If you ever have to choose a type of shrink film for your company’s packaging needs, this article will help you choose what to purchase. After your research on the internet you have learned there are two common types of shrink film. Single-wound and centerfold shrink films.
The goal of this article is to provide you with the best information about these two types of shrink films so you can make an informed decision. There will be a different factors to consider before making your choice. What are the capabilities of your machine, are there any production or quality guidelines to follow, and what is the desired appearance of the product?
What is single-wound shrink film?
The single-wound shrink film is frequently used in the packaging of numerous kinds of consumer goods. The film can be purchased on a flat sheet wrapped around a cardboard core. Another name for single-wound film is flat or single-layer films. There are different sizes of single-wound films available in the commercial markets. The choices include 35 gauge to 150 gauge. The length of the roll will determine the gauge of the film. The choices for length include 3,500 to 15,000 feet. The different widths available range from 6 inches to 58 inches.
The different applications for the single-wound shrink film range from side sealers to L-bar sealers. The use of the single-wound shrink film in the sealer will involve the machine placing the three seals on the trailing edge, leading edge, and one of the sides. The lap seal uses static or electric sealing to hold together the multiple overlapping layers.
What is centerfold shrink film?
The centerfold shrink film receives its name because of the way it is formed on the roll. The centerfold film is folded in half lengthwise and then formed onto the roll. When this film is utilized it will unfold from a 20 inch width to a 40 inch unfolded width. There are different sizes of centerfold films available in the commercial markets. The choices include 35 gauge to 150 gauge. The length of the roll will determine the gauge of the film. The choices for length include 1,750 to 8.750 feet. The different widths available range from 6 inches to 58 inches.
The different applications for the centerfold shrink film range from side sealers to L-bar sealers to a tabletop machine. The use of the centerfold shrink film in the sealer will involve the machine sealing the front, the sides, and the back of the film before entering the heat tunnel. Depending on the needs of your company, the shrink film can be purchased in either full pallet load quantities or individual rolls of centerfold shrink film.
