Recently, the Gusu District Market Supervision Administration and the Twin Towers Street united together, and invited experts brought quality knowledge into the community, attracting more than 70 community residents to come to make up classes.
It is not uncommon for chemical fibers to pretend to be silk. How to identify? Experts from the Suzhou Silk Museum have taught you a few tricks: First, the eyes: the surface of the silk is bright and soft, the surface of the silk is bright, but not soft, and there is "Aurora". The second is the hand touch: the silk feels soft and smooth, and there is a handle when the hand is applied to the silk; the silk feels slightly harder. Relatively dry silk, when the hand is pinched, the silk will sound like a snow when rubbed against each other, commonly known as silk. The third is combustion: a bundle of silk yarn is taken from the broken edge of the fabric and ignited with a match. The silk fiber burns slowly, first curling into a mass, emitting a smell similar to the burning of hair or poultry hair. After the tow leaves the flame, it stops burning, and it is dark brown and small spherical, and the hand pressure is broken into powder. Polyester fiber has a sweet taste when burned, and the residue is hard and black, and the hard block is not easily crushed. Cellulose fiber filaments such as viscose have a burning sensation when burned, and the residue is a little grayish white ash.
In addition, the quality control experts remind consumers to pay attention to three points when buying jewelry: to buy in a reputable store; to carefully check the product identification, request an invoice, the name, quantity and quality of the goods on the invoice must be Purchase the goods consistently; must obtain the identification certificate or grading certificate from the merchant.