Quality Index of High-hydrogenated Rosin (GB/T 14020-2006)

	Quality Index of High-hydrogenated Rosin (GB/T 14020-2006)

Item Extra grade First grade Appearance transparent Color Color Requirements of STD Glass Conform to Color Requirements of STD Glass for Rosin No Deeper than Lovibond Color Yellow 12 20 Red 1.4 2.1 Acid number (mgKOH/g)≤ 164.0 160.0 Softening point(Ring-and-ball method)℃≥ 73.0 72.0 Ethanol insolubles%≤ 0.020 0.030 Non-saponifiable matter%≤ 7.0 8.0 Abietic acid % ≤ 0.5 1.00 Dehydroabietic acid % ≤ 8.0 10.0 Oxygen absorptivIty % ≤ 0.20 0.20