Rosin [SEP] material used
Rosin
Rosin, also called colophony or Greek pitch (), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperature. It chiefly consists of various resin acids, especially abietic acid. The term "colophony" comes from ', Latin for "resin from
Red rosin paper
Red rosin paper (red building paper, brown rosin paper, slip sheet paper, rosin-sized sheathing paper, and building paper) is a 100% recycled heavy duty felt paper used in construction such as underlayment under flooring and siding. The name "rosin-sized sheathing paper", commonly used to describe the material, comes from the rosin used in the paper, the process of sizing it to add the rosin, and its use by builders. "Alum-rosin size was invented by