A Rub Proofness Tester is a laboratory instrument used to determine the resistance of printed surfaces to rubbing. It evaluates whether ink, print, or coating remains intact when subjected to controlled friction and repeated contact.
Testronix Instruments is a leading manufacturer and supplier of Rub Proofness Testers in India. For the best price, contact us for a quote or call now!
The Rub Proofness Tester is designed to evaluate the durability of printed and coated surfaces under controlled rubbing conditions. It helps determine how well a printed surface can withstand friction during handling, packaging, stacking, storage, and transportation.
The techniques can highlight issues like ink transfer, smudging, fading and scuffing, as well as show changes in print quality. This helps manufacturers of the printing process to compare various inks, coatings, and printed materials in terms of their rub resistance.
The instrument is suitable for testing printed paper, paperboard, labels, packaging materials, printing inks, coatings, and other printed surfaces where resistance to rubbing is important.
The working principle of a Rub Proofness Tester is based on applying controlled friction between two surfaces under a specified load and rubbing speed. The printed test specimen is securely held in position, while a standard rubbing surface is placed against it.
The instrument applies a constant load and reciprocates the rubbing material over the sample. The test continues for a specified number of rubbing cycles or a specified time.
The sample and rubbing material are examined for transfer of ink, smudging, fading, scuff marks or other visible changes after the test. This value is a measure of the print’s resistance to rubbing in handling and use.
The Rub Proofness Tester is used to check the rub resistance of a wide range of printed and coated materials, including:
Printed paper and paperboard
Labels and stickers
Flexible packaging materials
Printed cartons and boxes
Printing inks
Coated surfaces
Packaging materials
Printed products that undergo frequent handling
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The entire team at Testronix is highly professional. They provide timely delivery with world class features in all their instruments. They also provide customised instruments as per the needs of the user which no other dealer/trader can provide. We are very much satisfied with their products
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