I. Introduction
The product adopts the mechanism of corrosion inhibiting as primary and neutralization as secondary with the functions of both corrosion inhibiting and neutralization anti-corrosion. Besides, the product has the characteristics of high corrosion inhibiting rate, small usage amount, good water solubility, innocuity, slight pungent smell and effectively preventing under-deposit corrosion and dew point corrosion.
II. Quality Indicators
Serial number |
Item |
Indicator |
Measuring method |
1 |
appearance |
brown thick liquid |
ocular estimation |
2 |
density (20℃) g/cm<3> |
0.85 to 1.05 |
GB/T 1884-2000 |
3 |
water soluble |
ocular estimation |
|
4 |
PH value |
8 to 11 |
GB 9290-2008 |
5 |
condensation point ℃ |
>90 |
SY 5405-1996 |
6 |
corrosion inhibiting rate (mass percentage), percentage |
<-5 |
GB/T510-1991 |
III. Directions for use
1. The product is applied to low-temperature portion of hydrogenation reaction system on diesel oil hydro-refining device, condensing system on top of fractionating tower and stripping tower and equipment anti-corrosion in oil refineries.
2. As agent adding is divided into pre-filming stage and normal agent adding stage, recommended usage concentration is such that the agent adding amount is 120 to150ppm in pre-filming stage, period being 7 to 15 days; and the agent adding amount is 30 to 50ppm.
3. Usage is not affected if there is crystal produced which also added for dilution.
IV. Package and Storage
1. The product is packaged by 200L barrel, net weight of each barrel being 200kg.
2. The product needs to be prevented from the sun, fire, dampness and collision in storage and transportation, and needs to be stored in a clean, cool and dry warehouse.
3. Quality guarantee period at normal temperature is one year.