1. Classification of fabrics
Commonly used cotton bedding can be roughly divided into four types: four-piece set of plain cotton, four-piece set of combed cotton, four-piece set of cotton mercerized and four-piece set of mercerie. The usual rate of shrinkage can only depend on personal luck. In general, the products of good manufacturers can be guaranteed. Combed cotton and mercerized cotton are generally treated when they leave the factory and the problem is not big. As for rubbing, I can only say that the cheaper the shrinkage, the greater the shrinkage because it is the same? Cheap? Insufficient size and reduced steps after processing.
2. The rate of shrinkage of cotton
For products made of pure cotton fabric, the national standard shrinkage rate is: less than or equal to 5% (ie, 95 cm of 100 cm fabric is normal after washing). . When the quilt is dry, it is useless to stretch it. If your duvet cover is really much larger than the quilt core, the shrinkage is useless.
3. The proper washing and maintenance of cotton
Do not use hot water for washing, the water temperature should be controlled below 35 ° C, it should not be soaked in detergent for a long time and it should not be ironed at a temperature higher than 120 ° C and it should not be exposed to the sun or to dry. Proper washing and drying should pay attention to shade, use a flat layout or use a garden stick type drying rack and washing is best done by hand.
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