MATERIALS, EXPLAINED
PET / AL / PA / RCPP: A Barrier Built for Retort Packaging
A four-material construction that combines a printable surface, aluminium foil, nylon support and a retort sealing layer. Explore its roles and the questions to ask before sampling.
Explore this structure
For foods that need an opaque pack and a retort-oriented laminate, each layer has a distinct job. PET / AL / PA / RCPP combines a PET outer surface, an aluminium foil barrier, nylon support and an RCPP inner sealing layer. The result is a structure to evaluate as part of a validated packaging and thermal process.
IM INNEREN DES GEBÄUDES
Verschiedene Ebenen. Ein durchdachtes Gesamtkonzept.
Lesen Sie den Aufbau von der Außenfläche bis zur inneren Dichtungsschicht ab.
Layer 1 · Outer surface
PET
PET provides a surface for printing and contributes stiffness to the finished pouch. Artwork and print coverage can be tailored to your product.
Layer 2 · Aluminium foil barrier
AL
Foil creates an opaque layer that blocks light and contributes high oxygen and moisture barrier performance when the laminate remains intact.
Layer 3 · Mechanical support
PA
The nylon layer contributes toughness and puncture resistance to support the complete laminate during filling and handling.
Layer 4 · Retort sealing layer
RCPP
Retort-grade cast polypropylene forms the inner sealing surface. Select its grade and sealing conditions for the intended thermal process.
Ein Detail, das man sich genauer ansehen sollte
Retort conditions must be confirmed for the exact finished pouch and food process. No single time-and-temperature setting applies to every laminate.
WO ES HINGEHÖRT
Entwickelt, um sich Ihrer Art zu packen anzupassen.
01
Light-sensitive products
An opaque foil construction is an option where keeping light away from the contents is part of the packaging brief.
02
Retort food formats
Consider the structure for retort-processed meals, sauces or protein products, subject to a validated product, pouch and process combination.
03
Printed presentation
The PET outer surface supports a branded pack. Confirm artwork, pouch dimensions, opening features and mandatory label information together.
DER AUSWAHLLEITFADEN
Treat the pouch and thermal process as one specification.
Describe the food, filling conditions and planned thermal process before a sample is selected. Retort suitability is not established by the RCPP name alone: film grades, adhesives, pouch geometry and seal quality all contribute. Confirm the agreed time and temperature with Miaoman, then validate filled packs under your process.

BEVOR SIE EIN MUSTER ANFORDERN
Vier Tipps für ein besseres Briefing.
- Product composition, filling temperature and target pack weight.
- Thermal process, pressure conditions and cooling sequence.
- Barrier requirements, pouch dimensions and opening features.
- Seal integrity, laminate appearance and handling after processing.
Teilen Sie den Verwendungszweck mit und bitten Sie Miaoman, die vollständige Materialspezifikation zu bestätigen. Prüfen Sie die Muster mit Ihren tatsächlichen Inhaltsstoffen und Ihrer Ausrüstung, bevor Sie einen Produktionsauftrag erteilen.
HÄUFIG GESTELLTE FRAGEN
Etwas mehr Klarheit.
Can customers see the food through this foil pouch?
No. The aluminium foil layer makes this construction opaque. If product visibility matters, compare it with a suitable clear RCPP-based laminate.
Does the structure alone establish shelf life?
No. Shelf life depends on the food, thermal process, seal integrity, storage and distribution. Establish it through the appropriate testing for the final packed product.
LASSEN SIE UNS IHRE VERPACKUNG FINDEN
Bringen Sie uns Ihr Produkt. Wir helfen Ihnen bei der Gestaltung der Verpackung.
Teilen Sie uns bitte mit, was Sie verpacken, welche Beutelgröße Sie benötigen, welche Menge Sie voraussichtlich benötigen und unter welchen Verarbeitungsbedingungen die Beutel zum Einsatz kommen. Wir können dann die Struktur, die Dicke, den Aufdruck und Muster besprechen.