lamina adhesiva

1.US FDA 21CFR175.105
2.High transparency, peeling strength, suitable for food and medicine industry
3.High initial bonding

Description

AT6250A/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	AT6250A	AG6250B
Type	Main agent	Hardener
Appearance	Light yellow transparent liquid	Light yellow transparent liquid
Solid Content(%)	50±2	50±2
Viscosity (mPa.s20°C)	450±200	400±200
Solvent	Alcohol	Ethanol, Ethyl acetate
Mix Proportion	1	1
Shelf life	360days	300days

 

Typical Features:

l  High initial bonding strength. Excellent performance for laminating.

l  Suitable for middle and high-speed dry laminating machine.

l  The packaging films laminated by AG6250A/B offer the high transparency and high peeling strength, especially suitable for soft package in food and medicine industry.

l  Comply with US FDA 21CFR175.105.

 

 

Recommended Operating Conditions

Application Method                Direct gravure                               

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

Application solids                 20-35% (Recommend 30%)                    

Pot Life          Static           8 hours approximately                        

Dynamic         24 hours approximately                        

Dry Coating Weight                1.0-3.0 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                                    

 

 

Mix Ratio By Weight

 

Working Concentration %	AT6250A (kgs)	AT6250B (kgs)	Alcohol(kgs)
35	1	1	0.8
30	1	1	1.3
25	1	1	2
20	1	1	3
15	1	1	4.7

Solvent is isopropyl, modified methanol, ethanol (purification shall be up to 95%). Ethanol is the recommended solvent.

 

Package

Pack in steel drum normally.

Main agent is 18kg/drum. Hardener is 18kg/drum.

 

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

 

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 especial structures of films and stuffs packed, we do not take on any legal duty for these documents.