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.
Outer view : transparent body
Yan color: yellow (in accordance with the standard color block of rosin color glass)
Softening point (ring and ball method), ℃: 70-80
Acid value mgKOH / g: 155-166
Unsaponifiable matter content,%: ≤ 5
Ethanol insoluble matter,% : ≤0.03
Ash,%: ≤0.03
Outer view : transparent body
Yan color: yellow (in accordance with the standard color block of rosin color glass)
Softening point (ring and ball method), ℃: 70-80
Acid value mgKOH / g: 155-166
Unsaponifiable matter content,%: ≤ 5
Ethanol insoluble matter,% : ≤0.03
Ash,%: ≤0.03






Copy product links
Long by picture save/share

+86 15986601598
+86 15817282250
(+86) 755-88834518
Monday to Friday: 9:00-18:00