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copal resin;gum copal
Molecular formula :

nature : also known as the Keba resin. Natural resin in a category, mostly for fossil resin. Major components (about 90%) of acid resin. Acid high hardness. Softening Temperature 150 ° C Produced in Africa and New Zealand. Often different origin and various names. Mainly used in the manufacture of oil-based varnish, high-grade furniture and Enamel paint. The hardness, durability, resistance to chemicals and good brightness. Rarely used.

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More Detailed Data:
1) resin
2) resin
3) opal
4) opal
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