It’s been three months since I applied Adam’s Graphene Ceramic Coating to my Supra and in this post, I want to briefly go over how the coating is holding up. This post is really a supplement to the video above and I would highly advise you to watch that as it contains examples of the statements that I make here.
Before we get started, I want to give you some background information. Since application, this car has been parked outside, facing all the elements. I applied the coating at the beginning of September so it experienced some decent end of summer heat for that month, 70-80 degree Fahrenheit easily. Then getting further into fall, we’ve had a particularly wet season so the car has just been getting beat with rain for multiple hours a day for days on end. Now into winter, we’ve been getting below freezing temps every night. Sometimes it would rain during the day and the rain would freeze at night leaving chunks of ice on the finish. During this time, the car also experienced hail 3 or 4 times. Not sure if that has a major effect on the coating, but it’s something to note.
When examining a coating, I largely just look at two things, the coating’s self-cleaning capabilities and it’s hydrophobic capabilities.
After three months, I would say that Adam’s Graphene Ceramic Coating is doing great with the self-cleaning capabilities. My car usually doesn’t get too dirty as I clean it pretty regularly but with all the rain, there is often dirt and debris that collect. With a coating, I really expect it to not allow the contaminants to attach to the surface and be able to take it off with just a spray of water. Adam’s Graphene Ceramic Coating does just that and its self-cleaning capabilities are still good after three months.
In terms of it’s hydrophobic capabilities, there seems to be a bit of a slow down. The coating is still able to produce a lot of water beads but its water sheeting capabilities have really diminished. After the coating had a chance to cure for one week, water just ran off the surface. It was possibly the slickest coating I’ve ever seen. However, after three months, I couldn’t shake the feeling that water was moving a lot slower off the surface.
I was able to verify this with a little test. At the one week update, I showed how a cheap underpowered leaf blower was able to blow water from one side of the hood to the other, without me having to move around the hood too much. At three months, I used my Adam’s Air Cannon dryer, which is much more effective at blowing water off of a car and I was not able to clear water off the hood by just standing in one place. Even with a more powerful car dryer, I could only get the water to move so far. A lot of the water actually broke up into smaller droplets. This happens because there’s drag to the surface. As the water is being blown away, small portions of it is catching on the surface and break off, leaving the smaller beads. In some places, there’s so much drag that the water really only moves a few inches and continually gets broken up.
For me, this was very disappointing and no doubt shows that the coating has diminished. Is the coating still there? Absolutely. It’s still able to bead and sheet water very well, but the evident decrease in slickness is somewhat alarming. With any other coating, I probably wouldn’t think this, but with a coating that’s advertised to last seven years and has diminished this much in only three months, the advertised durability is looking like a far reach.
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