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- Site：Home > Leather and Footwear Testing Instruments > SL-L21 Leather Fastness Tester
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Product informationLeather Fastness Tester is designed for determining the colorfastness of leather, plastics and textile materials.The colorfastness is assessed by checking change in color of the specimen and stain of the felt after rubbing the specimen. Both dry and wet tests can be made by this machine, which has the memory function.
Technical parmaetersSpecimen 120×20mm Stroke 35±2mm Test Speed 40±2cpm Extension of the spedmen clamping tension 0~20% Counter LCD 0~99,999,999 Dimension（W×D×H） 29×48×53cm Weight(approx.) 70kg Power 1∮ AC 220V, 50/60Hz,3 A Test Head 4 pcs
Testing StandardsISO-11640 SATRA PM173 QB/T 2537
What is color fastness test for leather?
This test is used to anticipate any colour deterioration that might occur due to exposure to light. It determines the resistance of dyeing under natural daylight on any type of textile or leather. The equipment used to perform the test is called a “Xenotest”, reproducing natural daylight (illuminating D65).
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