1, CERTIFICATE OF ANALYSIS PRODUCT Rosin WW Grade CHEMICAL FORMULA C20H30O2 BATCH NO. 20110112 MFG.DATE 2011-01-12 ANALYSIS DATE 2011-01-12;
2, This product by steam distillation refining process of gum rosin in later got turpentine, is a kind of amorphous transparent glass sex solid resin.
3,

PRODUCT				Rosin WW Grade
CHEMICAL FORMULA				C20H30O2
BATCH NO.	20110112		MFG.DATE		2011-01-12		ANALYSIS DATE	2011-01-12
QUANTITY	300g		CAS NO.		8050-09-7
ITEM AND RESULT
ITEM		STANDARD				RESULT
Grade		WW				WW
Purity % ≥		99.9 Min				99.95 Min
Softening Point(C)≥		76 Min				78 Min
Acid Value, mg KOH/G ≤		166Max				165Max
Non-saponifiable content% ≤		5Max				4.7Max
Impurity Content % ≤		0.03Max				0.027Max
Ash Content% ≤		0.03Max				0.025Max
Comment : PASS