欧美日韩在线激情,欧美午夜精品,caoporn国产精品免费视频,91婷婷综合,九九re6热在线视频精品66,日韩精品在线视频,国产区最新

Methyl Ester of Gum Rosin

PRODUCTS > Liquid Resin > Methyl Ester of Gum Rosin

Methyl Ester of Gum Rosin

Rosin methyl ester is prepared by esterification of rosin with methanol; Used in adhesives, fluxes, surfactants, coatings, etc

blob.png