Lavina 2x 1/4 PCD refers to a specific type of diamond grinding tool, a PCD (Polycrystalline Diamond) shoe/segment, designed for aggressive concrete surface preparation, particularly for stripping thick coatings like epoxy, paint, glue, and mastic, compatible with Lavina grinders and other systems like EDCO and Onfloor.
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The PCD system quick replacement tool is suitable for epoxy resin, coatings, adhesives, sealants, and coatings. It cannot be used directly on concrete and any metal materials.
Trapezoid double round grinding shoes are the go-to choice when you need a balance between aggressive material removal and a smooth, scratch-minimized finish. Because they have a rounded edge, they lack the sharp “leading edge” of a rectangular or arrow-shaped segment, which helps prevent deep gouging on uneven concrete.
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EZ change curved rectangle shape diamond segments, the “curved” edges on these rectangular segments are a strategic design choice—they prevent the tool from “digging in” or leaving deep gouges on uneven concrete, which is a common headache during the initial grinding stages.
advantages:
1. No “Catching”: On floors with lippage (uneven joints), the curves allow the head to glide over the edge rather than slamming into it.
2. Better Scratch Pattern: The beveled edges create a more “feathered” scratch pattern, which makes it easier for the next grit (like a 60/80) to remove the marks from the previous step.
3. Aggressive Removal: Despite the curve, the rectangular surface area is large, making it excellent for stripping epoxy, glue, paint, and thin-set.
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