How to choose the right materials for flexible packaging?
Choosing the right materials for flexible packaging depends on several factors such as the product being packaged, the desired shelf life, and the packaging requirements. Here are some general guidelines:
1. Barrier properties: Consider the barrier properties of the material to ensure it can protect the product from moisture, oxygen, light, and other external factors that can affect its quality and shelf life.
2. Compatibility: Ensure that the material is compatible with the product to avoid any chemical reactions or contamination. For example, certain foods may require packaging materials that are resistant to oils or acids.
Wanhao Package focuses on producing all kinds of flexible packaging, such as doypack, flat bottom bag, side gusset bag, flat pouch, stand up pouch, roll stock films and so on, applicated for food, snack, beverage, liquids, wine, chemical etc. packing.
Wanhao Package focuses on producing all kinds of flexible packaging, such as doypack, flat bottom bag, side gusset bag, flat pouch, stand up pouch, roll stock films and so on, applicated for food, snack, beverage, liquids, wine, chemical etc. packing.
3. Strength and durability: Choose a material that is strong enough to withstand the handling and transportation process without tearing or puncturing. This is especially important for products that are heavy or have sharp edges.
4. Printability: If you plan to print on the packaging, consider materials that have good printability and can showcase your branding and product information effectively.
5. Sustainability: Consider using eco-friendly materials that are recyclable or biodegradable to reduce the environmental impact of your packaging.
It’s always a good idea to consult with packaging experts or suppliers who can provide specific recommendations based on your product and packaging requirements.
Common materials for flexible plastic packaging:
BOPP: Biaxially-oriented polypropylene
PET:Polyethylene terephthalate, namely polyester
VMPET:Aluminum materized polyethylene teraphalate
PA:Polyamide, commonly known as Nylon
PE:Polyethylene
CPP:Cast polypropylene
According to different functions, normally, above common materials will be used for:
1. Printing layer: BOPP, PET, PA for printing
2. Inner layer:VMPET, AL, PA, PET for barrier and enhancing the stregth
3. Bottom layer: PE, CPP for sealing
For instance, we often use PET/AL/PE three-layer structures to make coffee bags, and PA/PE to make rice bags, BOPP/CPP to make biscuits sachets etc. In gerenal, what we should consider to customize plastic flexible packaging is printing, barrier, strength, sealing, display effect and so on. You can find some combinations on below table for your reference on this article.
Plastic composite packaging usually made of multi-layer laminated plastic films. Although it seems a little complex, yet, if we are familiar to the property of its raw materials, it will be easy for us to customize our own exquisite packaging. Here, some common materials for flexible plastic packaging are listed as below.
Schematic diagram
Common applications
Common applications of flexible packaging include, but not limited:
1. Food packaging: Flexible packaging is widely used for packaging various types of food products such as snacks, frozen foods, beverages, and condiments.
2. Personal care products: Flexible packaging is commonly used for packaging personal care products such as shampoo, lotion, and cosmetics.
3. Pharmaceutical packaging: Flexible packaging is used for packaging pharmaceutical products such as tablets, capsules, and ointments.
4. Household products: Flexible packaging is used for packaging household products such as cleaning agents, detergents, and air fresheners.
5. Pet food packaging: Flexible packaging is used for packaging pet food products such as dry kibble, treats, and wet food.
6. Agricultural products: Flexible packaging is used for packaging agricultural products such as seeds, fertilizers, and pesticides.
7. Industrial products: Flexible packaging is used for packaging industrial products such as chemicals, lubricants, and adhesives.
These are just a few examples, and flexible packaging is used in many other industries and applications as well.
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