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目前显示的是 十二月, 2019的博文

Brief Introduction of Digital Tearing Tester

       The standard mannual   Elemendorf Tearing Tester  consists of a frame and pedestal, mounted on a rigid base, carrying a pendulum and pointer assembly. There are two clamps to hold the test sample, a fixed one on the pedestal part of the instrument and one on the pendulum. The dimensions of the clamping surfaces are at least 25 mm wide and 15 mm deep.       The pedestal is fitted with a low friction bearing having a horizontal axis upon which the pendulum is allowed to swing. The pointer fits on the same axial spindle as the pendulum, its friction is enough to stop it at the highest point reached by the pendulum when it swings. The pointer stop is adjustable to allow the instrument zero to be set. The base of the instrument is fitted with the pendulum release and pointer stop mechanisms. The pendulum is held in the initial position and the test is started by the release mechanism. The release mechanism is designed to let the pendulum swing freely without imparting any sh

Evaluation Test Of Clothing Decolorization With Wash Color Fastness Tester

       The fastness to washing apparatus generally for all kinds of the washing fastness of textiles, the fastness to dry cleaning, rinsing efficiency and wash fastness and washing powder, the fastness to dry cleaning test, high temperature can reach 95 ℃, and assess the performance of the fuel wash fastness test.       Double-cylinder wash color fastness tester can be used for washing, dry cleaning test. Dual cylinder separation, equipped with separate operation control panel, can carry out two different temperature experiments at the same time. Electronic light touch switch, LCD menu display, no mechanical contact, safe and reliable. The test frame drive is stable and reliable in exchange for washing cup. Equipped with 500ml and 1200ml water washing cups, each cylinder contains 24 cup slots (12 different sizes) to meet different test requirements. The heating pipe has no noise, long life and accurate temperature control. Wash fastness tester test steps: 1, sample, size of

Salt Spray Test Chamber For ASTM B117 Testing

      The Salt Spray test is performed not exclusively to test the erosion obstruction of tops, nuts, and fasteners yet in addition keeps the event of consumption, as it were, from metal items to improve the genuine working existence of the item. This test likewise makes a reasonable examination as far as erosion between the latches and jolts that are secured with a covered shield with the unprotected ones. Subsequent to playing out the consumption test on the example, it very well may be recorded effectively that the examples with a defensive shield are best for long haul utilization as looks at to that of uncoated ones.            The best gadget to play out the salt spray test is Salt Spray Tester . qinsun-lab offers premium quality and a wide exhibit of chambers that are utilized to test the erosion opposition capacity of the metals and related items. These instruments are planned according to the ASTM B117 standard test which is presented by global institutionalization expe

Scratch Testing with Multi-Finger 5-finger Tester

Many plastics have visco elastic properties and the stresses in the plastic may relax during loading. Plus, plastics demonstrate an elastic recovery after applied stresses are removed. For example, parameters such as scratch width, groove depth, displaced material and severity of the damage may change over time. Other issues that may affect the visual perception of scratches include the color of the sample, amount of strain whitening, scratch direction, lighting and viewing conditions, and the amount of time an observer is allowed to view the sample. The taber multi finger scratch/mar tester also known as the 5-finger scratch tester , this instrument is used to evaluate the scratch and mar resistance of resilient materials. A variable speed, pneumatically driven sledge is moved below five independent, weighted scratch "fingers" that are equipped with interchangeable scratch tips. Includes: spline shaft 'finger' assembly (5); scratch tip with 1.0mm diameter h