Paper Towels/Tissues Cases
Evaluation of Paper Towels on the Market
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We ran a study of the comparison of paper towel products using PhabrOmeter®. Selected products are listed:.

  • Bounty - Procter & Gample
  • Brawny - Georgia-pacific
  • Jubilee - Allied West Paper Corp
  • Sparkle - Geodia-pacific
  • Thrsty - Safeway
  • Viva - Kimberly Clark

The test result is in the following tables:

Remark: Smaller value for a softer fabric. So Viva is the softest one among the 6 paper towels

Remark: The larger the value, the stiffer the fabric. So Brawny is the stiffest one among the 6 paper towels

Remark: The larger the value, the smoother the fabric. So Jubilee is the smoothest one among the 6 paper towels

Using the test results, the towels can be "fingerprinted" as below so that more detailed comparison can be made between the products.

Assume the product Viva can be used as a reference, then the following table shows how close the other towels are relative to the reference.

Remark: If the reference fabric is the one you like the most, then for other fabrics, the smaller the RHV value, the better the overall hand.

Evaluation of Facial Tissues
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We conducted a measurement to evaluate a set of facial tissue paper by using PhabrOmeter-S, a special model with very high sensitivities. Each sample had three repeats. All these facial tissue papers are single ply and not embossed. Sample EM 200 was not treated and set as the control (reference sample), and the others were coated on one side with different formulas.

The following shows the extraction curves of the 7 facial tissues with coated side tested.

The PhabrOmeter test result for the 7 facial tissue attributes listed in the following table:

Remark: the values in table is sorted by the Softness attribute.

From the above table you can see the control tissue's values are at middle somewhere for all three attributes. Since EM 200 is the control, we can use its Softness value as a threshold to group the samples.

All facial tissues at the right side of the red desh line have a Softness values worse than that of EM 200 and are thus not qualified.

Likewise, we can judge the tissues based on the Smoothness of EM 200, and for the Stiffness.

Based on the above results, we can conclude that the treatments for EM 273 and EM 288 have impacted their tactile sense most severely.

Instrument to replace Human sensory evaluations

Although originally aimed at the measurement of fabric hand, PhabrOmeter® technology has shown much wider applicability and gone on to be used in a range of industries, for things like paper and tissue products, performance evaluation of cosmetics, the feel of interiors and paints. The technology continues to spread to more fields where human touch is involved.

For instrument to replace human sensory evaluations, the human sensory evaluation has to be used first as validation, in establishing the instrumental approach. Once accepted, it will become the standard procedure in routine evaluation just like the colorimeters.

Issues involved in Human sensory evaluations
  • touch only
  • touch + sight
  • finger, palm or tongue
  • expert judges ( quality evaluation)
  • consumer judges (preference)
  • background, market, product dependent

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