Kalvopaperin
Kalvopaperin is a traditional Finnish paper product made from the bark of birch trees, primarily the downy birch (Betula pubescens) and the gray birch (Betula pendula). The process of making kalvopaperin involves several steps. First, the bark is stripped from the trees, typically in the spring when the bark is at its thickest. The bark is then soaked in water to soften it, and any impurities are removed. The softened bark is then beaten and mixed with water to create a pulp. This pulp is spread onto a screen or frame, where it is pressed and dried to form the final paper product.
Kalvopaperin has a distinctive texture and appearance, with a rough, slightly grainy surface. It is often used
The production of kalvopaperin is a labor-intensive process that requires skill and patience. The final product