How to Know the ISO 11641 Colour Fastness to Perspiration for Your Projects There are millions of effective sweat glands on human skin, with more sweating on the forehead, armpits, forehead, back and palms of the hands; therefore, garments such as shirts, T-shirts and other clothing often worn in summer will show serious color fading in these areas. Clothing with unqualified color fastness is pron...
Bennewart Method: EN Sole Flexing Tester GT-KB06 A shoe sole may wear out and crack or break due to the strain generated by the flexing action of the foot. Cracking or fracturing can also occur from sharp edges cutting notches and punctures, which will gradually turn into cracks during continuous flexion. It is therefore important to test the flex-crack resistance of shoe soles, and the Bennewart ...
Understanding the Circular Rubbing Colour Fastness Tester: Principle, Features, Operation This Circular Rubbing Colour Fastness Tester is used for assess colored materials friction damage and surface color transfer. It is suitable test the upper materials, such as leather, plastics and fabric etc. Principle Under constant pressure condition, rubbing can be carried out in dry or wet circle wool fel...
Understanding Sanitary Napkin Water Absorbency Tester GT-CN20 In the sanitary products industry, the absorbency of sanitary napkins is one of the most critical quality metrics. In order to ensure that sanitary napkins can meet the needs of consumers and comply with the relevant standards, manufacturers and third-party testing organisations need to evaluate them with the help of professional testin...
Comprehensive Testing of Insole Materials: Thickness, Flexing Index, Abrasion, and Water Absorption/Desorption Insoles are a critical component in footwear that directly contacts the foot, providing comfort, support, and cushioning. To ensure the comfort, safety, and durability of insoles, a series of tests must be conducted. Testing Items The testing items for insoles primarily include the follow...
The Elmendorf Tearing Strength Tester: A Complete Guide The Concept of Tear Strength Individual yarns in a fabric tear under stress concentration in the remaining fabric, which is referred to as the tear phenomenon of the fabric. For example, when a fabric is grabbed by an object, the local yarns will be forced to tear. Or part of the fabric is fixed and torn into two halves. Typically, tear perfo...
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