Damar is a non-timber forest product that has long been known, namely a sap which is a polysaccharide compound produced by certain types of forest trees. damar batu is sap that has become fossilized. This sap is obtained from the soil. damar batu is resin undergoes a natural process hardening. In general, damar batu has a slightly increased color, there are also resin stones that are brown, white, even now. The texture of the mastic itself is much harder than copal and cat's eye resin. Stone resin is obtained from trees of the Dipterocarpaceae species.
