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Test Methods for Circular Locus Pilling Test Machine

The common test methods for deciding the piling performance of fabric are chamber piling method, martindale piling method, the elastic pad method, circular locus piling method and random tumble type piling method and so on. Each test method varies due to the difference of fabric materials, usages and product export places.The main methods used in each region are classified as follows:

 Martindale piling method - European market
Chamber piling method - European market
Random tumble type piling method - American market, including Japan and Canada
Circular locus piling method - Chinese market

 The wide range of the applicability of circular locus pilling method is the most common test method used in our country. Its corresponding Chinese standard is GB/T  4802.2. The instrument used in this method is cheap, simple in structure and easy to operate with relatively high recognition by its clients.
The basic test principle of Circular Locus Piling Test Machine:  in accordance with the specified method and the set test parameters, the fabric sample under certain pressure along with the circular locus starts abrasion with nylon brush for piling , and then rubs against  the fabric abrasive, or directly abrades with the abrasive for piling. Then, the sample will be taken down to compare with corresponding sample under the stipulated lighting condition for visual assessment of the sample's piling property. The rating is rated from grade1 to 5. Grade 5 is good, grade 1 is the worst, and half grade rating is allowed.

 Feature
Sample typepressure / cNNumber of fluff timesNumber of piling times
Synthetic fiber knitted fabric590150150
Chemical fiber woven fabric5905050
Military service (combed blended)4903050
Combed wool fabric7800600
Coarse wool fabric490050
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