Postmatic offers cost-effective envelope sealing solution for inserting, envelope sealing, stamp affixing, packaging, taping and more.
With a mixing ratio of 4 oz Seal-Tight Concentrate to a gallon of water, Seal-Tight Concentrate will activate any water activated glue adhesion to ensure positive sealing and speeds dry time for quicker handling. A combination of active ingredients fights bacteria and algae growth providing a cleaner, more productive moistening system … (click to read more)