Qinhuangdao Longfa Chemical Co.,Ltd -

Qinhuangdao Longfa Chemical Co.,Ltd

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gum rosin
Specification: WW grade
Detail: Appearance Tran***rent Color (Gardner) ¡Ü8.0 Softening Point (R.&.B ¡ãC) ¡Ý76.0 Acid Value (mgKOH/g) ¡Ý166.0 Ash content (PCT) ¡Ü0.020 Non saponification content (PCT) ¡Ü5.0 Undissolvable object...


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