BOPP is the abbreviation of Biaxially Oriented PolyPropylene. 

PolyPropylene (PP) is a thermoplastic polymer, in some context polypropene. This material is an ideal surface for printing so that we can make labels, stickers, pouche, etc by using PolyPropylene. 

BOPP is essentially polypropylene that’s stretched flat. BOPP is oriented with a system that stretches it in two directions. This is where the “biaxially-oriented (BO)” part of BOPP comes from. The three most common processes for making BOPP are the tenter frame sequential process, simultaneous tenter frame orientation, and the double bubble process. This technical document from Brueckner-Maschinenbau, one of the oldest BOPP manufacturers, explains these processes in more detail.

Common applications for polypropylene and BOPP include:

  • Packaging labels
  • Food containers
  • Plastic ropes
  • Medical-grade plastics
  • Laboratory items
  • Performance textiles

BOPP film’s qualities:

BOPP shares the properties of other PP plastics, including ruggedness, fatigue resistance, moisture resistance, very low toxicity, flexible finishing options, as well a controllable transparency (manufacturers can make BOPP clear, opaque, or any translucency in between). Also, while they make long-lasting labels and stickers and easily printable, most off-the-shelf adhesives have trouble attaching themselves to the material. These qualities are perfect for long-lasting, food-safe labels and other common BOPP film applications.

 

BOPP film can be white, metal-colored, or clear. The ability to make clear BOPP film allows the creation of transparent labels to show off the contents of clear containers. With the appropriate inks and adhesives, BOPP labels can also be waterproof. BOPP labels immersed in ice-water or subjected to high-humidity without deteriorating. Labels made from BOPP are extremely tough. The material offers exceptional resistance to fatigue compared to other common label materials and has an unusual resistance to common solvents, bases, and acids.

Datasheets of BOPP, Made in SPS COMPLEX (Click Here)

SEPEHR POLYMER SEPAHAN - the leading manufacturer of Flexible Packaging Films in the Middle East.

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