Advantages Of Spout Bags in Liquid Packaging

Spouted pouches, a innovative format of liquid packaging, are rapidly replacing traditional packaging (such as glass bottles, PET bottles and Tetra Pak) in beverages, dairy products, condiments and everyday products due to their convenience, practicality and environmental friendliness. Here's a look at the core advantages of liquid packaging and how it works:

1. Core Advantages
1.Portability and user experience
One-handed operation: The nozzle is designed to be tilted or inverted, with precise flow control without tools, and is suitable for sports, outdoor activities and car use.
For example, a sports drink brand uses a spray can so consumers can drink their drinks without spilling them while exercising.
Lightweight: Spray pouches are 60 to 80 per cent lighter (100 to 200g) than glass bottles of the same volume (about 300 to500g), reducing shipping costs and reducing the burden on consumers.

2. Leak-proof design: The nozzle has a built-in silicone valve or split-type cover and is tightly sealed to prevent side leakage or backflow, especially suitable for children's food packaging. Freshness Preservation and Functionality
High barrier material:
Structure Examples: PET (polyester)/AL (aluminum foil)/PE (polyethylene) or NY (nylon)/EVOH (ethylene vinyl alcohol copolymer)/PE.
Performance: Oxygen transmission rate ≤ 0.5cc/ (m2·24h·atm), moisture transmission rate ≤ 2g/ (m2·24h), effectively extending the shelf life of perishable liquids such as juice, milk (up to 12-18 months).
Light protection: Aluminum foil or aluminized coating blocks UV rays and prevent the degradation of vitamins, pigments and other ingredients in liquids. Suitable for beverages (such as beer, cold soup, etc.) that require to be stored away from light.
Heat resistance: Some vent pouches are made from retortable materials (such as NY/CPP) and can be sterilized at 121°C, making them suitable for hot filling applications such as condiments and baby food.