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Description:
d fiber segment, length over 3cm, diameter over 0.3cm; no charblack, milden & rot, and wormeaten.2 Physical And Chemical Index:Moisture/ (%)not more than13.0; AshContent/(%)not more than 5.0 ; Impurity/(%)not more than 1.0 ;C20H18ClNO4/(%): Dried row goldthread not less than 5.0, Individualgoldthread separatedfrom the row product no less than7.0
3 Heavy metal Content(mg/kg): Heavy metal content not more than20.0, Hg not more than 0.2, Lead not more than 5.0 , As not morethan 2.0
