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Seam Guide:

Serged Seams: A serged seam joins two pieces of material with a thread stitch that interlocks. This is the single most popular seam for most limited use protective apparel and accessories.

Sewn and Bound Seam: This seam joins two pieces of material with an overlay of similar material and is chain stitched through all of the layers for a clean finished edge. This provides increased holdout of liquids and dry particulates.

Heat Sealed & Taped Seam: A heat sealed seam is sewn and then sealed with a heat activated tape. This method provides liquid proof seams, and is especially useful for Level A and B chemical protective clothing.

Ultrasonic Welded Seam: Fabrics are tightly pressed together and exposed to high-frequency mechanical oscillations that create heat and fuse them together. No thread (or needle holes) required.

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