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FILM DESCRIPTION
Untreated, two sides heat sealable coextruted biaxially oriented polypropylene transparent film, suitable for:
High speed overwrapping machines.
General overwrapping purposes.
CHARACTERISTICS
Low static charge.
High slipery.
Two sides heat sealable with excellent hot tack.
High Transparency.
High resistance to oil, grease, chemicals, puncture and abrasion.
Good barrier to moisture, odours and gases.
APPLICATIONS
Over wrapping of cigar and cigarette boxes.
Properties unit Test method Tolerance Typical value
Thickness micron -- ±3% 21 23
Yield m²/ kgm -- ±3% 52.3 47.8
Unit weight gm/m² -- ±3% 19.1 20.9
Tensile strength MD
TD
N/mm² ASTM D 882
Min.
Min.
120 120
240 240

Breaking elongation

MD
TD
% ASTM D 882
± 20
± 10
160 160
50 50
Modulus of elasticity MD
TD
N/mm² ASTM D 882
Min.
Min.
2000 2000
3400 3400
Heat
shrinkage
MD
TD
% In air, in oven
for 5 min.
at 130 ºC
Max.
Max.
4 4
2 2
Haze % ASTM D 1003 Max. 2.5 2.5
Gloss G.U. ASTM D 2457 Min. 85 85
Coefficient of friction -- ASTM D 1894 ± 0.05 0.22 0.22
Water vapour permeability g/m². 24 hrs
at 38 ºC
90% RH
ASTM E
96-66
BS 3177
Max. 7.3 7.3
Oxygen permeability cc/m². 24 hrs Bar, at 23ºC,
0% RH
Astm D 1434
Bs 2782 – 514 A
Max. 2100 2100
Heat seal range ºC OPMA method -- 120-145 120-145
Denisty Kgm/m³ ASTM D 1505 ± 0.05 0.91 0.91

 

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