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Production of rigid films for thermoforming (BOPS, PET), OPS shrink film, plastic packaging
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BOPS film

Application area

BOPS film is used for the production of various types of packaging: salad bowls, containers with opening lids, "cake bowls", trays for vegetables and fruits, correxes by thermoforming.

The density of the BOPS film is 1.05 g/cm3, which is significantly lower than PVC (1.37-1.42 g/cm3) and PET (1.32-1.36 g/cm3). As a result, the cost of the final product made of BOPS film is lower.

Compared to other molding materials, BOPS film has the highest transparency and gloss.

 

Field of application: production of containers, packaging for cakes, trays for fruits and vegetables, correxes, leads using thermoforming method

Biaxially-oriented polystyrene film is produced by flat-die extrusion and has a three-layer structure - A / B / A.

The material is a stiff, tasteless and odorless tape with a number of advantages that provide good processability in the thermoforming process and give high consumer properties to the finished products.

Advantages of BOPS-film:

- low density, 1.05 g/cm3;

- high rigidity,

- crystal transparency, high gloss, luster,

- silicone coating facilitates removal of finished products from the mold and their

easy removal of the finished parts from the mold and their disconnection from the pile;

- three-layer structure prevents product to be packed from coming into contact with the

The three-layer structure prevents the packaged product from coming into contact with the center colored layer;

Parameters

Measurement
unit

Value

Testing method

Thickness range

mic

180÷750

-

Width

mm

250÷1600

-

Density

g/sm³

1,05

ISO 1183

Thickness (deviation from nominal)

%

±5

DIN 53370

Tensile Strength (-MD/-TD)

MPа

>40

ASTM D 882

Elongation at break (-MD/-TD)

%

≥3,0

ASTM D 882

Outer diameter

mm

600; 1000

-

Spool diameter

mm

76; 152

-

Web end shift 

mm

±2

-

Thermal shrinkage at 100С

%

<1,0

BMS TT 1.1

Turbidity

%

≤3,0

ASTM D 1003

Light transmission coefficient 

%

90

ASTM D 1003

Gloss

gloss unit

115

ASTM D 2457

Transparency

%

96

ASTM D 1003