RC photo paper has four surface

RC (resin coated) papers are constructed much like silver-halide resin coated paper so they feel like traditional pints. A sheet of paper is sandwiched between layers of plastic and the top layer is coated with a polymer designed to receive the ink. If you put a drop of water on this layer, it is slowly absorbed and dries without leaving ripples in the paper. Images stay glossy because the ink is absorbed by the polymer layer and not the paper base although the water resistance of the top layer varies from brand to brand. These papers have the widest color range (gamut) and can be divided into three sub-categories based on their finish:

Glossy----called an F surface, has a very shiny, almost reflective surface.

glossy inkjet paper is characterized by a smooth, highly reflective surface. The photographic industry refers to glossy as the "F-Surface". High gloss paper can be extremely smooth (like a coated plastic), or it may have a very slight texture (such as most RC inkjet media). Glossy paper is desired when you want the most like reflected back at the viewer. This makes for more saturated color and the ability to see sharp details. It's no wonder that high gloss inkjet paper has the highest D-Max (deepest black) of all inkjet media.

Luster/Satin (rough)-----called an E surface, has a bumpy repeating surface that varies in depth depending on the manufacturer.

At certain angles it can look like the surface of an orange or automotive paint. This texture serves two important functions:

1) Allows the paper to better withstand handling. The texture hides minor scratches and scuffs from wear and handling.

2) Lower direct reflection of light to the viewer. This makes for less glare, shine, and makes the image easier to see at all angles.

Woven-----called an N surface, has a luster without any texture.

 If you gently bend a corner of an RC paper, you'll hear a slight cracking sound. You can even bend a print somewhat without creasing it. The paper also resists tears, kinks, and abrasions. An anticurling layer on the back side keeps the print flat, even when it's humid or large amounts of ink are used on the front 

side.

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