series of 17-99F(L), 17-99F(H), 17-99 (L), 17-99(H), 18-99(L), 18-99(H), 19-99(L), 22-99(L), 19-88,

PVA (Polyvinyl Alcohol) grade 2499.

TDS and typical value as following:

ITEM	STANDARD	TEST RESULT
ALCOHOLYSIS %(mol/mol)≥	99.0	99.6
VISCOSITY mPa.s	57-73	64
VOLATILES %	7.0	3.8
ASH % ≤	0.7	0.5
pH	5-7	6.5

HENAN KINGWAY CHEMICALS CO.,LTD.

PVA (Polyvinyl Alcohol)