Gum Copal

Gum Copal is a natural resin obtained from Agathis Coranthifolia . This tree species is found Mainly in Sulawesi and Java, Indonesia. Being soluble in alcohol, gum copal’s quality is graded and determined mainly by the hardness, the lump’s size, the purity level and the colour. Dark brown to sharp yellow is how the colour varies

 

HS CODE: 1301.90.21

CAS Number: 9000-14-0

Quality: PWS, DBB, WS and Dust

Packaging: PWS and DBB in carton, WS in double plastic / pp bags

Quantity: 15-16 MT 20 feet container

MSDS: View | Download

 

Chemical and Physical Characteristic

 Specification     Standard PWS   Standard WS   Standard DBB
  Appearance   Whitish Yellow Translucent Nodules   Blackish Yellow Opaque Nodules   Yellow
  Nodule Size   0.5 cm up   0.5 cm up   0.5 cm up
  Dust %   5 % Max   10 % Max   10 % Max
  Solubility in 95%   Soluble   Poor Soluble   Poor Soluble
  Ash Content   1% Max   3% Max   3% Max
  Acid Value   80-100 mg KOH/g   70-100 mg KOH/g   60-100mg KOH/g
  Loss in drying   1% Max   1% Max   1% Max
  Purity   99-100   ~60   90-95

 

Uses :

Ingredients of lacquer, varnish, paint, dental fillings, paper coating, linoleum, adhesive, and similar products