粘度：                     0.032~0.048 Pa.s

Viscosity (Pa.s)

水分%                     ≤5.0

Moisture%

灼烧残渣%                 ≤0.20

Residue on ignition%

氯化物%                   ≤0.07

Chloride%

重金属%                   ≤0.001

Heavy metals%

游离酸%                   ≤1.0

Free acid%

酯化率（以干品计）%       21.0~35.0

Esterification percent %