Ink printing decolorization tester
NT 730 Ink printing decolorization tester( Printing Ink Rub Resistance Tester ) determines the wear resistance and decolorization degree of the tested object by rubbing it against white Daolin paper (or white book paper).This instrument is based on GB/T-7706 (or specially customized)
Test Principle
Fix the printed sample on the worktable. Wrap the friction head with standard white friction paper / white cloth. Under the load of standard weights, the friction head performs reciprocating linear friction with a specified stroke. It supports two test modes: dry friction and wet friction.
After the test:
- Observe the staining grade on the friction paper;
- Check ink layer wear and substrate exposure on the surface of printed samples;
- A spectrodensitometer can be used to measure the reduction of ink density and color difference ΔE for quantitative evaluation of ink rub resistance and decolorization performance.
Applicable Samples
Printed paper, color boxes, cartons, labels, books & periodicals, laminated printed products Printed ink layers on plastic films, cardboard and kraft paper PS plate photosensitive coating, wear resistance test of various surface coatings Water-based ink, solvent-based ink, UV ink, flexographic / offset / gravure printed products
Compliance Standards
GB/T 7706 Relief decorative printed matter
ASTM D5264 Rub resistance test for printed materials
TAPPI T830, JIS K5701, QB/T 5345-2018 Test method for ink rub fastness
| Operation mode: | LED digital display |
| Test piece area: | 60mm * 230mm |
| Friction speed: | Four adjustable speeds (21/43/85/106 r/min) |
| Friction load: | 20N |
| Friction stroke: | 60mm |
| Frequency setting: | 0~999900 automatic shutdown |
| Friction area: | 50mm * 155mm |
| Machine power: | 40W |
| Machine size: | 260mm * 230mm * 355mm |
| Machine weight: | 20kg |
| Operating voltage: | AC 220V 50/60HZ |
Ordering Information：NT 730--- Ink Printing Decoloring Tester
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