Ingredients of lacquer, varnish, paint, dental fillings, paper coating, linoleum, adhesive, and similar products.
Gum Copal
Gum Copal is a natural resin found mainly in Sulawesi and Java. Soluble in alcohol, its quality is judged and determined primarily by its hardness, lump size, degree of purity, and color.
HS Code: 1301.90.21
Packing: In isotank or in second hand
Grade Quality: PWS, DBB, WS, and Dust
CAS Number: 9000-14-0
Quantity: 15-16 MT in a 20 ft container
Chemical & Physical Characteristics
| Specification | PWS | WS | DBB |
|---|---|---|---|
| Appearance | Whitish Yellow | Blackish Yellow | Yellow |
| Nodule Size | 0.5 cm up | 0.5 cm up | 0.5 cm up |
| Dust % | 5 % Max | 10 % Max | 10 % Max |
| Solubility | 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 |