anti-corrosive polyurethane adhesive for food packaging

1.anti-corrosive,anti-medium 2.steaming grade 3.for laminating structural plastic/plastic ,and AL foil/plastic

Description

HT3135A/B is an EA based two-component polyurethane adhesive in high temperature steaming grade, widely used in laminating of various treated film like BOPP,PET,NY,PE,CPP,AL,Paper,etc .

Technical Properties

These properties are typical but do not constitute specifications.  

Item	HT3135A (OH component)	HT3135B (NCO component)
Type	Main agent	Hardener
Ingredient	Polyester polyol agent	Isocyanate-terminated Polymer
Appearance	Light yellow transparent liquid	Light yellow transparent liquid
Solid Content(%)	50±2	75±2
Viscosity (mPa.s)	2500±1000(25°C)	2750±1250(20°C)
Solvent	Ethyl acetate	Ethyl acetate
Mix Proportion	10	1
Shelf life	360days	300days

Typical Features:

l        HT3135A/B is designed to laminate the film which use to package the contents which need to be steamed at 135°C less than 30 minutes in the producing , HT3135A/B is used to produce the packaging film with structural plastic/plastic and Aluminum/plastic, especially suitable for structural Aluminum/plastic.

l        High initial and final bonding strength, good peeling strength.

l        With a certain anti-medium and anticorrosive effect, good working property.

l        It complied with US FDA 21CFR175.105.

Recommended Operating Conditions

¨         Application Method                Direct gravure                               

¨         Application Cylinder               80-150 line                                 

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

¨         Pot Life          Static           8 hours approximately                        

¨                         Dynamic         24 hours approximately                       

¨         Dry Coating Weight                4.0-5.5 gsm depending on structure              

¨         Drying Section Temperature          55-65°C 65-75°C 75-85°C(three section)                  

¨         Laminating Temperature             50-80°C                                    

¨         Cure Time                        72 hours (45-55°C)                         

¨         Cleaning Solvent                   Ethyl Acetate                                   

Package

Pack in steel drum normally.

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

anti-corrosive polyurethane adhesive for food packaging