Gester Instruments | Professional Textile, Footwear and PPE Testing Equipments Manufacturers Since 1997
Leather softness test method1
The leather softness test is a routine indicator for checking the comfort and quality of leather. Different indicators have different testing requirements. Here, we will briefly introduce the GB standard as an example. Experiment purpose: To determine the relative softness of leather. Experimental materials: genuine leather, artificial leather. Experimental equipment: leather softness tester. Sample three experimental conditions: experimental temperature: 23±2°C, RH 60±5% experimental steps: 1. Use a test ring with a diameter of 35mm on the test seat of the testing machine; 2. Use the metal plate equipped with the machine to zero the machine dial; 3. Press the sample into the In the test seat; 4. After the sample is pressed in, the pointer on the testing machine will change. After the pointer is stable, record the corresponding value (accuracy to 0.1mm); 5. Take the average value of the three different points tested Note : The distance between two adjacent test points is not less than 15cm. Diameter of the test ring: ∮=35 mm. The diameter of the shrinking ring is suitable for detecting shoe leather. The diameter of the test ring: ∮=25 mm. : ∮=20 mm The shrink ring is suitable for detecting leather for gloves or leather clothing. Report record: The report should indicate the sample form, the value of sample softness and the diameter of the test ring. Example: Sample Name: Brown Leather Quantity: 1 Piece Test Item Results Methods and Conditions Softness Test 1.90mm Temperature: 23±2℃ Test Ring Diameter: ∮=35mm More about Leather Testing Instruments: http://www.standard-groups.com/LeatherShoes/
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Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2.
Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A.
Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B.
Results are influenced by raw materials, yarn properties,
1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending.
2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability.
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