PRODUCTS CENTER
Gummy Rosin Gum Rosin (GB8145-87) Index Name Special Grade X Grade 1 WW Grade 2 WG Grade 3 N Grade 4 M Grade 5 K Color Color Light yellow light yellow yellow dark yellow brown yellow red Luo Weibang color yellow 122030405060 red 1.42.12.53 .44.55.5 Appearance Softening point of transparent body (ring and ball method) ℃ 767574 Acid value (mg KOH/g) 166165164 Content of unsaponifiable matter % 556 Ethanol insoluble matter % 0.030.030
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