AT6270A/B is an alcohol-based two-component polyurethane adhesive for general purpose, widely used in laminating of various treated film like BOPP, PET, PA, CPE, CPP, VMCPP, etc.
Technical Properties
These properties are typical but do not constitute specifications.
Item AT6270A
(OH component) AG6270B
(NCO Component)
Type Main agent Hardener
Appearance Light yellow transparent liquid Light yellow transparent liquid
Solid Content(%) 70± 2 70± 2
Viscosity (mPa. S20° C) 6000± 2500 4000± 2000
Solvent Alcohol Ethanol, Ethyl acetate
Specific gravity 0.93-0.97 0.93-1
Mix Proportion 1 1
Shelf life 360days 300days
Mix Ratio By Weight
Working Concentration % AT6270A AT6270B Alcohol(kgs)
35 1 1 2
30 1 1 2.7
25 1 1 3.6
20 1 1 5
15 1 1 7.3
Solvent is isopropyl, modified methanol, ethanol (purification shall be up to 95%). Ethanol is the recommended solvent.
1. Typical Features:
High peeling strength.
High transparency
With high solid content, suitable for food and medicine soft packaging
2. Recommended Operating Conditions
Application Method Direct gravure
Application Cylinder 100-200 line
Application solids 20-35% (Recommend 30%)
Pot Life Static 8 hours approximately
Dynamic 24 hours approximately
Dry Coating Weight 1.5-3.0 GSM depending on structure
Drying Section Temperature 55-65° C 65-75° C 75-85° C(three sections)
Laminating Temperature 50-80° C
Cure Time 24 hours (40-50° C)
Cleaning Solvent Ethanol
3. Package
Pack in steel drum normally.
Main agent is 18kg/drum. Hardener is 18kg/drum.
4. Safety & Storage
Store in cool, dry, well-ventilated area away from heat and ignition sources, keep container tightly closed.
Refer to MSDS for more safety information
5. Important notice
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.