Gloss level, gloss unit

The degree of gloss describes how strongly a surface reflects light. It is measured in gloss units (GU). The degree of gloss is a measurable quality factor, especially for stainless steel, aluminium or decorative surfaces.

What is the significance of the gloss unit for the surface?

• Fine grit size increases shine
• Uniform scratch pattern is crucial
• Each grinding step affects the degree of gloss

Typical problems concerning the degree of gloss:

• Fine surfaces
• Visible grinding marks despite high grit size

What do you need to keep in mind about the degree of gloss?

• A clearly graded order of grit sizes