Model M5C San-Earth Conductive Concrete by Farwest Corrosion

Description

Developed in 1975 in Japan, SAN-EARTH M5C is the original conductive cement. When used in cathodic protection systems, it extends the life of the anode and reduces the overall cost. SAN-EARTH M5C doesn’t expand, shrink, or crack over time. It yields consistent performance and is both environmentally safe and maintenance free. It can be easily installed as a mortar, or as a slurry and, over time, it hardens to become conductive concrete. It helps protect water resources by sealing aquifer, aquitard, and aquiclude / confining layers and helps prevent cross-contamination. Unlike carbon coke, venting is not required as any gas that forms is on the outside surface of the hardened SAN-EARTH M5C. The current is dispersed over the large surface area reducing the breakdown reaction resulting in a smaller amount of gas bubbles which easily dissappate into the surrounding soil. This reduced reaction also allows the cathodic protection system to have a much longer life. SAN-EARTH M5C creates a special enviroment where the galvanic reaction with the anode is minimized.

Features

Specifications

Packaging

• 55lb (25kg) 4-Ply bags holding 0.827ft3 (0.02342m3) of SAN-EARTH M5C. 36 bags per pallet. 720 bags per 20ft container.
• 2000lb (907kg) super sacks holding 30.07ft3 (0.8516m3) of SAN-EARTH M5C 

Storage, Transportation and Handling

Treat it the same as cement. Keep dry at all times. Keep away from moisture. SAN-EARTH M5C will harden after exposure to water. The SAN-EARTH M5C particle size is very small, so use of an approved dust mask is recommended.

Mixing Instructions

• MORTAR - SAN-EARTH M5C may be mixed with a small amount of water so that it forms a mortar that can be easily shaped. Slowly add clean water until desired consistency is reached.
• SLURRY - SAN-EARTH M5C may be mixed with a large amount of water so that it forms a slurry that can be easily poured or sprayed. Start with approximately 3 gallons (11L) of clean water per 55lb bag. Add additional water to reach desired consistancy.

Typical Vertical Installation

Auger the hole to the required depth. Lower MMO anodes to desired depth and make sure that they are centered in the hole. Pour or pump (slurry is recommended) SAN-EARTH M5C into hole around electrode making sure it reaches to the proper depth and that there are no air pockets or gaps. Make sure electrode is completely covered in SAN-EARTH M5C to protect it. The electrodes or connected cables should be insulated at any point where they exit or are not embedded in the SAN-EARTH M5C to help prevent corrosion. The chart below will help determine the amount of SAN-EARTH M5C that will be required. 

Typical Lateral Installation

Dig the trench to the desired depth and width. Pour half of the desired thickness of SAN-EARTH M5C into the trench. Lay the electrode on top and in the center of the SAN-EARTH M5C. Cover with the remaining half of the desired thickness of SAN-EARTH M5C. The electrode should be insulated at any point where it exits or is not embedded in the SAN-EARTH M5C to prevent corrosion. Use a shovel to gently apply a 3-4 inch layer of backfill to the top of the SAN-EARTH M5C and pack down gently to prevent displacement. Fill in trench with backfill. The chart below will help determine the amount of SAN-EARTH M5C that will be required.