What's the difference between mulberry silk and tussah silk? Which is better?

The types of silk in the market are mainly divided into mulberry silk and tussah silk, both of which are the two major silkworm species in the north and south of China and are important raw materials for domestic silk textile. It can be said that they have their own advantages in terms of characteristics, but some unscrupulous businesses will fool consumers who don't understand. So today, Bian Xiao mainly talks about the difference between mulberry silk and tussah silk and which one is better. Don't miss this popular science article. After reading it, you will definitely get something.

The difference between mulberry silk and tussah silk

One of the differences is the difference in fiber length and toughness.

The toughness and length of fibers determine the way in which fibers will be processed into quilts in the future. At present, there are two kinds: manual and mechanical. Mulberry silk is a kind of long fiber, just like an elastic rubber band, with super elasticity and toughness, and its elongation is 10 times. Even if the small cocoon silk is pulled to the whole quilt area, it will not break, so it is more suitable for hand-painted silk quilt. However, tussah silk fiber is short and its elasticity and toughness are poor, so tussah silk is often used as a "machine-made silk quilt".

Second, the processing technology is different.

Mulberry silk (cocoon) is naturally white, so there is no need to go through any chemical bleaching process when making silk quilt. Therefore, a truly natural silk quilt must be made of mulberry cocoons, and it is the only raw material. ? Tussah silk (cocoon) is different. If the quilt is made directly without processing, the color and feel are usually unacceptable to consumers. In order to make the hand feel and color closer to "mulberry silk", merchants often fade and chemically bleach by adding "fluorescent whitening agent", and fluorescent agent has been proved by modern science to be carcinogenic to human body and harmful to health. As long as it is bedding, safety and hygiene must be the primary factor. Therefore, most customers would rather spend more money to buy mulberry silk quilts, which makes them feel more at ease and secure.

The third difference is the different touch.

If the quilt core is not covered for a long time, it will agglomerate, and the quilt gathered into a hard block will certainly not be warm and comfortable, and mulberry silk can solve this problem well. Its high-quality superfine fiber determines its supple nature, the fiber distribution is regular, and it is obviously silky without lumps when touched by hand. Tussah silk, on the other hand, feels dry, rough and hard with uneven fiber distribution. The latest silk quilt industry standard issued by the General Administration of Quality Supervision, Inspection and Quarantine also clearly explains the handle and lumps, so the quilt made of mulberry silk is more delicate, more durable and less prone to caking.

The fourth difference is that the fiber diameter is different.

The "fiber diameter" is different. Generally speaking, the fiber thickness is different. As a quilt, besides keeping warm, supple and breathable, the weight is also one of the evaluation indexes. The same quality, the same effect, of course, the lighter the better, otherwise it is no different from covering a thick cotton blanket, which will make people breathless. Bo Leixiu found that the weight of the same volume of mulberry silk is smaller than that of tussah silk, which is determined by the difference of silk fibers. The diameter of mulberry silk fiber is 8 microns, while the diameter of tussah silk is over 70 microns, which is nearly 9 times that of mulberry silk.

Which is better, mulberry silk or tussah silk?

Both kinds of silk belong to protein fiber and contain 18 amino acids needed by human body. However, the internal structure of tussah silk is more complicated than that of mulberry silk, and there are certain gaps between fine fibers of cocoon silk. There is a big gap in the center of the fiber, which is equivalent to hollow, just like yak fluff, but mulberry silk does not. Its porosity is twice that of mulberry silk, and its "breathing" is stronger and its specific gravity is higher. This structure shows that tussah silk has better air permeability, hygroscopicity and stronger temperature and humidity control function. Warm in winter and cool in summer, lighter and fluffy, more suitable for quilt use.

Silk and human keratin and collagen are protein, and their structures are very similar. Therefore, it has good biocompatibility. Mulberry silk contains 18 kinds of amino acids with great nutritional value to human body, which is the most important raw material of silk fabrics. The clothes made are smooth and soft, full of luster, and have a unique "silk sound" phenomenon when rubbing, and have good ductility and heat resistance. Mulberry silk is more suitable for making clothes and the like.

Finally, what Bian Xiang Xiao tells you is that apart from the above differences, there are differences that everyone knows but doesn't understand. The colors of mulberry silk and tussah silk are different, because they belong to different biological families, so the cocoon of silkworm is transparent white and white. Tussah cocoons are dark brown and grayish blue. Ok, what's the difference between mulberry silk and tussah silk now? Here's the problem, I hope it will help everyone. Want to know more, please pay more attention to our Tuba rabbit.

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