What are the advantages and disadvantages of mulberry silk and tussah silk, and which is more suitable for making duvets?

Tussah silk is cutting cocoon silk because silkworm pupae have high economic value and are rich in nutrients, so silkworm farmers take out the pupae to sell the cocoon shells after the cut.

The silk is fluffy and warm, and mulberry silk is breathable, but it is easy to change the board and shrink in size after making a quilt or deform. Since there were no pupae when the cocoon opened, the oil from the pupae does not adhere to the silk, and the oil content of the silk is shallow, and the fibres are thicker than mulberry silk, so the silk is more durable than mulberry silk, and the price is meager.

Tussah silk is less lustrous, yellowish in colour, lumpy in particles, medium length, not silky, and not delicate.
Many sold silk under the guise of pure handmade silk, mixed in with the lining of pure handmade silk, and many are even pure handmade silk with only one zip opening, as the appearance is very similar to that of handmade mulberry silk.

Pure handmade mulberry silk is the national standard of substandard products; pure tussah cocoons made of pure tussah silk, do the quilt theoretically can reach the national standard of first-class products.

Mulberry silk, the ancient Chinese culture of silkworms, has warmed generations of people.
Mulberry silk is classified by silk length, divided into long, medium-length, and short silk wool.

It is not necessarily that mulberry silk is more expensive than tussah silk because short silk is usually mulberry silk cocoon clothes silk or old silk refurbished. Short mulberry silk is cheaper than tussah silk; the actual use is entirely less than crushed silk.

Mulberry silk is divided into different parts of the cocoon from the outside to the inside. Cocoon clothing silk is short silk, cocoon shell extracted silk and cocoon inside the nymphal lining silk, reeling incomplete and soup cocoon silk, nymphal lining silk, soup cocoon silk is medium to long silk.

The quality of the cocoon can be divided into cocoon shells on the cocoon is on the cocoon silk. Yellow spot cocoon shells are yellow spot cocoon silk; double palace cocoon shells are double palace silk; secondary cocoon shells are secondary cocoon silk.

The origin of the cocoon is divided into Yunnan cocoon silk, two Canton cocoon silk, Sichuan and Chongqing cocoon silk, Shandong cocoon silk, Jiangsu and Zhejiang cocoon silk. Good silk is generally referred to as mulberry silk filament sheep.

Mulberry silk filament, generally pearls white in colour, soft, delicate, beautiful and eye-catching, silky, soft, breathable, and warm against the body.
A good mulberry silk duvet is generally softer and more comfortable than tussah silk.