1. What packaging material structure should I need for my product?
And what shelf life it affords?
Answer: Just enquire us with information: what kind of contents it is; its
volume; filling, sterilizing and storage conditions, then we shall
propose the appropriate and economical solution to meet your shelf
life request.
2. What types of bags?
Answer: Bottom-gusseted bag, with or without zipper 3sides sealed bag, with
or without punch hole center-seal bag, with or without tear nick
stand-up pouch with or without zip Quad-sealed bag, with or without
air valve and so on.
3. What is laminated material?
Answer:A material which is composed of multiple layers of different
material which are joined together to form a single sheet. The
component layer are bonded suing adhesives. The objective of
combining different material together is to create a new material
with a combination of properties not available from any single
material.
4. What is “metallised” film?
Answer:Metallised film is a plastic which has a thin coat of metal applied
to it. Generally aluminum is used. The most common way of producing
metallised film is known as vacuum metallisation.
Metallsation is achieved by heating aluminum wire until it
literally evaporates and coats the plastic film. Plastic films
commonly used are OPP,CPP and PET.
The aluminum-coated film has shiny decorative surface effect.
Additionally metallised film has added barrier properties and in a
laminate structure can signficantly enhance both gas and moisture
protection. Metallised film is often seen in applications such
snack pouches coffee packs and candy wrappers.
5. PET or OPP printed layer?
Advantages of PET
-Greater strength resulting in better control for repeat length and
slitting size.
-Higher heat resistance (~250°C)making it the preferred choice for
fast speed packing machines (OPP can only withstand up to 180°C)
Disadvantages of PET
-Higher cost in comparison to OPP
