gum rosin

Sōngxiāng shì yī zhǒng tiānrán shùzhī, zhǔyào yóu gè zhǒng zhī suān zǔchéng, yì róng yú duō zhǒng róngjì, jùyǒu tèyǒu de huàxué huóxìng. Shì zàozhǐ, túliào, yóumò, xiàngjiāo, féizào, diànzǐ, shíyòng zhǐ jiāo, sōngxiāng zhǐ shùzhī děng gōngyè de zhòngyào yuánliào.
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Translation result
Rosin is a natural resin, mainly composed of various fatty acids, easily soluble in various solvents, and has unique chemical activity. It is an important raw material for industries such as papermaking, paint, ink, rubber, soap, electronics, edible ester glue, and rosin ester resin.