TABER ABRASER

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TABER ABRASER

Taber Abrasion is used to determine relative resistance to abrasion defined as ‘the ability of a material to withstand mechanical damage’ such as rubbing, scraping or erosion.

The Taber Abraser is an industry standard used in the wear and durability testing of parquet, metals, leather, textiles, rubber, lacquered surfaces, carpets, coatings etc..
Single or dual versions available. A wide range of accessories and options is available.
Complies with virtually all relevant international standards such as Normen:
EN 438-2 • EN 660-2 • EN 13329:E • EN 13672 • EN 13696 • EN 14431 • EN 14864 • EN ISO 5470-1 • ASTM D1044 • ASTM D3389 • ASTM D3730 • ASTM D3884 • ASTM D4060 • ASTM D4685 • ASTM D4712 • ASTM D5146 • ASTM D5324 • ASTM D6037 • ASTM D7255 • ASTM F362 • ASTM F510 • ASTM F1478 • BS 3900 • DIN 52347 • DIN 53109 • DIN 53754 • DIN 53799 • DIN 68861 T2 • ISO 7784-2 • ISO 9352 • TAPPI T476 • NEN 1857 • ...

TB0156

Taber 5135 Single Head Abraser Set

TB0157

Taber 5155 Dual Head Abraser Set

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TABER SHEAR SCRATCH TESTER

Motorised instrument for testing the resistance to scratching of materials. A sample plate rotates while a conical diamond point is pressed on the sample plate. The relation between the depth of the scratch and the applied (pre-set) pressure indicates the hardness.

TABER STIFFNESS TESTER

The TABER® Stiffness Tester is used to assess material stiffness and material resiliency. The TABER® Stiffness Tester provides accurate test measurements to ±1.0% for specimens with a thickness of 0.004" to 0.219". With the TABER® Stiffness Tester materials such as paper products, cardboard, plastics, textiles, metals, felts, tubing, wire, rubber and other sheet materials can be evaluated. Incorporated in the TABER V-5 Stiffness Tester is a bi-directional pendulum weighing system. Providing an accurate and responsive method for measuring small load increments, this system is a critical component for determining material stiffness or resiliency. Nine (9) distinct ranges permit testing of materials that are extremely lightweight and flexible (such as cellophane or thin metallic foils) to items that are very rigid (such as plastics). For test ranges 2 - 9, specimens are mounted on the Taber V-5 Stiffness Tester using a clamping system. Located on the pendulum, the lower faces of the specimen clamp jaws are exactly on the center of rotation. This ensures a constant test length and deflection angle for accurate and repeatable results. Both jaws of the specimen clamp are adjustable, so the test specimen can be positioned precisely in the center regardless of material thickness. Force is applied to the lower end of the specimen by a pair of rollers. The rollers, which are attached to a driving disc located directly behind the pendulum, push against the test specimen and deflect it from its vertical position. The pendulum applies increasing torque to the specimen as it deflects further from its original position. Note: The right hand roller includes a ratchet stop mechanism that greatly reduces the potential for inter-operator error caused by over or under-tightening. The travel on the right hand assembly automatically stops when the roller contacts the specimen. To allow the testing of materials with different stiffness properties, range weights can be applied to the Pendulum. For extremely light weight materials, a compensator range weight is mounted to the top of the pendulum. , range weights. Range weights of 500, 1000 and 2000 "Taber Units" are mounted to the bottom of the pendulum and required for stiffer materials. An optional range weight set of 3000 and 5000 Taber units is required for test ranges 7, 8 and 9. The test point reading occurs when the pendulum mark aligns with the appropriate driving disc mark (7 1/2° or 15°), which points to the stiffness reading on the dial point. The final reading will depend on the range in which the test is being conducted (which dictates instrument set-up and the appropriate scaling factor to use). The instrument outputs the moment load applied to the test specimen in TABER Stiffness Units (g · cm). Range 1 is used to test extremely lightweight and flexible materials whose Taber Stiffness Unit value is between 0 - 1. An optional Sensitivity Range Attachment (also referred to as SR or High Sensitivity Attachment) is used. A specimen 1 1/2" x 1 1/2"is mounted between a set of pin holders, which replace the rollers. The specimen is only deflected to the right.

TABER OSCILLATING ABRASION TESTER

The Taber® Oscillating Abrasion Tester – Model 6160 is also known as an “oscillating sand tester”. Described in ASTM F735, The Taber® Oscillating Abrasion Tester is used to measure the resistance of a material to surface abrasion and scratching. Its primary application is for transparent materials and coatings in lenses and windows. However it can also be used to evaluate materials such as organic coatings, plastics, metals etc. Rigid specimens that are 100mm square and less than 12.5mm in thickness are mounted in a holder located in the bottom of a sand tray so the surface is flush within 1mm. The tray is filled to a uniform depth (e.g 12.5mm) with a standardized abrasive media such as quartz silica or alumina. A scotch-yoke drive system reciprocates the tray in a back-and-forth (to-and-fro) motion which causes the entire mass of the abrasive media to shift significantly within the tray. The oscillating movement of the abrasive media results in a random pattern of scratches which simulates normal everyday wear. Test parameters can be altered with Taber's Oscillating Sand Abrasion Tester, and allow the operator to select the operating stroke length (6.5 to 150 mm) and speed (variable from 100 - 200 cycles per minute). ASTM F735 specifies the sand tray travels a distance of 100mm at a speed of 300 strokes per minute. In addition to the dry abrasion test, the oscillating sand abrasion tester may be used with abrasive slurry to perform erosion tests. For this application, the optional 4 inch deep tray is suggested along with a specimen tray cover. In place of the abradant, a slurry would be used (e.g. 50 - 50 mixture of solids and distilled water). The abrasivity of the slurry is dependent on the concentration of the solids in the liquid vehicle, along with the characteristics of the solid particles (shape, hardness, size, and friability). Using a custom specimen holder (not supplied), materials of various shapes may also be tested. To generate useful data, it is important to recognize that the amount and force of abrasive media that contacts the specimen surface will change based on the curvature of the part. Specimens with a severe contour may inhibit the movement of the abrasive media during the test. An optional kit is available to conduct the Bayer Abrasion Test on contoured lenses. This set-up involves testing a specimen against a control lens for comparative purposes. Rigid specimens that are 100mm square and less than 12.5mm in thickness are mounted in a holder located in the bottom of a sand tray so the surface is flush within 1mm. The tray is filled to a uniform depth (e.g 12.5mm) with a standardized abrasive media such as quartz silica or alumina. A scotch-yoke drive system reciprocates the tray in a back-and-forth (to-and-fro) motion which causes the entire mass of the abrasive media to shift significantly within the tray. The oscillating movement of the abrasive media results in a random pattern of scratches which simulates normal everyday wear. Test parameters can be altered with Taber's Oscillating Sand Abrasion Tester, and allow the operator to select the operating stroke length (6.5 to 150 mm) and speed (variable from 100 - 200 cycles per minute). ASTM F735 specifies the sand tray travels a distance of 100mm at a speed of 300 strokes per minute. In addition to the dry abrasion test, the oscillating sand abrasion tester may be used with abrasive slurry to perform erosion tests. For this application, the optional 4 inch deep tray is suggested along with a specimen tray cover. In place of the abradant, a slurry would be used (e.g. 50 - 50 mixture of solids and distilled water). The abrasivity of the slurry is dependent on the concentration of the solids in the liquid vehicle, along with the characteristics of the solid particles (shape, hardness, size, and friability). Using a custom specimen holder (not supplied), materials of various shapes may also be tested. To generate useful data, it is important to recognize that the amount and force of abrasive media that contacts the specimen surface will change based on the curvature of the part. Specimens with a severe contour may inhibit the movement of the abrasive media during the test. An optional kit is available to conduct the Bayer Abrasion Test on contoured lenses. This set-up involves testing a specimen against a control lens for comparative purposes.