The Mactac Sealer is a Colourless edge sealant that adheres perfectly on different surfaces. It does not drip, even on steep vertical surfaces. It is durable over time, when exposed to UV. Mactac Sealer is used to seal off the edges for applications in marine environment or with high risk of chemical spillage. The use of Mactac Sealer is recommended to strengthen the adhesion of film and prevent edge lifting in these demanding applications. It can be used for a variety of graphics products and on different substrate, however, a pre-test is always recommended.