A-class fabric is just a safety standard. Any fiber with good processing technology and strict material standards can meet A-class standards. Therefore, it is not directly related to the fiber composition of cotton, polyester, and linen. Therefore, people should not blindly think that A-class is all cotton fabric, and B-class does not mean that the fabric is B-class. Below is a detailed explanation for everyone
The national standards for textile fabrics have mandatory classifications, which can be divided into three categories: ABC, with Class A fabrics being the most demanding. We specialize in providing fabrics for the production of baby clothing, specifically for infants under 36 months old, which can be used to produce products such as baby socks, underwear, diapers, and pajamas. B-class fabrics are used to produce close fitting textiles (directly in contact with the skin), such as shirts, underwear, bed sheets, duvet covers, etc., while C-class fabrics refer to fabrics that do not directly contact the skin and are usually used for products such as coats, pants, curtains, etc.
The mandatory national standard GB 18401-2010 National Basic Safety Technical Specification for Textile Products
Class A standard: Textile products for infants and young children, mainly suitable for infants and young children under 36 months old.
Class B standard: Direct contact with skin products.
Class C standard: Non direct skin contact products.
From the table above, it can be seen that the safety standards for textile products are increasing from C to A, with higher and higher technical requirements.
The biggest difference between Class A products and Class B and C products is their saliva color fastness. After all, this type of product requires direct contact with infants and young children, and its formaldehyde content requirement is much lower than the other two grades.
Not only cotton can be made into A-class fabrics, but A-class as a safety standard, any fiber with good processing technology and strict material standards can meet A-class standards, so it has little to do with fiber materials such as cotton, polyester, and linen.
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In order to ensure that the fabric meets Class A standards, less dye is used during printing and dyeing, resulting in lighter and less vibrant colors, which makes it less likely to fade. Meanwhile, due to the use of fewer fixatives, their formaldehyde content is relatively low, making direct contact with the skin healthier.
If there is a baby under 3 years old at home and their skin is sensitive during this period, it is best for mothers to purchase clothes and bedding made of A-class fabrics to prevent skin allergies. Normally, B and C type clothes can also be worn after the age of 3, but close fitting clothing and bedding must at least meet the requirements of Class B.
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Before 2010, most textile dyes were used as direct dyes for fabrics, with some negative products such as aromatic ammonia and formaldehyde present. Moreover, the color fastness and pH value of dyes were not ideal at that time, and there were not many textile fabrics that could meet Class A standards. With the continuous advancement of printing and dyeing technology, modern dyes are very environmentally friendly, and aromatic ammonia, formaldehyde, and other substances are almost non-existent. The above graphic and textual data are the lowest standards and levers for textile products. In fact, most formal textile factories now produce fabrics that are superior to these data. There is almost no difference between Class A and Class B, and Class C fabrics have little impact on intimate home textile bedding.