Sutherland Rub Tester / Ink Rub Tester ( Linear Rub )

Ink Rub Tester (also known as the Sutherland Rub Tester), is used to test printed substrates such as plastic films / foils / labels / papers or paper boards for resistance to scuffing / rubbing / smudging when 2 samples are rubbed against each other in a linear motion, under a defined pressure, at a defined speed for a defined number of rubs.

High Rub Resistance = Good Quality Print

Suitable for : Printed Duplex Boards, Labels, Plastic Films, Laminates, Paper, Foil or any thick or thin material in sheet form.

Confirms to : TAPPI T-830 / ASTM D-5264

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Ink Rub Tester / Sutherland Rub Tester (Linear Type)    QXT Series

The Ink Rub Tester or Sutherland Rub Tester is used to evaluate Abrasion Resistance of printed substrates.

Abrasion resistance is a desirable and sometimes critical property of printed materials. Abrasion damage can occur during shipment, storage, handling and end-use. The result is a significant decrease in product appearance and legibility of product information. The amount of abrasion damage to a printed surface is dependent on shipping, handling, temperature and humidity conditions, storage time and many other variables.

This equipment is meant for flexible as well as semi-rigid substrates like Plastic Films / Laminates / Paper Board / Duplex Board / Aluminum Foils, etc.

Principle :

In this machine, 2 samples of the same (or different) substrates are rubbed against each other in the same plane (in linear direction), under a fixed pressure (user-settable) and at a fixed speed (user-settable).

Method of rubbing :         Linear Rub (Left-Right Motion)

Ink Rub Tester Confirms to :

Design specifics of the Sutherland Rub Tester :

  • 3 inch Touchscreen for display and control.
  • Digital Display of Rub Counts and Speed.
  • Simple / Maintenance-free design.
  • Very Low power consumption.
  • Compact but Sturdy Design.
  • Very Low Noise Level.
  • User – Friendly Controls on touch screen.
  • Programmable Setpoint with Auto-Stop on Test Completion.

Rubbing Weights :

  • Base Weight :           2 lbs.                Equivalent to 0.5 psi rubbing pressure.
  • Addon Weight :         2 lbs.               Equivalent to additional 0.5 psi rubbing pressure.

Rubbing Speed :    

21 / 42 / 85 / 106 rubs per min (user selectable)

Included with all models / SKUs of Ink Rub Tester / Sutherland Rub Tester :

  1. Large (Lower) Sample Marking Template (MOC : Stainless Steel)
  2. Small (Upper) Sample Marking Template (MOC : Stainless Steel)
  3. Spring clips, to hold lower sample to the base of the equipment.
  4. Extra foam pads to be attached to the base weight.

DQ/IQ/OQ Documentation are supplied with models specific to the Pharmaceutical Industry.

Warranty :                  12 Months (Ex-Factory)

Utilities Required :

  1. Power Supply (Current : Max 5 Amps) :
    • For India (Domestic Model) : 230 Volts A.C., 50 Hz. Clean power.
    • For Outside India (Export Model) : As per your country’s power rating.

Download Sutherland Rub Tester Datasheet

Jar Compression Tester Data Sheet

Video of Ink Rub Tester (QX Model – Old Model – No Touchscreen)

Additional information


India, Outside India


FMCG / Food / Beverage (Non-Pharma), Pharmaceutical

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