精制松香
- 网络Refined rosin;colophonium
精制松香-
松香甘油酯由松香或精制松香与甘油酯化而成浅黄色或水白色透明固体，是一种优良的增粘树脂。
It is the slight yellow or water-white transparent solid , which is made from gum rosin or refined gum rosin through esterification with glycerol ; it is a good tackifying resin .
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通过双光束光谱光度计的测定（380～720nm），研究我国精制浅色松香产品的颜色特性。
Colour characteristics of refined light coloured rosin products were studied by using a dual beam spectrophotometer ( 380 ~ 720 nm ) .