Premium Anti-Fog & Anti-Mold Fresh Keeping Bags for Grape and Berry Packaging
Our Anti-Fog Anti-Mold Fresh Keeping Bags are engineered specifically for the high-value, perishable nature of fresh grapes, strawberries, blueberries, and other berry varieties. Powered by advanced surface modification technology, these bags permanently prevent condensation (fogging) from obscuring product visibility under cold-chain conditions.
Furthermore, integrated food-safe anti-mold agents and modified atmosphere permeability actively inhibit the growth of Botrytis cinerea (gray mold) and Penicillium decay, significantly lower spoilage rates, and extend the shelf life of delicate produce during transit and display.
Key Technical Advantages
- ? Permanent Cold-Chain Anti-Fog: Rapidly converts mist and condensation into a micro-thin water film, maintaining 100% optical clarity at refrigerated temperatures ($2^\circ\text{C} – 8^\circ\text{C}$) to showcase fruit freshness.
- ?️ Active Anti-Mold Protection: Embedded anti-microbial technology permanently inhibits mold spore germination and fungal growth, slowing down berry decay and within the bag.
- ?️ Modified Atmosphere Permeability (MAP): Controls oxygen, carbon dioxide, and ethylene gas exchange rates to balance internal humidity, preventing water accumulation that leads to fruit split and fungal onset.
- ⚡ Superior Light Transmittance & Gloss: High-clarity polyolefin material provides optical-grade transmittance to enhance the natural color and impulse-buy appeal of fresh berries.
- ? 100% Food Safe & Odorless: Compliant with global food-contact safety standards (FDA, EU, REACH), ensuring zero flavor transfer to the delicate fruits.
Technical Specifications
| Parameter | Specification / Performance |
|---|---|
| Material Composition | LDPE / LLDPE with Active Anti-Fog & Anti-Mold Masterbatch |
| Bag Types | Perforated Bags on Roll, Gusseted Bags, Wicketed Bags, Stand-up Pouches |
| Thickness Range | 12 µm – 30 µm (Customizable) |
| Light Transmittance | $\ge 93\%$ (Haze $\le 1.8\%$) |
| Anti-Fog Grade | Grade 1 (Standard Compliant Cold & Hot Anti-Fog) |
| Breathability | Micro-Perforation patterns available for high-respiring berries |
| Certifications & Compliance | FDA 21 CFR Compliant, EU 10/2011, ISO 22000 Food Safety, RoHS, REACH |
Primary Packaging Applications
- Fresh Grapes: Table grapes, seedless varieties, Concord grapes.
- Fresh Berries: Strawberries, Blueberries, Raspberries, Blackberries, Cranberries.
- Delicate Produce: Cherries, Fig Packaging, Mixed Fruit Bowls.
Why Partner With Us?
- ? Factory Direct Customization: Fully tailormade bag sizes, thickness, gussets, handle options, and custom multi-color gravure printing to boost your brand.
- ? R&D Led Quality Assurance: Rigid in-house anti-fog durability, tensile strength, and migration safety testing ensuring consistent cold-chain performance.
- ? Reliable Export Logistics: Fast turnaround times and free sample bags available for machinery testing and trail runs.








