ZHAOQING KAIMEI CHEMICALS CO., LTD

1. Physical Properties: It is a kind of natural resin, amixture with various organic acid, and with special chemical activity. 2. Application: pa

1. Physical Properties: Glycerol ester of gum rosin are made from gum rosin or refined gum rosin through esterification with glycerol. 2. Applica

1. Physical Properties: Pentaerythritol ester of gum rosin are made from gum rosin or light-colored rosin through esterification with pentaerythritol

1. Physical Properties: Pentaerythritol ester of gum rosin are made from gum rosin or light-colored rosin through esterification with pentaerythritol

1. Physical Properties: Meleic acid resins are irregular transparent solid which are the products of esterification by pentaerythrite and the adducts