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Multilayer Coextrusion EVOH Film

Views: 13     Author: Site Editor     Publish Time: 2016-09-06      Origin: Site

Multilayer  Coextrusion with EVOH (Etilenvinilalcohol) with low water soluble organic compound migration,to avoid unwanted flavor transmission to water.
For packaging of water for human consumption with high oxygen barrier.


ROPERTIES

METHOD

UNIT OF MEASURE

SPECIFICATION

 

 


 

 

 

 

 

 


Thickness

ASTM D374

microns

67  +/- 4,5%

Weight

ASTM D646

g/m2

86.75 +/ - 4,5%

Package Yield

ASTM D4321

m2/Kg

14.92 +/- 4,5%

Corona Treatment

-

Dinas/ cm

38-40

 

Specular Gloss

ASTM D2457

%

>= 75

 

Haze

ASTM D1003

%

 

<= 10

Sealing Range at 130 C

20 psi / 0,5sec

&ordm;C

 

 

95 to 145

 

Sealing Strength

Internal Testing Method

gf/25mm

>=  3500

 Oxygen Permeability

ATSM D3985

cm3 /m2/d&iacute;a

<= 5

 

 

Water Vapor Permeability

ASTM F1249 90% a 38&ordm;C

g/m2/d&iacute;a

 

<= 5

 

Resistance to Elongation

ASTM D882

MD

%

650 +/- 10 %

 

 

TD

 

700 +/- 10 %

Resistance to Tension

ASTM D882

MD

N/mm2

30 +/- 10 %

 

 

TD

 

25 +/- 10 %

Elastic Modulus

ASTM D882

MD

N/ mm2

220  +/- 10%

 

 

TD

 

240 +/- 10%







 

 


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