What is double stitched seam?
A Double-Stitched Seam is like a Plain Seam, but a second Plain Seam is sewn between the first and the raw edges of the seam allowance in order to provide a stronger seam for the fabrics being sewn together as well as better keep the fabric from fraying.
What is SPI sewing?
STITCHES PER INCH (SPI) – WHAT YOU SHOULD KNOW. Introduction. When writing garment specifications, you should not neglect specifying the proper number of stitches per inch that should be used in your sewn products.
What are the classification of stitches?
The 6 classes of stitch are mentioned as:
- Class 100: Single Thread Chainstitch. The stitches formed here are from one or more needles by the method of intralooping.
- Class 200: Hand Stitch.
- Class 300: Lock Stitch.
- Class 400: Multi-thread Chain Stitch.
- Class 500: Over-edge Chain Stitch.
- Class 600: Covering Chain Stitch.
What is the difference between stitch and seam?
Seam and stitches are related to each other as seam can not be held without a stitch. Seam is the join between two or more plies of pieces of material, whereas a stitch is formed by one or more threads or loops of threads.
What is GSM in garments?
GSM stands for grams per square meter, and is a standard measurement for fabric weight. The cutter allows us to cut out a perfect circle with an area of 100 cm, and the scale precisely measures the weight of the little fabric circle.
What is DTM in garments?
DTM is abbreviated as Dyed to Match. An item (trims) is dyed to match the colour of the fabric used in the garments. Trims such as sewing threads, buttons, tapes are dyed in a colour that matches with the garment’s base colour or body fabric colour.
Which seam is the strongest?
Flat felled seams
Flat felled seams are the strongest seams and won’t fray as raw edges are hidden. Although often sewn on thick fabrics, they can be sewn on thinner fabrics as they produce a very neat finish.