PRODUCT CENTER

GM-A/GM-B with yellowing and hydrolysis resistance for lamination films for insulation foam

  • 01Description

    GM A/B is an two-component polyurethane adhesive, specializing for yellowing resistance and weather resistance when produce BOPP, PET, NY, PE, CPP, AL. The adhesive have the good performance on high initial viscosity, odorless, soft coating, anti-aging, etc.
  • 02Performance characteristics

    GM A/B is a functional adhesive.Specializing for anti-aging, anti-yellowing, anti-weather laminating application. High initial and final bonding strength, good flow property, good coating property to the filmIt complied with US FDA 21CFR175.105.
  • Health norms

    Health norms

    US FDA 21CFR175.105.

     

  • Product specifications

    Product specifications

    These properties are typical but do not constitute specifications.

    Item

    GM   A

    (OH   component)

    GM   B

    (NCO   component)

    Type

    Main   agent

    Hardener

    Ingredient

    Polyester   polyol agent

    Isocyanate-terminated   Polymer

    Appearance

    Light   yellow transparent liquid

    Light   yellow transparent liquid

    Solid   Content(%)

    60±2

    50±2

    Viscosity   (mPa.s20)

    2000±1000

    2000±1000

    Solvent

    Ethyl   acetate

    Ethyl   acetate

    Mix   Proportion

    10

    2.25

    Shelf   life

    360days

    360days

     

  • Operating conditions

    Operating conditions

    Recommended Operating Conditions

    • Application Method                Direct gravure or smooth roller coating                               

    • Application solids                 20-40% (Recommend 30%)                    

    • Pot Life          Static           8 hours approximately                        

    •                 Dynamic         24 hours approximately                       

    • Dry Coating Weight                2-4 gsm depending on structure                

    • Cure Time                        36-48 hours (45-55)                         

    • Cleaning Solvent                   Ethyl Acetate                                 

       

       

      Mix Ratio By Weight

       

    Working   concentration %

    GM   A KGS

    GM   B KGS

    Ethyl   Acetate KGS

    35

    20

    4.5

    16.2

    30

    20

    4.5

    23

    25

    20

    4.5

    32.5

    20

    20

    4.5

    46.7

    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 4.5kg/drum.

    image.png

  • 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.

Return