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Phthalic Anhydride
Sep 25, 2017

As one leading supplier of phthalic anhydride from china , we can supply PA in 25kg or 500kg bags, 

Pls check the specs as follows:

Spec                               Item

Purity                              99.5%min

Fused chroma (Chroma No)            20

Chroma of therma stablity (Chroma No)  50

Chroma of sulphuric acid (Chroma No)    40

Free acid(mass fraction)%               0.2

any inquire, pls feel free to contact with me at lisa@gpcchem.com