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PosiTest AT - Adhesion Tester
This hydraulic pull-off tester measures the adhesion (bond strength) of coatings to metal, wood, concrete and other rigid substrates. Now available in 2 models . . . Manual or Automatic. Kit comes complete with everything needed to perform tests with 20mm aluminum dollies.
Both Models Feature . . .
·+/- 1% accuracy
·Internal memory stores maximum pull-off pressure, rate of pull, test duration and dolly size for up to 200 pulls
·Self aligning dolly enables accurate measurements on smooth or uneven surfaces
·Range: 0 - 3000 psi (0 - 20 MPa) with included 20mm dollies (20)
·Optional 50 mm Accessory Kit pulls larger dollies for greater resolution. Ideal for lower bond strength finishes such as on concrete. Range 0 - 500 psi (3.5 MPa)
·Optional software and RS232 cable for downloading to a PC
·Includes carry case, epoxy, cutting tool, video, and Calibration Certificate
PosiTest AT Manual
.Heavy-duty manual hydraulic pump designed to apply smooth and continuous pull-off pressure with a single stroke
.Pull Rate Indicator to manually monitor and adjust the rate of pull
PosiTest AT-A Automatic
.New electronically controlled hydraulic pump automatically applies smooth and continuous pull-off pressure at a user-specified rate
.Test with the simple push of a button. No twisting, pumping, cranking. No valves to close, needles to reset, or scales to adjust
.User selectable pull rates ensure compliance with international test methods for a variety of industries
. Built-in rechargeable batteries perform over 200 tests per charge. Continue testing with AC power while batteries recharge. Supplied with universal AC adapter
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he Lab Master Probe Tack Tester is designed for precise measurement of adhesion, tack, quick stick and cohesion. Force is measured to 0.1 gram resolution and 0.02% full-scale accuracy. Thousands of data points per test are used to generate force/distance curves that reveal material behavior during test.
APPLICATIONS
Adhesives, Tapes, Pressure Sensitive Labels, Glue, Coatings and Seals
SPECIFICATIONS
* Meets ASTM D 2979
FEATURES
* User-selectable contact pressure, position, rate of separation, and duration of test
* Display test results as numbers and curves
* Graph test results and display calculated values
* Configure for R&D analysis or one-touch automated process control
* RS-232 output
* Includes Windows operating system and touch screen flat panel display in a compact, network-ready unit
* Innovative design (patent pending) maintains accuracy over changing loads and frequent use
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The Lab Master Loop Tack Tester is designed for precise measurement of adhesion, tack, quick stick and cohesion. Force is measured to 0.1 gram resolution and 0.02% fullscale accuracy. Thousands of data points per test are used to generate force/distance curves that reveal material behavior during test.
APPLICATIONS
Adhesives, Tapes and Pressure Sensitive Labels
SPECIFICATIONS
Meets ASTM D 2979
Force
Range & Resolution 2270 gf x 0.1 gf
Measurement Accuracy ±0.5 gf or 0.5% of reading
Control Accuracy ±0.68 gf steady state
Position
Range & Resolution 160 mm x 0.1µm
Measurement Accuracy
(cumulative) ±1.0 µm, ±1.0 µm/60mm
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The Digital Ink Rub Tester is designed to measure scuffing or rubbing resistance. Several tests can be performed
including dry rub-the amount of transfer ink from one dry surface to another, wet rub-the amount of transfer of ink from wetted surface to another, wet bleed or transfer-ink transfer to a water-saturated blotter, wet smear-similar to wet bleed with the addition or rub cycles, functional rub/wet rub-smear or transfer tests using a liquid other than water and hot abrasion. An optional heated weight provides a uniform test for evaluating “hot abrasion” resistance of printed cartons, labels etc.
APPLICATIONS
Printing, Coatings, Packaging, Inks
SPECIFICATIONS
* Includes (1) 1.8 kg(4 lb) weight, (1) 0.9 kg(2 lb) weight, spare rubber pads, and scoring fixture
* Heated weights 2 lb and 4 lb available
* Replacement Pads available
STANDARDS
Meets TAPPI T-830 and ASTM D5264
* ASTM D5264 Standard Practice for Abrasion Resistance of Printed Materials
* TAPPI T-830 Ink rub test of container board
FEATURES
* Three speeds- The standard speed (42 cycles per minute) and two higher speeds (85 and 100 cycles per minute) allow you to decrease the testing time for samples requiring a higher number of rubs
* Large character LCD Display
* Displays count up, count down, test status and configurations
* Preset counts remain in memory
* Automatic shut-off
* Selectable “test complete” alarm
* Two-year warranty
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Adhesion Test Apparatus, Model 525
for Pull Off Tests
To measure adhesion of coatings in accordance with ASTM D 4541 by pulling off stuck on dolly. Robust unit requiring no electrical supply and therefore particularly suited to application in the field. Complete test case with necessary accessories. 3 versions for measuring ranges 5/10/25 N/mm2.
Adhesion Test Apparatus, Model 525-B
Special pull off test instrument version for concrete surfaces with 50 mm diameter dollies and measuring range up to 4.5 N/mm2.
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With the S-20 Tungsten Carbide Tool, Taber's Shear/Scratch Tester can evaluate coating adhesion on a variety of materials. A precision cutting tool is attached to a balanced and calibrated scale beam, then placed on the specimen. As the turntable rotates the specimen, the cutting tool will shear the coating, allowing you to verify proper adhesion. By changing the load on the cutting tool, you can determine the point of failure.
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TABER's Linear Abraser was designed to test virtually any size or shape specimen and is especially useful to evaluate ink adhesion of decorated plastics or other products. This versatile instrument can also be used to evaluate material properties including resistance to wear, scratch (single or multiple pass), marring, scrape, color transfer [commonly referred to as crocking or a crockmeter], plus others. With the universal or a custom attachment, 'real world' testing and other forms of material durability can be performed.
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