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 Polyester Films
 

PACKAGING FILM

This TF  type is an untreated plain film and possesses good thermal, optical, frictional properties and excellent process-ability. This film is suitable for general purpose flexible packaging, metallising applications. This film is also available with one-side corona treatment to give improved adhesion to inks, and metal. 

CI – corona wound-inside                                  CO – corona wound-outside

TECHNICAL    DATA

Type – TF  

PROPERTY TEST METHOD UNIT NOMINAL   VALUE
PHYSICAL                    
Thickness Internal micron 10 11 12 15 19 23 28 36
Yield Internal m2/kg 71.4 64.9 59.5 47.6 37.6 31.0 25.5 19.8
Tensile Strength  MD ASTM-D-882 kg/cm2 2000 2000 2000 2000 1900 1850 1800 1700
at Break             TD 2200 2200 2200 2200 2200 2200 2100 2200
Elongation          MD ASTM-D-882 % 100 100 100 100 100 110 120 130
at Break             TD  85 85 85 85 85 85 100 90
Co-efficient    Static ASTM-D-1894 - 0.50 0.50 0.50 0.50 0.50 0.50 0.50  0.45
Of Friction    Kinetic 0.45 0.45 0.45 0.45 0.45 0.45 0.45  0.40
Surface Tension ASTM-D-2578 dyne/cm 50 50 50 50 50 50 50 50
-Corona   side*
OPTICAL
Haze ASTM-D-1003 % 4.0 4.0 4.0 4.2 4.5 4.5 6.0 7.0
Transmittance ASTM-D-1003 % 85 85 85 85 85 85 83 82
THERMAL
Shrinkage at     MD ASTM-D-1204 % 2.5 2.5 2.5 2.5 2.5 2.5 2.5  2.0
150 o C/30’      TD 0.8 0.8 0.8 0.8 0.8 0.8 0.8  0.8
BARRIER
MVTR   (380C/ 90% RH/ 24 hrs) ASTM-F-372 g/m2 45 25
O2R   (250C/  75% RH/ 24 hrs/ 1Atm.) ASTM-D-1434 cc/m2 110 65

* for CI /CO type film                MD-- Machine Direction;       TD–Transverse Direction

FDA Status :  This UmaPET  polyester film complies with U.S. Food and Drug Administration food additive regulation 21 CFR 177.1630, sections (f)  and (g).

UmaPETÒis the registered trademark for Ester Industries’ bi-axially oriented  polyester films based on polyethylene  terephthalate.

The information contained herein is to be used only as a guide for using UmaPET film. The specifications and characteristics mentioned are based on reliable test procedures. Users of this film should make independent assessment of its suitability to their end use. Ester Industries does not offer any guarantee on the results and does not accept any liability arising out of the use of the information contained herein.

 
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