boron-nitrogen type castor oil
Castor oil polyurethane
Castor oil polyurethane-polyether-polyurethane
alkali scission of castor oil
bromine-containing castor oil polyol
castor oil
昆麻子油
红斑性狼疮肾炎
蓖麻油
菎麻油
聚氨酯
篦麻油
蓖麻油C.O.
苬麻油
蓖麻籽油
castor oil acid methyl ester ethoxylate
castor oil phosphate ester
castor oil polyether polyol
CASTOR OIL REFINED GRADE
Castor oil-modified alkyd resin
Castor Oil-Polyether Polyol