Natural Dammar gum resin crystals obtained from Shorea trees in Indonesia (Sumatra).
White to yellowish-white translucent, globular to pear-shaped grains, irregular fragments or stalactite masses. Grade AA consists of larger pieces of 2 to 5 centimeter. Grade A consists of 1/2 cm to 5 cm pieces as well as about 5% resin powder. Grade B particles are mainly smaller than 1 cm and include about 20% powdered resin.
Used in incense, varnish and other products. Commonly used in oil painting, both during the painting process and after the painting is finished. Dammar crystals are also dissolved in molten paraffin wax to make batik, to prevent the wax from cracking when it is drawn onto silk or rayon.
Damar crystals are dissolved into beeswax with pigment added to harden it in order to make encaustic paints.
Dammar resins were often used in the past to caulk ships, frequently together with pitch or bitumen.