|
Chemical |
Formula |
Concen-
tration |
Pumping
time
hours |
Exposure
hours |
|
Nitric
acid |
HNO3 |
56% |
12 |
18 |
|
Caustic
soda |
NaOH |
45% |
12 |
18 |
|
Toluene |
C6H5CH3 |
- |
10 |
15 |
|
Hydrochloric acid |
HCL |
30% |
12 |
18 |
|
Phosphoric
acid |
H3PO4 |
52% |
13 |
18 |
|
Sulphuric
acid (warm) |
H2SO4 |
95% |
12 |
18 |
|
Hydrogen
peroxide |
H2O2 |
35% |
12 |
18 |
|
Trichloroethylene |
C2HCI3 |
99% |
13.5 |
18 |
|
Hydrofluosilic acid |
H2SiF6 |
20% |
12 |
18 |
|
Liquid
ammonia |
NH3 |
100% |
4.5 |
5.5 |
|
Combination of high temperatures and aggressive
chemicals may reduce the lifetime of the hose. It is recommended to replace the
hose after a clean-up of aggressive chemicals. The table opposite indicates
values estimated for normal clean-up. |