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Home  >>  Products  >>  Abrasion  >>  Sutherland Ink Rub Tester
Improved SUTHERLAND® Ink Rub Tester

SUTHERLAND® has been the industry standard in abrasion testing since 1951 and the instrument used in establishing the original ASTM D5264, ASTM F1571 & TAPPI T830

Sutherland Ink Rub Tester

The tester is a motor driven instrument for moving a weighted test strip over a printed specimen through an arc. The SUTHERLAND® Rub Tester has been redesigned to improve its operation. James River's corporate research and development laboratories did extensive testing of the SUTHERLAND® Rub Tester. The result of this work is an affordable abrasion testing instrument that retains all the features that made it an industry standard plus improvements that ensure it will remain the industry standard.

The stroke of the tester has been shortened which increases the precision and more closely simulates abrasion damage found in the field. James River research and other published work in the print abrasion testing arena have shown that quick strokes simulate some types of rub damage (most notably shipping damage).

 
Illustrated is the SUTHERLAND® Rub Tester showing two-pound and four-pound weights to which test specimens are attached and the scoring device.

The upper receptacle of the timer is for remote timer control. The lower receptacle is the same voltage as the instrument. 110 volts single phase is standard. 220 volts optional at extra cost.



FEATURES MORE INFO ACCESSORIES VIDEO PRICE LIST
 

 

Features

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The SUTHERLAND® 2000™motor now has four speeds; the first speed (21 cycles per minute) is half the speed as the older models, which will make the "wet" tests, and tests using under 5 strokes easier to perform. The second speed (42 cycles per minute) and third speed (85 cycles per minute) are the same as the older models, while the fourth speed (106 cycles per minute) is faster. These new improvements will allow the customer the ability to customize the testing procedure more to their individual product, yet maintaining the ability of duplicating a procedure used by someone with an older model unit. The higher speeds will reduce the long test times needed for certain types of substrates (plastics, UV varnished, printed films, etc.).

The SUTHERLAND® 2000™ incorporates a digital counter with a fiber optic sensor to ensure the accuracy of the number of rubs for a given test. Simply enter the number of rubs desired and the instrument will stop automatically at exactly the correct number of strokes.


A single mounting pad for the test strip is now cut to fit the weight. It was found that precision of the test is increased by using a 2 inch (5 cm) by 4 inch (10 cm) pad on the bottom of the weight . Two pound and four pound weights and scoring fixture are included.

A supply of 80 x 80 count bleached muslin cloth (cloth not included) has been found useful in testing wet smear, wet rub, and wet bleed. The Sutherland Rub Tester is designed to evaluate the scuffing or rubbing resistance of the printed or coated surface of paper, paperboard, film, etc. The test results are reproducible.

The following tests may be made with the instrument:

  • Dry Rub
  • Wet Rub
  • Wet Bleed or Transfer
  • Wet Smear
  • Functional Rub

 

More Info

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The test requires two pieces of stock, the printed test specimen and a test receptor, which is usually unprinted. Cut a test specimen, approximately six by three inches, representing average ink lay and coverage. When the printed area permits, the six inch direction should be cut across the grain of the sheet, but must not cross pressed or cut scores.

Prepare test strips of unprinted material from the same shipment of stock used in printing the test samples. Cleanly cut 2 x 7 inch strips for the four-pound weight are prepared by placing a strip face down against the end pin of the scoring device and scoring the strip at the white dot positions to facilitate bending the strip to conform to the test block.

To prepare samples for the two-pound weight, 2 x 5-1/4 inch strips are placed face down against the end pin of the scoring device and score at the red dot position to facilitate bending the strip to conform to the test weight.

 

Optional Accessories

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Heated Weight

Designed for use with the SUTHERLAND® Ink Rub Tester

This heated weight provides a uniform test for evaluating the "hot abrasion" resistance of printed cartons, labels and periodicals. Where required, rub resistance specifications may now be based on number of strokes at a given temperature as well as pressures.

 

Video

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Price List

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Two-pound weight, four-pound weight, and a scoring fixture, calibration certificate, picture tutorial, and manual.

AB-0103 Complete instrument 110 volt, 60 cycle, 1 phase, four speed $4,220.00
AB-0106 Complete instrument 220 volt, 50 cycle 4,480.00
Note: Surge Protector is required with this product. (Not Included)
Optional Accessories
AB-0112 Heated weight (optional) 2 lbs 1,185.00
AB-0114 Heated weight (optional) 4 lbs 1,185.00
AB-0147 Stainless steel hold down bracket (to secure base test specimen) 110.00
Additional accessories and replacement parts are available.
Replacement Pads
AB-0121 New Style: 1 pad (base) 2-5/8" x 6" and 2 pads (weights) 2" x 4" 38.00
AB-0123 Old Style: 1 pad (base) 2-5/8" x 6" and 4 pads (weights) 1" x 2" 64.00
AB-0125 Base Pad (2 5/8" x 6" black rubber pad with adhesive back) - 3/box 70.00
AB-0129 Silicone Pad (for heated weight) 74.00
AB-0135 2 lb Weight Replacement 359.00
AB-0136 4 lb Weight Replacement 456.00
Note: For optimum results, pads should be changed every six months.
Reference: "The Improved SUTHERLAND® Rub Tester" by Dr. Bruce Blom, Senior Research Fellow, Mead Central Research Laboratories, Chillicothe, OH
Because of the simplicity of the tester, it is currently being evaluated as a means for assessing the drying, degree of cure, and solvent resistance of inks as part of ASTM's subcommittee D-01.56 on printing ink activities.



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