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  • 1. Heat Sealing Machines These are among the most common types of bag seaming machines. They utilize heat to melt the edges of the bag material, allowing the two sides to bond together as they cool. Heat sealing is particularly effective for plastic and some synthetic materials, providing a reliable closure that is both airtight and waterproof.


  • Chain stitch is a type of stitch formed by a series of interlocking loops. Unlike traditional lockstitch, chain stitch provides a unique elasticity, which is particularly beneficial in the production of stretchy fabrics, such as those used in activewear and swimwear. The double needle variant utilizes two needles that operate simultaneously, allowing for a neat, parallel stitching pattern that enhances the aesthetic of the finished product while also providing additional strength.


  • One of the primary advantages of the coverstitch chain stitch is its durability. The unique design creates a seam that can withstand the stresses and strains inherent in wear and motion. This is particularly vital for activewear and other garments that require a high degree of flexibility. Furthermore, the coverstitch is less likely to fray or lose its shape compared to standard stitching methods.


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