Difference Between 10H and 9H Ceramic Coating As ceramic coating technology continues to grow in the automotive industry, many users want to understand the differences between key properties before choosing the right product. Among these options, 9H and 10H ceramic coatings are frequently discussed. But what do these ratings actually represent, and how are they different? First, let’s clarify a common misconception. Some believe that 10H does not exist in the pencil hardness scale. While it’s true that 10H is…
