—this instrument replaces tedious, error-prone manual evaporation protocols with automated precision.
When flexible packaging materials, internal coatings, or plastic containers come into direct contact with foodstuffs, low-molecular-weight oligomers, plasticizers, slip additives, antioxidants, and solvent residues can migrate into consumable products. Regulatory authorities enforce stringent maximum overall migration limits (typically 10 mg/dm² or 60 mg/kg) to protect public health and prevent toxic contamination. Operating as an intelligent overall migration tester, the ZF-900 automates the entire analytical sequence: simulant solution dispensing, heated water-bath evaporation, high-temperature oven baking, desiccated cooling, and microbalance weighing to constant mass.
Robotic Dish Transfer & 0.01 mg Analytical Weighing
The instrument incorporates an internal multi-axis robotic gripper that transfers platinum or quartz evaporation bowls between heating zones, desiccator cavities, and an integrated high-precision analytical balance. The enclosed balance module isolates weighing pans from ambient draft turbulence, resolving minute residue masses down to 0.01 milligrams with constant weight error limits of 0.3 mg.
Closed-Loop Solvent Recovery & Operator Protection
To ensure laboratory safety when boiling hazardous volatile solvents such as isooctane or ethanol, the ZF-900 features a sealed condensation chamber with high-efficiency cold-trap solvent recovery, preventing volatile organic chemical fumes from escaping into the working laboratory environment.
Widely utilized by government customs laboratories, food contact material testing centers, flexible packaging converters, and resin manufacturers, the ZF-900 delivers certified, unattended migration compliance screening with complete digital audit trails and regulatory reporting peace of mind.
GBPI ZF-900 Overall Migration Tester – Technical Specifications
| Technical Parameter | Specification Details |
|---|---|
| Test Principle | Food Simulant Evaporation, Oven Drying & Microbalance Constant Weight (EN 1186) |
| Applicable Standards | EN 1186, FDA 21 CFR 175/176/177, GB 31604.8, GB 4806, ISO 6486-1, ISO 7086-1 |
| Analytical Balance Resolution | 0.01 mg (0.00001 g high-sensitivity internal microbalance) |
| Residue Measuring Range | 0 to 80 g (Balance total capacity: 0 to 220 g) |
| Constant Weight Decision Threshold | 0.3 mg (Programmable per standard criteria: 0.2 to 0.5 mg) |
| Water Bath Temperature Range | Ambient to 100°C (Temperature control accuracy: ±0.5°C) |
| Drying Oven Chamber Temperature | Ambient to 125°C (Temperature control accuracy: ±0.5°C) |
| Simulants Accommodated | Aqueous (Water, 4% Acetic Acid), Alcoholic (10%, 20%, 50%, 95% Ethanol), Isooctane |
| Simultaneous Testing Stations | Multi-Station Design (Configurable from 6 up to 18 test positions) |
| Solvent Recovery System | Integrated Cold-Trap Vapor Condenser with Sealed Effluent Drain |
| Overall Instrument Dimensions | 1150 mm (L) × 720 mm (W) × 850 mm (H) |
| Total Instrument Net Weight | Approximately 110 kg |
| Electrical Supply Requirements | AC 220V ± 10%, 50 Hz / 60 Hz Single Phase |
Key Performance Features of the GBPI ZF-900
- Fully Automated Robotic Operation: Robotic handling arm carries evaporation dishes through dispensing, bath heating, oven desiccation, and balance placement without manual touch.
- Integrated 0.01 mg Microbalance: Enclosed high-precision analytical balance eliminates human transfer errors, tracking constant weight mass differences with 10-microgram sensitivity.
- Multi-Simulant Solvent Compatibility: Fully compatible with acidic, alcoholic, and non-polar hydrocarbon food simulants (acetic acid, ethanol grades, isooctane, and distilled water).
- Closed Cold-Trap Solvent Recovery: Protects laboratory operators and the environment by condensing boiled organic vapors into a dedicated collection flask.
- Automated Constant Weight Convergence: Automatically re-cycles dishes between oven baking and balance weighing until successive weighings agree within 0.3 mg.
- Digital Audit Trails & LIMS Connectivity: Advanced Windows software logs dish tare weights, gross residue weights, migration limits per dm², and generates tamper-proof PDF reports.
Standard Package & Accessories
| Item | Description | Quantity | Type |
|---|---|---|---|
| 1 | ZF-900 Full-Automatic Overall Migration Tester Mainframe | 1 Set | Standard |
| 2 | Internal High-Precision Microbalance Module (0.01 mg Resolution) | 1 Set | Standard |
| 3 | Standard High-Purity Platinum / Quartz Evaporation Bowls | 18 Pcs | Standard |
| 4 | Solvent Cold-Trap Condenser and Recovery Flask Assembly | 1 Set | Standard |
| 5 | Precision Certified Standard Mass Calibration Weight (E2 Class) | 1 Pc | Standard |
| 6 | Professional Migration Analysis PC Software and Data Cable | 1 Set | Standard |
| 7 | Factory Calibration Verification Certificate and Operation Guide | 1 Set | Standard |
Primary Testing Applications
Food Contact Flexible Packaging
Overall migration screening of PE, PP, PET, and PA multilayer laminated pouches, barrier films, and vacuum snack bags per EN 1186 and FDA 21 CFR.
Baby Bottles, Tableware & Utensils
Extractable chemical migration testing for baby nursing bottles, silicone teats, melamine tableware, and single-use disposable plastic cutlery.
Can Coatings & Internal Liners
Determination of non-volatile residue leaching from epoxy phenolic lacquers, polyester coatings, and internal enamel linings of metal beverage cans.
Medical Packaging & Drug Delivery
Extractables and leachables (E&L) verification for pharmaceutical plastic containers, infusion bags, rubber stoppers, and medical tubing.