Sealed sacks

Utility: The sealing system allows the paper sack, once filled with product, to be sealed airtight by welding the polyethylene film, preserving the product's maximum characteristics.

Features: They can be made from high-quality kraft paper and/or white paper, 100% virgin fibre, with or without an inner polyethylene film/bag of high and/or low density.

Types:
– Ultrasonic sealing or heat sealing