It is a modified hydroxyethyl methyl cellulose (HEMC). WALOCEL™ MKX 6000 PP 20 Cellulose Ether was developed for cement plaster applications like one or two coat cement-based plaster, cement based decorative render and is essential for the successful formulation of cementitious parts of an External Thermal Insulating System. Dow’s WALOCEL™ cellulose ether products are manufactured using cellulose from wood or cotton linter, resulting in an inherently bio-based additive with approximately over 78% bio-based carbon content.This product has a lower product carbon footprint version available under Decarbia™ Dow brand. For this case the PCF reduction is -18% coming from renewable energy. Please do not hesitate to contact us to know more.