Item	Details	Test method
Appearance	brownish yellow liquid	Eyeballing
Density(20 oC, g/ml)	0.90~1.05	GB/T4472-84
pH-value	> 8.0	PH meter
Solubility	soluble in water

Packing & Storage: 
1. In 200L big drum, net wt. 200kg, or upon clients' demand. 
2. Protect against sunlight, fire and dampness; stored in clean and dry warehouse. 
3. Shelf life is 1 yr.