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personal/sharpening/Stropping.md
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@ -9,12 +9,17 @@ Stropping on a clean substrate achieves 4 things:
4. Removes coating - Some blades come with a manufacturer applied oil, you can use a strop to remove this coating 4. Removes coating - Some blades come with a manufacturer applied oil, you can use a strop to remove this coating
# Loaded Stropping # Loaded Stropping
With a loaded strop, abrasive compound is applied to the strop to increase the rate of abrasion. This compound is applied with the goal of reducing the width of the edge without the formation of a foil-edge burr. Loaded stropping tends to produce a micro-convex edge, meaning it's shaped a little bit like a teardrop, where it curves outwards from a straight angle the farther away from the vertex the edge goes. With a loaded strop, abrasive compound is applied to the strop to increase the rate of abrasion. This compound is applied with the goal of reducing the width of the edge without the formation of a foil-edge burr. Loaded stropping tends to produce a micro-convex edge, meaning it's shaped a little bit like a teardrop, where it curves outwards from a straight angle the farther away from the vertex the edge goes. This effect is generally desireable.
The effect of stropping happens quickly, within 3-30 laps, and 10 laps being the minimum needed to achieve the desired effect. Stropping past 30 achieves minimal change, and stopping past the hundreds may introduce a burr again. The effect of stropping happens quickly, within 3-30 laps, and 10 laps being the minimum needed to achieve the desired effect. Stropping past 30 achieves minimal change, and stopping past the hundreds may introduce a burr again.
## Strop Material ## Strop Material
There are a variety of stropping materials available for use, common materials include leather, denim, newspaper, washcloth, and balsa wood. There are a variety of stropping materials available for use, common materials include leather, denim, newspaper, washcloth, and balsa wood.
### Balsa
Because balsa wood is rigid and nearly incompressible, stropping on balsa produces minimal convexivity
## Compound material ## Compound material
### Chromium Oxide ### Chromium Oxide
Chromium Oxide (green, waxy substance) Chromium Oxide (green, waxy substance) is probably the most common stropping compound. While it's moderately effective, there are better options, and it's generally recommended that if you strop a blade on a chromium oxide loaded strop, you follow it up with fine abrasive or a clean leather strop.
## Mono-diamond
Mono crystalline diamond stropping compound comes in a wide variety of grit sizes, ranging from 0.1 micron, all the way up past 20 micron.