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HGFL BOPP (Biaxially Oriented Polypropylene) Transparent Film

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Description

Heat-sealing transparent BOPP film with a low threshold of welding, with high coefficient of friction for a special purposes, for high quality rotogravure and flexographic printing and lamination. The main advantages are: A wide range of heat sealing; contains antistatic and antiblocking additives; excellent optical properties; good mechanical properties; intended for contact with food; high coefficient of friction stable in time; without coatings and primers.

Properties

General

Density

ρ

0.91 g/cm³ at 20 °C

Film yield

Yfilm

22.89 - 73.26 m²/kg at 20 °C

Shrinkage

cshrink

4 - 5 % at 120 °C

GOST 18616, ISO 11501, ASTM D1204 (Thermal shrinkage at 120˚C, 5 min)

Shrinkage, transverse

cshrink, trans

2 - 3 % at 120 °C

GOST 18616, ISO 11501, ASTM D1204 (Thermal shrinkage at 120˚C, 5 min)

Surface density

ρsurf

1.365E-3 - 4.368E-3 g/cm² at 20 °C

Dimension

Dimensions

Available thicknesses: 15, 18, 20, 25, 30, 35, 40, 48µm.

Thickness

t

0.02 - 0.05 mm

Mechanical

Elongation

A

GOST 14236, ISO 527, ASTM D882

Elongation, transverse

A

GOST 14236, ISO 527, ASTM D882

Tensile strength

Rm

GOST 14236, ISO 527, ASTM D882

Tensile strength, transverse

Rm,trans

GOST 14236, ISO 527, ASTM D882

Optical

Haze

H

2.5 - 3.2 %

GOST 15875, ISO 14782, ASTM D 1003

Technological properties

Application areas

High quality solvent based rotogravure and flexographic printing; solvent based and solvent free lamination with polyurethane adhesives; manufacture of flexible packaging for food products; for vertical VFFS and horizontal HFFS packaging machines; laminating with PE and CPP films with a high content of slipping additives; to reduce the impact of slip additives transition from PE or CPP film to the BOPP film side, which leads to a significant coefficient of friction reduction. The high coefficient of friction of the HGFL film, provides a certain margin in this case. For a case in which the bondage process of packed products is present, for example, in pasta packaging; to save the packed packages in a single group without sliding over each other (if necessary); in the other cases, when slip reduction on BOPP side of the flexible packaging is necessary; for cold seal glue frame coating onto UT film side (if necessary).

Friction

Kinetic coefficient of friction µ= 0.4-0.65 (GOST 27492, ISO 8295, ASTM D 1894).

Other

HGFL BOPP films comprise: A treated modified heat sealable copolymer skin layer, a transparent oriented polypropylene core layer, a heat sealable, non treated skin layer with low seal intention temperature and high coefficient of friction.

Processing history

Treatment level: 38 mN/m (ISO 8296, ASTM D 2578)

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This material data has been provided by SIBUR.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.