PRODUCT CENTER

EF2072A/B specially designed for polymer/alu in general purpose

  • 01Description

    EF2072A/B is an EA-based two-component polyurethane adhesive specializing for Al foil laminating, widely used in laminating of various treated film like BOPP, PET, NY, PE, CPP, AL, Paper, etc .
  • 02Performance characteristics

    Specializing to laminate Al foil with other plastic film., effective to avoid the happening of tunnel.  Odorless, the film laminated by EB2072A/B has good transparency, flexibility, aging resistance. High initial bonding strength, good peeling strength for structural AL/plastic film.With great wettability to films, EF2072A/B have good working property.The packaging film laminated by EF2072A/B can resist to boil at 100℃ less than 30minutes
  • Health norms

    Health norms

    OCHEM EF2072A/2072B 2-component ester base polyurethane adhesive are in compliance with the positive lists of the following, internationally accepted guidelines for the production of articles intended to come into indirect contact with food stuff.

    - EU RoHS directive (EU) 2015/863 amending Annex II to directive 2011/65/EU

    - CFR, title 21, § 175.105 of the FDA, Washington D.C., respectively

    - Regulation (EC) No 1907/2006 concerning the REACH

     

    As an indirect contact material in food and drugs packaging industry, OCHEM EF2072A/2072B are definitely suitable to make the film laminating for food packaging and doesn’t contain any noxious, destructive and harmful material to human health.

     

  • Product specifications

    Product specifications

    These properties are typical but do not constitute specifications.

    Item

    EF2072A

    (OH component)

    EF2072B

    (NCO component)

    Type

    Main agent

    Hardener

    Ingredient

    Polyester polyol agent

    Isocyanate-terminated   Polymer

    Appearance

    Light yellow transparent   liquid

    Light yellow transparent   liquid

    Solid Content(%)

    72±2

    75±2

    Viscosity (mPa.s20)

    4250±750

    2500±1250

    Solvent

    Ethyl acetate

    Ethyl acetate

    Mix Proportion

    5

    1

    Shelf life

    360days

    360days


  • Operating conditions

    Operating conditions

    Recommended Operating Conditions

    Application Method                Direct gravure                               

    Application Cylinder               100-200 line (65-80 line per cm)                

    Application solids                 20-40% (Recommend 30%)                    

    Pot Life          Static           8 hours approximately                        

                    Dynamic         24 hours approximately                       

    Dry Coating Weight                2.0-4.0 gsm depending on structure              

    Drying Section Temperature          50-60℃ 60-70℃ 7080℃(three section)                  

    Laminating Temperature             50-80℃                                   

    Cure Time                        24-48 hours (45-55℃)                         

    Cleaning Solvent                   Ethyl Acetate                                    

     

    Mix Ratio By Weight

    Solid content %

    EF2072A KGS

    EF2072B KGS

    Ethyl Acetate KGS

    Viscosity(Zahn cup#3/25℃)(s)

    35

    5

    1

    6.4

    16.9

    30

    5

           1

    8.5

    15.0

    25

    5

    1

    11.4

    13.3

    20

    5

    1

    15.8

    11.9

    15

    5

    1

    23

    11

    Solvent is ethyl acetate, acetone, MEK, the water content should be less than 0.03%, the alcohol content should be less than 0.02%, Ethyl acetate is recommended.

                           


  • Packing specifications

    Packing specifications

    Pack in steel drum normally.

    Main agent is 20kg/drum. Hardener is 4kg/drum.

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  • Store

    Store

    Store in cool, dry, well-ventilated area away from heat and ignition sources, keep container tightly closed.

    Refer to MSDS for more safety information


  • Special instructions

    Special Instructions

    These documents we provided are made on the basis of our recent knowledge and experience. All these terms we mentioned are only suitable in normal condition and could be used as references. Please test and affirm before formal production or contact with our technician to some special structures of films and stuffs packed, we do not take on any legal duty for these documents.

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