How much is the cocoon per jin? How is the silk quilt made?

The cocoon is a capsule-shaped protective layer in the silkworm pupa stage, which is produced in sericulture areas all over the country, including pupa, the protective layer includes cocoon coat, cocoon layer and pupa lining, the cocoon layer can be reeled, and the cocoon coat and the reeled waste silk can be used as raw materials for silk cotton and silk spinning. So how much is the cocoon per jin? How is the silk quilt made?

How much is the cocoon per jin

The price of grade A dry cocoon is about 58 yuan / jin, and the fresh cocoon is about 17 yuan / jin, but this is the average price in all parts of the country, and the price varies from place to place. At the same time, the price is also different according to the quality of cocoons. Generally, cocoons with high cocoon rate and cocoons with good relaxation, silk length and high silk production rate are excellent cocoons, and the market price is higher. The characters of white cocoon color, normal luster and uniform cocoon shape are also important criteria for high quality cocoons.

2. How to treat the cocoon into silk quilt

1. Selection of cocoons

The silkworm will spin silk into a pupa in about 30 days, and transform into a moth in the cocoon. In order to prevent the silkworm from turning into a moth and affect the silk quality and later processing, the method of drying is generally used to prevent the cocoon from turning into a moth or deteriorating. The silk produced by the double palace cocoon thread is crisscrossed and has more firmness.

two。 Manual cocoon peeling

Boil the dried cocoon thoroughly, generally boil it in boiling water for 15 minutes, then cool it, open the cocoon manually, make the cocoon into a cap, and separate the pupa at the same time, usually 4 or 5 cocoons to make a small cap. The cap is stretched out through a bamboo bow in a parabolic line, and generally four caps are extended one by one on the bamboo bow, the main purpose is to facilitate the drawing of the silk quilt, and the pulling force is required to be uniform to prevent uneven thickness of the finished product in the later stage. At the same time, clean up the remaining silkworm pupae.

3. Dry the cocoon

After the opened cocoons are dried, 10-12 bundles are hung in a cool and ventilated place, and the raw materials for making silk quilts are made after drying. high-grade silk is generally required to have less raw materials, long fiber length, white, natural color and uniform thickness. it has natural silkworm fragrance and clear luster.

4. Pull the quilt

Through the combination of four people, the fully dried silkworm cap is slowly pulled into the required specification of the core, which requires a single net tension and uniform thickness when superimposed, and then superimposed layer by layer to the required weight, which is called mesh stacking. Because of the strong friction between the silk layers, the finished product is not easy to shift, while the thickness is uniform, breathable and comfortable.

5. Cotton quilting

Lining the silk tire in the coat sewn on three sides, adjust the position so that the edge of the wire tire fits around the coat, so as to avoid the appearance of the edge, especially if there is no core on the corner. The coat and the silk tire are fixed longitudinally through quilting. Generally, the silk is not easy to shift because of the mesh stacking process, so the silk tire is generally fixed in the shape of "point", which is beautiful and comfortable. There are two forms of manual fixation and quilting machine fixation, and finally stitch the mouth.

6. Make into a finished product

The finished silk is soft and close to the body, breathable and comfortable, good heat preservation performance, the product is light, soft, soft, non-vacuuming, healthy and environmentally friendly, the basic composition is similar to the human skin, rich in amino acids needed by the human body, can promote cell vitality, known as the second layer of human skin.

The above is the relevant introduction of the silkworm cocoon by the soil flow net, and the above treatment process can be used as a reference.