VCI Metal Barrier Film   pdf

 vci

 

metal barrier 

Technical Specifications and Test Data

Thickness of Material = 250 gsm. 200 gsm and 150 gsm

• Layer 1 – Metal Film – 12 microns
• Layer 2 – CO Extruded 3 layer LDPE Film – as required
• Layer 3 – VCI Coating – 15 gsm
• Property of product at 150 gsm is stated below.
• Meets standard MIL B 131 where the product is fabric and fibre free , heat sealable structure useful as a barrier material limiting passage through itself of solids, liquids, semisolids, gases or forms of energy such as ultraviolet light, said structure compromising a first ply of a relatively tough, biaxially oriented film of organic polymer adhered to second ploy of metallic foil/coating and a third ply of a tough polymer such as polyethylene. 

 
 MECHANICAL
 Tensile (Min)

 MD

TD 

 D-882

D-882

 Kg/cm2

 Kg/cm2

227 

210 

 Elongation (Min)

 MD

TD 

  D-882

D-882

 %

%

480 

500

 Dart Impact Strength 66 cm Ht.

3-8mm Dia at 50% Failure

   ASDM-1709  GF 900 
 THERMAL
 Heat Seat Initiation Temperature     Internal  °C 130
 Heat Seat Strength    Internal  gm/mm   2300-2700
BARRIER
 WVTR(38°C & 90%RH) Max  F-1249  gm/m2/24 h ≤15
 OTR(30 °C & 0%RH) Min  D-3985  cc/m2/24h  ≤30

Application

The product is used for packing of machines, auto parts, steel products etc. It is ideal to accompany Desiccants along with the bags to reduce humidity packed inside the packaging. Heat sealing of bag is preferred to reduce any new moisture entering the packaging.