Astm Mg Anode 20% Bentonite Magnesium Bag Installation
Low Cable Connection Resistance Prepackaged Magnesium Anode Improve Project Construction Efficiency
Introduction:
According to the principle of electrochemistry, cathodic current is provided from the alloy anode material body through the electrolyte such as soil and water to the protected body such as the steel structure, so that the protected steel structure is cathodized to realize cathodic protection. As the current continues to flow, the anode material is continuously consumed. This is the origin of the name of the sacrificial anode.
Assembly configuration:
1. One sacrificial anode of any type.
2. One cable wire: welded on the sacrificial anode according to the length and specification required by the customer, and sealed with epoxy resin and dibutyl ester with glass wire or polyvinyl chloride heat shrinkable sleeve according to the proportion.
3. A pack of special fillers.
4. A set of aluminothermic flux.
5. One anode cloth bag.
| gypsum powder | Filler formula, wt% | Applicable conditions | ||
| (CaSo4.2H2o) | Na2SO4 | Mg2SO4 | bentonite | |
| 50 | 0 | 0 | 50 | ≤20Ω.m |
| 25 | 0 | 25 | 50 | ≤20Ω.m |
| 75 | 5 | 0 | 20 | ≥20Ω.m |
| 15 | 15 | 20 | 50 | ≥20Ω.m |
| 15 | 0 | 35 | 50 | ≥20Ω.m |
| Cd(max) | As(max) | Hg(max) | Pb(max) |
| 1ppm | 1ppm | 1ppm | 10ppm |
Features:
Magnesium alloy is an ideal sacrificial anode material because of its negative anode potential, large electricity generation per unit mass and long service life. As an ideal sacrificial anode material, magnesium alloy also has the following characteristics
(1) Small specific gravity and negative potential
(2) High driving voltage for iron and low current efficiency
(3) Especially suitable for high resistivity medium. (For resistivity greater than 100Ω·m, it is recommended to use strip magnesium anode)
Photos:
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