Ethylene Vinyl Acetate Hot Melt Pressure Sensitive Adhesive B

Typical Formulation Ingredients

Ingredient

Parts by weight

Ethylene vinyl acetate (EVA-501, Union Carbide)

xx

Ethylene vinyl acetate (EVA-605, Union Carbide)

xx

Plasticizer (Staybelite Ester 10, Pinova)

x

Plasticizer (Piccolyte A-85, Pinova)

xx

Plasticizer (Wing Tack 95, Cray Valley)

xx

Tackifier (Abitol, Hercules, Inc.)

xx

Antioxidant

xxx

(Source: Skiest, I., ed., Handbook of Adhesives, 2nd ed., Van Nostrand Reinhold Co., 1977, pp. 504-505.)

Typical Properties

Properties

Peel strength (1.2 in / min), lb / in

xxx

Quick tack (2 in / min), lb / in

xxx

Processing

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Resulting Properties

A starting formulation for a general purpose EVA hot melt formulation is given in the table above. EVA resins are considered to be relatively safe to use in food applications. Certain adhesive manufacturers offer EVA resins that are approved for indirect food contact (FDA 21 CFR.175) applications. This allows the adhesive to be used not only in food packaging but also in food cooking and other food preparation applications.

Tips and Tricks

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Ethylene Vinyl Acetate Hot Melt Pressure Sensitive Adhesive (B)

Applicable Base Polymer Properties