Front seal gumming is a type of adhesive application often used in the production of envelopes. This process involves applying a precision-metered volume of front seal gum. In order to produce high quality envelopes, proper application of the adhesive is a critical factor for today's envelope manufactures. Valco Melton's slot coating application assembly easy-to-use pattern controls system allows machine adjusters to save gum and increase up time to deliver the highest quality envelope that your customers have come to expect. Find out more by contacting us today.