What are the quality inspection requirements for non-woven fabrics?
What are the quality inspection requirements for non-woven fabrics? With the increasing demand for non-woven fabrics in various industries, the use of non-woven fabrics is increasing, which is undoubtedly very important for the quality and safety of non-woven products. The big test is to ensure the quality of the non-woven fabric at this time, and it is necessary to carry out strict quality inspection on the non-woven fabric. In order to ensure that there will be no problems with the quality of non-woven fabrics, it is necessary to carry out strict quality inspection on the workshop before the start of construction, so that the quality problems existing in the production and processing of non-woven fabrics can be found in time.
1. Quality inspection requirements for non-woven fabrics:
1. The stretchability and wear resistance of the fabric.
2. The color fastness of the fabric after rubbing and the color fastness after washing.
3. Antistatic and burning properties of cloth.
4. Moisture regain, air permeability, moisture permeability, oil content and fabric purity.
2. Main testing items for non-woven fabrics:
1. Color fastness testing: color fastness to washing, color fastness to rubbing (dry, wet), color fastness to water, color fastness to saliva, color fastness to light, color fastness to dry cleaning, and color fastness to perspiration Color fastness, color fastness to dry heat, color fastness to heat pressing, color fastness to chlorine water, color fastness to brushing, color fastness to chlorine bleaching
2. Physical property testing: tensile breaking strength, tear strength, seam slip, seam strength, burst strength, anti-pilling, abrasion resistance, fabric density, weight, thickness, width , weft bias, yarn count, moisture regain, single yarn strength, appearance after washing, dimensional stability
3. Functional testing: air permeability, moisture permeability, combustion performance, waterproof performance (hydrostatic pressure, splashing water, rain), electrostatic testing
4. Chemical performance testing: PH value determination, composition analysis, formaldehyde content, azo test, heavy metals.
In order to prevent various quality problems of non-woven fabrics, non-woven products must have strict requirements during quality inspection. First of all, we must ensure the quality of raw materials, and at the same time, we must continuously improve and improve the production and processing technology level of non-woven fabrics. , the only way to ensure that there are no quality problems!
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