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Printable Anti-fog POF Cross-linking Film--Highly Transparent and Anti-condensation, Smart Printing and Freshness Locking, Specially Designed Solution for Fresh Food Visualization Packaging

The industry's deep-seated pain point: the paradox of high-transmission film and tear resistance

‘We need both refrigerated visibility and high pressure transport resistance, but why do traditional solutions always lose out?’

Traditional anti-fog films are caught in a technological dilemma:

① Adding anti-fogging agent = sacrificing strength: silicone coating makes the film tensile strength plummet by 40%;

② enhance the toughness = accelerate fogging: PE substrate low temperature modification of light transmission rate fell by 55%.

POF anti-fog crosslinking film technology wing analysis

Technology Wing 1: Electron beam crosslinking - reconstructing molecular logic

☛ High pressure electron beam radiation process

 three-dimensional crosslinking network: PP molecular chain free radical reorganisation, the formation of anti-puncture ‘spider web structure’.

▶ Tensile strength of 35MPa (ordinary anti-fog film ≤ 28MPa)

▶ -50℃ drop 100 times with zero breakage (ISTA 3A standard verification)

▶ Bi-directional shrinkage leap: both horizontal/vertical shrinkage >75%

▶ Shaped fresh food (e.g., mango, lobster) wrapping fit increased by 60%

▶ Compression resistance test: load-bearing 20kg without bottoming out (far from the supermarket standard 8kg requirement)

Technology Wing 2: Nanoscale Anti-fog System - Cracking the Condensation Equatio

⦿ Dual-mode anti-fog system (jointly developed by research institutes)

Physical adsorption layer: sprayed polymer and silicon composite coating, specific surface area > 800m²/g

▶ Condensate adsorption up to 200% of self-weight, -4℃ anti-fog time limit extended to 6 months

Upgraded abrasion resistance: light transmission decreases by only 2.8% after 10,000 rubs.

▶ Writable and erasable with oil-based pen, suitable for the repeated pasting of fresh food labels.

Cross-linking process performance comparison table

Indicator Non-cross-linked anti-fog film POF anti-fog cross-linked film

Proof of Value: From the lab to the commercial end of the qualitative change effect

Scenario 1: Cross-border cold chain shipping (tuna ultra-low temperature packaging)

 Transport conditions: -60℃ liquid nitrogen environment, shipping vibration level 8

 Use effect:

➤ No brittle cracks in the membrane body, 100% one-time pass rate of scanning and inspection;

➤ Loss cost reduced from 38,000 yuan/cabinet to 0.4 million yuan.

Scenario 2: microwave ready-to-eat prepared dishes

 Technical breakthrough: 135℃ high temperature resistance + anti-oil condensation

 Enterprise real test:

➤ Oil stain heat sealing strength maintains >14N/15mm (national standard minimum value of 5N);

➤ Ease of uncovering assessment score of 9.1 (out of 10) after reheating.

Scenario 3: High-end fruit lock freshness

 shelf empirical evidence:

➤ Sunny Rose grapes no condensation in the film after 21 days of refrigeration;

➤ 27% increase in terminal premium rate and 72% decrease in return rate.

Two-way technical barriers: why is it difficult to replicate the traditional process?

① Million-grade electron accelerator: the radiation dose is accurate to ±5%, overcoming the problem of uneven crosslinking depth;

② anti-fog - heat sealing synergistic process: unique anti-fog heat sealing synergistic process, breaking through the delamination and delamination industry bottlenecks;

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