The Section About Equivalence showed, among many other technical features, that tube polishing has no bearing on equivalent tube performance; either by visual rating methods or the more objective metrological tests. That doesn’t mean, however, that the finishing method is unimportant. It’s particularly important when it comes to rating tubes. We’ve developed a unique technology based on understanding the role of assessing fuel-associated deposits.
For more detail, please continue by reading Appearance Factors.