Covinax 324-39


Covinax 324-39 is a coater-ready surfactant stabilized vinyl acrylic copolymer for general purpose permanent pressure sensitive adhesives in tape and label applications. Covinax 324-39 has a good balance of peel and tack, which allow it to be used in a wide variety of applications. It exhibits excellent adhesion to corrugated, polyolefin films, glass and metals. It displays excellent converting properties. Covinax 324-39 can be transfer coated on most rod, gravure or roll coaters. Covinax 324-39 is FDA compliant under 21CFR 175.105.


Polymer Type: Vinyl Modified Acrylic Copolymer                                                    
Protective System: Anionic
Color: White
Viscosity (cps): 400 Max (RVF, Spindle #2/100 RPM/77° F)           
Percent Solids (%): 55.0 - 58.0                                                      
pH: 6.0 - 7.0
Weight Per Gallon: 8.6
Glass Transition Temperature (Tg):(DSC): -42.3° C



A 1 mil (28g/m2) dry film of Covinax 324-39 cast directly onto 1 mil thickness polyester film will exhibit the following average performance properties when tested on #304 stainless steel, which has a #3 surface finish.

Test                                                Typical Values                    Specification Range
180° Peel Adhesion1 (lb)                       3.6                                      No specification
178° Shear Adhesion2 (minutes)           73                                         50 minimum
Loop Tack3 (lb)                                      2.2                                      No specification


Minimum Application Temperature:    >32°F                                          N/A

Service (Use) Temperature:           20°F to 250°F                                    N/A

NOTE:  Minimum application and service temperatures are dependent upon many factors including face stock, adhesive coat weight, adhesion, and intended application.  We can only offer an estimate based on the Tg and typical performance properties of the adhesive. 


FDA Compliance: 21CFR 175.105



C = Cohesive     A = Adhesive    PT = Paper Tear     FP = Fiber pick



Shelf life: Best if used within four months of date of manufacture. Mix before use for best results. Product is not freeze/thaw stable.

For additional questions, Franklin’s technical service team is available at 1.800.877.4583. 24/7 technical service is available online at

The recommendations and data contained in this Product Data Sheet for use of this product are based on information Franklin believes to be reliable. They are offered in good faith without guarantee, as conditions and methods of use of our product by Customer are beyond Franklin’s control. Customer must determine the suitability of the product for a particular application before adopting it on a commercial scale.
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