2. Duvet: a high-quality duvet with goose down or duck down as the main filler and a down content of more than 50%. A duvet has the advantages of high warmth retention, small volume, light weight and durability. A good duvet can be used for many years without deformation.
3, silk quilt appearance: high-quality silk quilt appearance has pearl-like color, with diffuse reflection of light. Clean impurities are few, and the Silk Road is orderly and tidy; However, poor quality silk, due to the addition of chemicals such as bleach, often looks pale, dull and wet, with more impurities, and the silk road is chaotic. Handle: high-quality silk feels soft, smooth and elastic, without lumps; Inferior silk, on the other hand, feels rough, inflexible and moist, and there are relatively many cocoon stems, cocoons, raw cocoons and pupae sloughing. Silk with oily or musty smell is inferior. Burning: When silk burns, it immediately turns into ashes, and the burning speed is very fast. After burning, it was loose gray and smelled of burnt hair. Kapok is also ashes that can be crushed after burning. Fiber strength: The better the strength and elongation of silk, the better the quality. The longer the silk quilt with the same length is stretched, the better the quality. Generally, good mulberry silk can be pulled above 100 cm.