1. Appearance quality
1.1 the cloth surface shall be uniform and flat without obvious creases, broken edges, holes and oil stains, and shall be rolled neatly. The width shall be in accordance with the contract and agreement. The width deviation shall be in accordance with table

1.2 pollution: the product should be dry, clean and free from oil, insects, dust, metal powder and other pollution
1.3 hard block / stiff wire: no more than 10 pieces per 1000 meters, each with an area of no more than 4cm2, and continuous hard block / stiff wire is not allowed
1.4 micropore: refers to the hole similar to the size of pinhole on the surface of the product For products used for hygiene and medical treatment, micropores are not allowed
1.5 odor: no abnormal odor is allowed
1.6 holes / tears / cuts: no holes / tears / cuts are allowed
1.7 net turning / folding: no more than 10 per kilometer less than 5cm wide; If the width is greater than 5cm, there shall not be more than 1 per kilometer
1.8 crease: continuous dead crease is not allowed
1.9 unreinforced area: it is not allowed to have more than 5 connected pressure point defects.
1.10 appearance of cloth roll: it shall be clean and tidy without rotten edges and visible defects
1.11 joints: materials for diapers / sheets and women's sanitary napkins. The number of joints per cloth roll shall not exceed 1 per 1000 meters

2. Test method

2.1 appearance inspection shall be conducted with normal sensory inspection under sufficient light and measured with a straight edge or steel ruler with an accuracy of 1mm
Inspection of physical properties
2.2 the mass per unit area shall be determined according to FZ / T 60003-1991.
2.3 the determination of breaking strength and elongation shall be in accordance with FZ / T 60005-1991.
2.4 hydrostatic pressure resistance shall be measured according to GB / T 4744-1997.
2.5 the air permeability shall be measured according to the provisions of GB / T 5453-1997. The test head of 20cm2 shall be selected, the pressure difference of 100Pa shall be set, and the measurement unit of L / m2 / s shall be selected.
2.6 choose one of the following methods to measure the width according to the contract or agreement.
Use a steel tape to measure the width of the coil, which is the width of the changed coil, accurate to 1mm. 5.2.5.2 unwind to make the fabric loose. At least 5m away from the coil head, use a rigid tape to measure the width at least 5 places, accurate to 1mm. Calculate the average value (keep integer digits) as the width of the revised volume.