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Modern Vacuum Packaging Machines are typically equipped with advanced automated control systems and precision mechanical designs, enabling functions like automatic feeding, vacuum pumping, sealing, and cutting. This not only enhances the production efficiency of prepared meats but also reduces contamination risks from manual handling, ensuring product hygiene and quality.
Vacuum packaging is a key technology for meat preservation, but currently faces three core problems:
Unstable Seal Integrity: Improper material selection or deviations in process parameters cause micro-leaks, leading to meat oxidation and spoilage, with loss rates reaching 5%-8%.
Efficiency-Cost Conflict: Semi-automatic equipment has a capacity of only 800-1200 units/hour, while fully automatic equipment requires high investment, making it difficult for SMEs to afford.
High Cold Chain Damage Rate: Insufficient packaging impact resistance leads to frequent breakage during logistics, causing secondary contamination and a crisis in brand trust.
Establish a compatibility system based on meat characteristics:
Chilled Meat: Select high-barrier PA/PE composite films (Oxygen Transmission Rate ≤5 cm³/(m²·24h·0.1MPa), Heat Seal Strength ≥15N/15mm). Use transparent film with easy-tear notches for display purposes.
Frozen Meat: Use PET/PA/PE low-temperature resistant films, passing -40°C flex resistance tests to withstand sharp edges and low-temperature brittleness.
Processed Meat Products: Use PA/PE/PET films for standard products. Use PET/AL/PE high-temperature resistant retort films for products requiring 121°C sterilization, where the aluminum foil layer enhances barrier properties.
Equipment Selection:
SMEs (Daily Capacity < 5 tons): Can opt for our company's independently developed SR555 continuous vacuum box-type modified atmosphere packaging machine`. This machine features high vacuum degree, stable quality, and low residual oxygen levels. Packaging speed can be increased to 1500-2000 units/hour.
Large Enterprises (Daily Capacity > 10 tons): Can opt for our company's SR-520 series modified atmosphere vacuum skin packaging machine` (3000-5000 units/hour). This machine is characterized by simple operation, excellent molding effects, and the ability to switch packaging specifications freely. It is equipped with a PLC system for real-time monitoring, facilitating control and maintenance.
Maintenance Mechanism: Daily checks of vacuum, heat seal, and transmission systems. Weekly replacement of vacuum pump oil and inspection of heat seal bars. Monthly on-site inspections by manufacturer technicians.
Structural Reinforcement: Use double-wall corrugated cardboard boxes (Bursting Strength ≥1800kPa) for long-distance transport, padded internally with 0.08mm bubble wrap / 5mm EPE foam. Add ice packs and a kraft paper isolation layer for frozen meat.
Standardized Logistics: Control temperatures in refrigerated trucks (Chilled: 0-4°C, Frozen: ≤-18°C). Leave ventilation gaps when stacking goods in warehouses. Establish a QR code traceability system to pinpoint issues.
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