Summer is hot and it's time to show off. Short skirts and hot pants became the first choice for many girls. In order to make the legs look perfect, many girls are accustomed to wearing rompers. Is there any relevant quality standard for pantyhose stockings?
1. Does China have a product standard for the quality of pantyhose? What are the criteria for quality inspection of tights? What are the important quality indicators or testing items? What are the precautions in the test?
At present, the applicable standards of pantyhose products in China mainly include FZ/T 73001-2008 "socks", FZ/T 73054-2015 "warm socks", FZ/T 73048-2013 "knit toe socks", FZ/T 73041- There are 4 warp-knit socks in 2011 and there is no national standard.
The quality inspection of pantyhose is mainly based on the following four product standards in addition to the above-mentioned GB 18401-2010 "National Basic Safety Technical Specification for Textile Products", GB 5296.4-2012 "Consumer Product Instructions-4: Textiles and Apparel" And other mandatory standards.
Pantyhose testing requirements are divided into two aspects of appearance quality and internal quality, appearance quality, including size, surface defects, sewing requirements; inherent quality include: straight lateral extension, washing fastness, acid and alkali sweat Color fastness, color fastness to water, color fastness to dry and wet rubbing, color fastness to saliva, fiber content, odor, etc.; chemical properties: formaldehyde content, pH value, decomposable carcinogenic aromatic amine dyes and other indicators.
With the current popularity of warm thick pantyhose (if you do not look thick, open the maximum when you see the fabric gap, inside the flesh pantyhose showing a very fluffy hair), in addition to considering the nominal In addition to the functional indicators, the FZ/T 73054-2015 "warm socks" standard, which began on January 1, 2016, also includes the assessment of the highest temperature difference, water absorption, and moisture permeability.
2. What are the common quality problems in pantyhose products? What are the adverse effects of these problems on the wearer?
The common quality problems and corresponding adverse effects of pantyhose products are as follows:
(1) The fiber content does not meet
There are three main situations: the labeling of the product's fiber name is not standardized; the type of fiber labeling does not conform to reality; the deviation of the nominal fiber content from the measured value is beyond the allowable range of the standard. The inconsistent fiber content gives consumers the most intuitive experience of buying high quality products at the same time, and at the same time affecting the comfort of the wearer.
(2) Straight and horizontal extensions fail
Pantyhose's vertical and horizontal extension exceeds the standard, affecting fit and comfort.
(3) Unsatisfactory color fastness
Color fastness test 4 washfast, perspiration-proof, water-resistant and rub-fastness (Baby's and children's products are also required to evaluate the colour fastness to saliva). Failure of the color fastness directly affects the appearance of the product and the health and safety of the human body. Products with poor color fastness tend to fall off and fade when exposed to water, perspiration or rubbing against each other. In the process of walking, the feet are prone to sweating, and the exfoliated dye molecules may be absorbed by the human body and endanger the health.
(4) The pH is not qualified
The pH of the product exceeds the national mandatory safety standards. The main reason is that the tightness of acidity and alkalinity of pantyhose is not properly controlled, and the finished product is not evaluated for safety. Socks are too high or too low pH, will destroy the body's acid-base balance, on the human skin have different levels of irritation or damage, bacteria will be more easily into the human body, so that the body's ability to resist external bacteria, have Harmful to health.
3. For consumers, what are the tips for choosing a quality tight pantyhose?
Select brand
Consumers should give priority to buying products from famous enterprises and large-scale enterprises. At the same time, they should pay attention to the results of various types of spot checks announced by the quality inspection department. Do not purchase the same batch of products produced by unqualified companies in the announcement, and carefully select multiple unqualified companies for random inspections. Produced product.
Size code
The size of the pantyhose is indicated by the sock number, and the sock number is based on the actual length dimension of the sock bottom. Therefore, consumers should be optimistic about the size of the label on the product packaging when purchasing, and choose according to their actual situation. . It is recommended to use the same length or slightly larger size as the foot. It is not advisable to choose a small one. Pantyhose is too small, too tight, too loose, etc. It is easy to cause uncomfortable wearing and affect the appearance.
Look at the logo
For products with relatively complete identification, the relative quality consciousness of production enterprises is also strong. Consumers need to see the relevant information on the label of pantyhose, including: manufacturer's name and address, product name, type or specification, fiber composition and content, maintenance methods, implemented product standard, safety category, product quality grade Wait. The general information is richer and more complete, the better, do not buy the above products with no or incomplete identification, especially pay attention to see if the product provides the logo and conformity with the national mandatory standard GB 18401-2010 "National Textile Product Basic Safety Technical Specification". Textile safety technical requirements category identification.
Knowledge component
Pantyhose is mainly woven from spandex and chemical fiber filaments. There are two main types of pantyhose. Consumers need to choose products with higher relative spandex content. At the same time, nylon stockings and stretch nylon stockings have better strength and wear resistance. Polyester stockings also have the advantages of being fluffy, soft, elastic and warm.
Visual appearance
The quality of the pantyhose with a smooth surface is smooth, the mouth is flush with no incline, the acupuncture tissue is clear, and the patterns, socks and socks are not exposed. The density of the fabric is uniform, the color is pure, and the shaping and shaping are good. Consumers should check the symmetry of various parts of the product and observe whether there is a needle hole in the seam. Because the knitwear has strong dissociation, once the needle hole appears, it will quickly form a hole and affect the use of the product. In addition, rub the dark pantyhose with a paper towel on the sock surface to see if the fade is obvious and do not purchase the product that fades significantly.
Smell smell
According to the national standard GB 18401 "National Basic Technical Specifications for Textile Products," the provisions of the product does not allow the presence of musty, high boiling range oil flavor, fish flavor, aromatic odor in one or more of several. When consumers purchase pantyhose, they can open the package under the conditions allowed by the manufacturer or dealer, and carefully smell the product with the aforementioned odor. If there is, the product is unqualified and should not be purchased.
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