Gum Copal
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Botanical name : Agathis Coranthifolia
H.S No. : 1301.90.9000
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 color. Dark brown to sharp yellow is how the color varies.
Usage :
It applies as ingredients of lacquer, varnish, paint, dental fillings, paper coating, linoleum, adhesive and similar products.
Qualities :
Main quality available are PWS, WS, LAS, DBB, U and P grades.
Packing :
75 kg nett double PP bag / 20 kg nett carton box
Loadability :
1xFCL 20' = 15 MT
Specifications :
| Product | Gum Copal PWS | Gum Copal WS |
| Physical Specification : | ||
| Appearance | Whitish Yellow | Blackish Yellow |
| translucent nodules | opaque nodules | |
| Nodule Size | 0,5 cm up | 0,5 cm up |
| Dust % | 5% Max | 10% Max |
| Chemical Specification : | ||
| Solubility in 95% (v/v) ethanol | Soluble | Poor solubility |
| Ash content | 1% Max | 3% Max |
| Acid Value mg KOH/gr | 80-100 | 70-100 |
| Loss on drying | 1% Max | 1% Max |
| Impurities | 1% Max | % Max |