Covinax 424-39

PRODUCT DESCRIPTION

Covinax 424-39 is our next generation coater-ready surfactant stabilized vinyl acrylic copolymer for general purpose permanent pressure sensitive adhesives in tape and label applications. This product is built using our proprietary polymerization process that produces very high performance properties. Covinax 424-39 has a good balance of peel and tack, which allows it to be used in a wide variety of applications. It exhibits excellent
adhesion to corrugate, polyolefin films, glass and metals. It displays excellent converting properties with its high cohesive strength. Covinax 424-39 can be transfer coated on most rod, gravure or roll coaters .This product is APE-free, formaldehyde-free and meets FDA requirement 21CFR 175.105.


PHYSICAL PROPERTIES

Polymer Type: Vinyl Modified Acrylic Copolymer
Color: White
Protective System: Anionic Surfactant
Viscosity (cps): 100 - 400 cps (RVF, Spindle #2/100 RPM/77° F)
Percent Solids (%): 57.0 - 59.0
pH: 5.4 - 7.0
Weight Per Gallon: 8.7
Freeze/Thaw Stability: No
Shelf Life: 6 months
Glass Transition Temperature (Tg): (DSC): -40.2°C



PERFORMANCE PROPERTIES

A 1 mil (28 g/m2) dry film of Covinax 424-39 DEV cast directly onto 1 mil thickness polyester film will exhibit the following average performance properties when tested on #304 stainless steel (#3 surface finish).



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


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.
All orders for Franklin products shall be subject to Franklin International, Inc.’s Standard Terms and Conditions of Sale which may be found at
http://www.franklini.com/Terms_and_Conditions.aspx. (“Standard Terms”). Different or additional terms proposed by Customer are expressly rejected and shall not become part of the agreement between Customer and Franklin International, Inc. with respect to any order. Contact Franklin International, Inc. immediately if you cannot access our Standard Terms and we will provide you a copy upon request. Any sale of products by Franklin to Customer is expressly conditional upon Customer’s consent to the Standard Terms, and Customer’s acceptance of any performance by, or receipt of products from, Franklin International, Inc. shall constitute Customer’s acceptance of the Standard Terms and Conditions of Sale.
© Copyright 2019. All rights reserved. Franklin International. Revised 01/25/19.