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    rosin

    Main ingredient:  abietic acid and Rosin acid anhydride。
    Appearance: light yellow to yellow brown transparent block
    Character:  It has special smell; and is insoluble in water; soluble in ethyl alcohol, diethyl ether, acetone, benzene, carbon disulfide, turpentine, oil, and aqueous alkali.
    Uses:  Raw material of various phenolic aldehyde and resin coating; softening agent of regenerated rubber; widely applied in paper making, paint, medical, dyeing, coating and textile industry; with function of moisture proofing, preservative, insulation, emulsifying and adhesive.
    Packaging specification: galvanized sheet iron drum (225kg/drum), outer woven inner paper (40kg/bag)
    Storage and transportation:  store in cool, dry and ventilated warehouse to keep it away from fire and heat source

     

     
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  • 世卫组织更新《国际疾病分类》 游戏成瘾列入精神疾病 2019-02-02
  • 特朗普是个典型的笑面虎,当面笑嘻嘻,底下捅刀子 2018-11-27
  • 中方向美方提出严正交涉 2018-11-27
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