The quality of this product is in accordance with the national standard GBB145-87. The place of origin is Guangxi and Guangdong. The color is yellowish to brown red amorphous solid, crisp and transparent. The main component is resin acid, which is easily oxidized and deepened in the air.
Appearance: transparent body
Color: yellow (in accordance with the standard color block of rosin color glass)
Softening point (ring and ball method), ℃: 70-75
Acid value mgKOH / g: 155-165
Unsaponifiable matter content,%: ≤ 5
Insoluble matter in ethanol,%: ≤0.04
Ash,%: ≤0.04
Appearance: transparent body
Color: yellow (in accordance with the standard color block of rosin color glass)
Softening point (ring and ball method), ℃: 70-75
Acid value mgKOH / g: 155-165
Unsaponifiable matter content,%: ≤ 5
Insoluble matter in ethanol,%: ≤0.04
Ash,%: ≤0.04







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