ASTM D4157 Textile Abrasion Tester Sample Preparation

Swing Textile Abrasion Tester Conforms to ASTM D4157 standard and is suitable for testing the abrasion resistance of fabrics, as a reference for improving fabrics. Test principle: install the strip-shaped sample cloth on the front and rear attachments of the friction head and apply a certain tension, install the friction medium on the arc-shaped friction table, make the sample contact with the friction medium, and apply a certain load to the sample. The friction table swings back and forth to rub the sample, and after a certain number of rubs, the change of the breaking strength of the sample is evaluated. ASTM D4157 Textile Abrasion Tester Sample preparation before the test: 1. Prepare the test piece: 1. Sampling: Take a sample - take a roll of fabric as the sample unit, in the available Randomly select a roll of the raw materials, or take a sample agreed between buyer and seller. Laborlaboratory sampling - after removing the outer part, the origiThe final sample roll must be at least 1 m long and the cut sample part must be at least 50 cm from the outside. Sample - cut 12 samples, the long side of the sample is parallel to the warp of the fabric and 6 pieces in the weft direction. Do not cut two samples from the same warp or weft portion of the woven fabric. If there is a pattern on the sample, the sample taken should be able to cut the features of the sample. 2.2 It should be cut in the two directions of the long side of the fabric and the banner. Example, the sample should be cut from the long side of the fabric and the diagonal direction of the banner to show the features of the entire fabric. 2.3 Lock the edge of the sample to prevent entanglement. 2.4 Sample Adjustment: The sample must be in standard adjustment to balance underatmospheric conditions, and the weight of the sample does not change more than 0.1% every two consecutive hours. 2.5 The prepared sample should be tested for fragility length on a tensile strength testing machine to obtain the strength of the sample before the abrasion test. Breaking strength A.

Auxiliary products and consumables: 1. #10 cotton cloth (sold separately): mass per unit area 500±25g/m^2, plain weave, fabric density 41±1end/in* 28±1 pick/in 2. Wire mesh 3. Abrasive paper (sold separately): 50 #, used for grinding rubber friction head One end of the suction line is opened inside the housing and the other end is opened outside the housing.)

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