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Splicing Methods

What are some of the different splicing methods used in the tape converting processes?

There are a few different ways tape converters successfully splice tape products. These include a butt splice, a reinforced under lap splice, a reinforced butt splice and a butt splice top and bottom.

A butt splice is most commonly used with release liners and non-coated paper products. This process places the butt ends of two products closely together and uses a two” strip of splicing tape to create a bond and remove air entrapment. Two pieces of tape can be used when a high tensile strength is required.

A reinforced under lap splice is frequently used when splicing a single coated self wound roll. This method under laps the material from the unwind side approximately three inches underneath the rewind material. The surfaces are rubbed together to remove air entrapment and a two inch strip of silicone adhesive, silicon release splice tape is placed across the top of the exposed edge of material.

A reinforced butt splice is used primarily for double coated tape. This technique butts the unwind and rewind edges of material as close to together as possible and applies a two inch strip of silicone coated, silicone adhesive splicing tape across the top edges. A two inch strip of the double coated product is applied to the bottom edges and the liner is stripped away. This method may also be accomplished by stripping the liner on the unwind side and overlapping adhesive to adhesive, trimming the liner and placing a two inch strip of silicone coated, silicone adhesive across the top of the two liners.

A butt splice top and bottom is used when splicing single coated adhesive lined products. This method butts both materials together and applies a two inch strip of silicone coated, silicone adhesive splice tape to the top and bottom.

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