What You Actually Need to Know Before Downloading Any Rub Rating Resource
I spend most of my days looking at Orlando Rub Ratings Your Definitive Guide To Honest Reviews type content that pops up in forums, and honestly, the landscape is messier than most people expect. There are a lot of people packaging generic automotive detail advice and slapping "rub ratings" on it like it is some proprietary methodology. It usually isn't. The concept of a rub rating comes from the detailing world — it refers to how hard or aggressive a polishing compound or rubbing compound performs on a vehicle's clear coat. Lower rub ratings mean milder product. Higher numbers mean more cutting power. That part is straightforward. The part that gets people in trouble is thinking a single rating tells the whole story. This is what most people are looking for when they search for it, and I have seen enough of these guides to tell you where they fall apart. The honest version is that rub ratings are not standardized across manufacturers. Meguiar's uses a different scale than Koch Chemie. Gyeon measures things differently than CarPro. When you see a chart claiming to rank every compound on one unified scale, it is almost certainly someone's opinion dressed up as data. I learned this the hard way three years ago when I followed a highly rated rub guide for a customer who brought in a 2019 BMW X5 with heavy swirl marks from a bad automatic wash. The guide said a certain compound was a medium cut, so I ran it through once with a LC Drill-Pad on a Rupes BigFoot at 5.5. It barely made a dent. The paint turned out to be much harder than the chart implied, which happens more often than people want to admit, especially on modern clear coats that are formulated for durability rather than ease of correction. A rub rating is really just an abbreviation for a lot of variables packed into one number. The actual cutting ability of any compound depends on the abrasives inside it, the lubrication package, the pad you pair it with, the machine speed, the pressure you apply, and the temperature of the paint surface. Skip any one of those and your real-world result will diverge significantly from what the chart promised. I keep a simple log for every job now — compound, pad type, machine setting, paint temperature, and how many passes it took to get the result I wanted. Over time that log becomes more useful than any published rating chart because it is built from actual data instead of marketing copy.
The biggest mistake I see people make is treating a rub rating like a prescription. They look at a number, pick a pad, and go straight to work without testing. Paint hardness varies from panel to panel on the same car. A hood might correct cleanly in two passes while the same compound fends out on the roof because the roof gets more sun exposure and the clear coat has oxidized differently. I had a Ford F-150 come in last spring where the driver side door needed a full correction but the passenger side was nearly fine. Running the same rub rating across both sides would have wasted time on the passenger door and under-cut the driver door. Test spot everything. A single quarter-panel test at your intended pad and machine combination tells you more than ten pages of ratings ever will. Another issue is pad selection that does not match the rating you think you need. A high-cut compound on a light finishing pad often behaves like a medium compound in real use. I have seen people buy expensive low-rub finishing compounds and pair them with heavy wool pads, then complain the results are not aggressive enough. The pad is doing most of the work there, not the compound. Match the pad to the defect level first, then pick the compound to refine what the pad started. That order matters more than the rub rating itself.
What This Guide Gets Wrong and What It Gets Right
Most online rub rating guides excel at listing products and assigning numbers. They rarely explain why a compound ranked number four on one chart ends up rated number eight on another. The difference usually comes down to test methodology. Some people test on new factory paint. Some test on aged clear coat. Some use dual action polishers at low speed. Some use rotary machines at high RPM. The numbers are not wrong, they are just not comparable across different test conditions. The guides that are actually worth your time show the test setup alongside each rating. Where these guides do help is giving you a starting point. If you are new to this, you need a baseline before you build your own log. I recommend picking one well-documented source and sticking with it until you have enough hands-on data to question it. Switching between three different rating systems in your first month will just confuse you. Consistency builds intuition faster than variety does.
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When Rub Ratings Are Useless
They break down completely when you are working on colored paints, matte finishes, or any surface that has been previously coated with a ceramic layer or sealant. Rub ratings assume standard clear coat. They do not account for coatings that change how a compound slides and cuts. I learned this with a Mercedes that had a ceramic coating installed two years earlier. The owner wanted me to remove water spotting without stripping the coating. Every compound I tried at every rub rating level just glazed over the surface. The coating was too hardened from UV exposure. I ended up using a very fine abrasive pad with a dedicated coating-safe cleaner instead of any rubbing compound at all. The rating charts had zero relevance to that situation. If your paint has any kind of bonded surface protection, forget the rub rating and look for product compatibility guidance from the coating manufacturer instead. Build your own reference system. Start by buying one compound from each major category — heavy cut, medium cut, finishing, and polish. Run them on a test panel or an inconspicuous area using a consistent pad and machine speed. Record how many passes each one needs to remove a standard defect. Do this for three different paint types if you can find them. The data you collect will age better than any downloadable guide because paint technology keeps changing. New clear coat formulations roll out every year, and compounds that worked well five years ago may behave completely differently on current production vehicles. If you still want a quick reference to carry with you, look for resources that show their testing methods openly, that list the pad and machine combination used for each rating, and that include real-world notes about paint hardness variation. Anything that presents a single numbered list without those details is entertainment, not a technical resource. The rub rating industry has enough of that already.
