Custom Vacuum High Temperature Corn Retort Pouch
| Materials | : NY/RCPP |
| Process | : multi-layer composite |
| Thickness Range | : Customized |
| Width Range | : Customized |
| Color | : Up to 9 colors |
| Shape | : 3 sides sealing |
| Appearance | : High Transparency |
Description
Product Overview
Corn Clear Retort Vacuum Bags are two‑layer composite food pouches specially developed for sweet corn, waxy corn and grain food industrial retort sterilization.
This Corn Clear Retort Vacuum Bags adopts NY(Nylon) outer layer and retort‑grade RCPP inner sealing layer. Nylon brings excellent puncture resistance against hard corn kernels. RCPP maintains stable heat‑seal performance under 121℃ high‑pressure steam environment.
The fully transparent feature lets buyers directly check corn color and grain condition inside bags, ideal for retail ready‑to‑eat corn products.
Material Structure Breakdown
- NY Nylon outer layer: High tear and puncture resistance, prevents piercing from hard corn kernels during vacuum sealing and transportation.
- RCPP retort‑grade cast polypropylene inner layer: Special heat‑resistant sealant material, avoid delamination or seal rupture after long‑time autoclave sterilization.
Important Note: This Corn Clear Retort Vacuum Bags has no aluminium foil layer, it cannot block ultraviolet light. Finished corn packages should avoid long‑term direct sunlight to slow quality deterioration.
Core Technical Parameters
| Testing Item | Standard Parameter |
|---|---|
|
Material Structure |
NY / RCPP two‑layer lamination |
|
Max Retort Temperature |
121℃, 30‑45 min autoclave sterilization |
|
Total Film Thickness |
90μm‑120μm |
|
Oxygen Transmission Rate |
15‑30 cm³/(㎡·24h·atm) |
|
Water Vapor Transmission Rate (WVTR) |
3‑6 g/(㎡·24h) |
|
Custom Size Range |
Width 70‑480mm, Length 100‑750mm |
|
Heat Seal Temperature Range |
175‑210℃ |
|
Printing Option |
Up to 9‑color gravure printing |
|
Storage Suggestion |
Room‑temperature storage, keep away from direct sunlight |
Core Product Advantages
- Visual retail effect: Our Corn Clear Retort Vacuum Bags provide full transparency, end customers can observe corn grain status directly, improving retail conversion.
- Kernel‑resistant puncture performance: Nylon outer layer resists puncture from hard corn kernels, lower bag damage rate during production and logistics.
- Stable retort performance: RCPP inner layer resists high‑pressure steam, no delamination or seal burst after corn sterilization.
- Flexible customization: Multiple thickness, dimension and printing solutions to match corn processing factory production lines.
Application Scenarios
Usage Reminders
- This pouch is designed for industrial 121℃ high‑pressure retort kettle. Household boiling cannot achieve commercial sterilization effect for corn.
- Keep finished corn products away from direct sunlight, light will accelerate corn discoloration and oxidation.
- If you need shelf‑life over 12 months, choose PET/AL/PA/RCPP aluminium foil retort bags for superior barrier property.
- Adjust heat‑seal parameters according to your vacuum packing machine to prevent false sealing.
Frequently Asked Questions
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Food-Grade Raw Materials
In an era where food safety is highly valued, packaging safety is equally important. Our company recognizes this and is committed to producing high‑quality flexible packaging pouches. All our pouches are made from food‑grade materials that have passed strict screening and multiple inspections, meeting or exceeding national and international food‑contact standards. We never use recycled materials and strictly follow food production requirements without compromise. Choosing our flexible packaging means choosing safety and reliability. Whether for snacks, fresh produce, or beverages, our pouches provide a secure protective barrier, giving your consumers peace of mind and helping you grow your business with confidence.
Process Reference
Packaging bag performance varies significantly by raw material—BOPP delivers excellent tensile strength and transparency, PET provides superior moisture and oxygen barrier properties, PE excels in flexibility and impact resistance, and composites integrate multi-substrate advantages for specialized demands. Backed by advanced production lines and a professional R&D team, we deliver tailored packaging, with flexible adjustments to dimensions, thickness, structural designs (single-layer, multi-layer composite, zipper-sealed) and functional upgrades (puncture resistance, UV protection, heat-sealability). Our state-of-the-art printing equipment supports high-precision 10-color printing with food-grade, eco-friendly inks meeting international standards, ensuring vivid colors, sharp patterns and consistent quality to satisfy diverse needs from brand logos and product details to
Company Advantages
58fully automatic bag-making machines
5×10-Color High-Speed Printing Machines
Eight large-scale film-forming devices
Customizable
Flexible Packaging Bags FAQ：
- Bag type (stand up pouch, flat bag, zipper bag, three-side sealed bag, etc.)
- Bag size and thickness
- Order quantity
- Surface finish (glossy, matte, metallic, paper texture, etc.)
- Printing artwork or color requirements
- Any special functional requirements (food grade, waterproof, moisture-proof, etc.)
- Digital printing small batch orders: 5–7 working days
- Standard formal bulk orders: 15–20 working days
- Express door-to-door delivery
- Sea freight
- Air freight
- Railway transport
- Delivery to your designated Chinese warehouse or agent
- Bank wire transfer (T/T)
- Credit card payment
- PayPal, Alipay and other third-party payment platforms
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