Demystifing The Terminology: A - B


Anti BlockAn additive in the polymer to avoid the film sticking together and becoming blocked during extrusion.
Anti StaticAn additive added that reduces the likelihood of the film attracting static energy - useful when the film is for electrical components.


Block HeadedThe process of welding together a batch of bags, usually above a tear off perforation so that the bags can be stored in batches easily and taken one at a time.
Bottom WeldA Bag with the seal at the base of the bag, seperated from the end of the bag by a small skirt as the sealing and cutting are seperate processes. Bag length is measured from top to bottom of the bag including the skirt, which is typically up to 1cm. Also known as 'End Weld'