Product Name:HEA
Assay:90%-98%
Capacity:20000MT/Year
Sample: available



Product Name:HEA
Assay:90%-98%
Capacity:20000MT/Year
Sample: available

|
ITEM
|
QUALIFIED GRADE
|
COMMON GRADE
|
PREMIUM GRADE
|
TOP GRADE
|
METHOD
|
|
APPEARANCE
|
CLEAR LIQUID
|
CLEAR LIQUID
|
CLEAR LIQUID
|
CLEAR LIQUID
|
VISUALIZE |
|
PURITY ≥ (%)
|
90.0
|
93.0
|
95.0
|
97.0
|
ASSAY BY G.C
|
|
ESTER CONTENT ≥ (%)
|
97.0
|
97.0
|
99.0
|
99.0
|
ASSAY BY G.C
|
|
WATER ≤ (%)
|
0.35
|
0.3
|
0.15
|
0.15
|
KARL FISCHER
|
|
COLOR ≤
|
35
|
25
|
20
|
15
|
PT-CO
|
|
FREE ACID(AS AA) ≤ (%)
|
0.4
|
0.3
|
0.2
|
0.2
|
CHEMICAL TITRATION
|
|
INHIBITOR(MEHQ) (ppm)
|
200±40
|
200±40
|
200±40
|
200±40
|
SPECTROPHOTOGRAPHY
|
The above indicator can be formulated in consultation woth users.