Sankosha San-Earth® M5C is manufactured in accordance with Sankosha’s ISO 9001 Quality Standards and conforms to IEC Standard 62561-7 which specifies the requirements and test for earthing enhancing compounds producing low resistance of an earth termination system. SAN-EARTH M5C is a fine powder packaged in 25 kg (55 lb) bags which provides an environmentally safe long term solution to many grounding problems.