Covinax 377-00

PRODUCT DESCRIPTION

Covinax 377-00 is a specialty emulsion polymer with very high shear performance and excellent wing-up resistance. Covinax 377-00 can be used in masking and can be used on vinyl films. Covinax 377-00 exhibits1.5 pli average peel adhesion from stainless steel and good heat/humidity resistance. It also shows >10,000 minutes of shear on a 1/2 x 1/2 inch bondline under 500g static load. 


PHYSICAL PROPERTIES

Polymer Type:  Acrylic 
Protective System: Anionic
Color: White
Viscosity (cps): 50 - 250 (RVF, Spindle #3/50RPM/77° F)  
Percent Solids (%): 57.5 - 59.5 
pH: 4.7 - 5.8
Weight Per Gallon: 8.6
Glass Transition Temperature (Tg): (DSC): -37.1° C

 

 


PERFORMANCE PROPERTIES

A 1 mil (28g/m2) dry film of Covinax 377-00 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)                          1.6                                     1.3 - 1.8
178° Shear Adhesion2 (minutes)             232                                 145 minimum
Loop Tack3 (lb)                                         N/A                               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: NONE

                               

 

 


AVERAGE APPLICATION PROPERTIES

 

 


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

 

ADDITIONAL INFORMATION

  Yellowing (Colorimeter “b” value)

 

STORAGE AND HANDLING

Shelf life: Best if used within six 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 www.franklinadhesivesandpolymers.com.

 
 
IMPORTANT NOTICE TO CUSTOMER:
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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