Description

Colophony Specifications ***** No. ********7 2.Standard: GB/T***5/********3 *****: slight yellow, pale yellow , yellow, deep yellow, yellow brown(correspond to the standard glass color piece of rosin.) 4.Appearance: transparent solid 5.Softening point (ball & ring): *6 ℃ *5 ℃ *4 ℃ 6.Acid No.(mg KOH/g): **6min **5min **4mm 7.Unsaponifiable Material : 5%max 6%max 8.Alohol insoluble materical: 0.*3%max 0.*4%max 9.Ash(%).max: 0.*2 0.*3 0.*4 *0.Special properties: Natural organic compound, compound, mainly composed of resins. *1.Uses: Raw material of making soap, paper, paint and rubber , Intermediate for synthetic organic chemicals , Packing storing and transporting , in galvanized iron drum, **5kg net each drum. Must be keep away from heat and flame. *2.Delivery time: 7days after the order.