The sugars can feed the growth of mildew, and they become sticky and grab dirt. Resin-rich sap, including pine sap, is ...

Say goodbye to the woes of Christmas tree sap. Whether you have a mild case of sticky, sap hands or you look like Clark Griswold, we've got your fix. Learn how to get pine tree sap off your hands ...

Gum rosin (the most common source) is recovered from the sap of living pine trees. Wood rosin is extracted from pine stumps. Tall oil is obtained as a by-product of paper pulp production.