Why Do Sewing Scissors Become Dull Quickly?

Sewing scissors are important for clean and accurate fabric cutting. When they become dull, fabric can drag, fray, or cut unevenly.
Most sewing scissors become dull quickly because they are used for the wrong materials or not cared for properly.
Cutting Paper
One common reason is using fabric scissors to cut paper.
Fabric scissors should be kept only for fabric. Sewing.org recommends not using fabric-cutting scissors on paper or other non-fabric materials. (sewing.org)
Cutting Plastic, Cardboard, or Labels
Plastic, cardboard, packaging, and labels can also dull sewing scissors.
These materials put extra pressure on the blades and can make the scissors less smooth when cutting fabric.
Cutting Too Many Fabric Layers
Even fabric scissors have limits.
Cutting too many thick layers at once can make the blades work too hard. It can also shift the fabric and make the cutting line less accurate.
Hitting Pins or Hard Objects
Cutting over pins can damage the blade edge.
Even a small nick on the blade can make the scissors feel rough and less precise.
Not Cleaning the Scissors
Fabric lint, dust, and thread can build up around the blades and screw.
Sewing.org notes that lint from synthetic fabrics can be abrasive and may dull the blades. (sewing.org)
Wipe the scissors after use and store them safely.
Conclusion
Sewing scissors become dull quickly when used for paper, plastic, cardboard, thick layers, or when they hit pins and hard objects.
To keep them sharp longer, use fabric scissors only for fabric, clean them after use, avoid cutting over pins, and store them properly.
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