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Grupo RB’s RESIDHERE AB 180 is a neutralized, disproportionated rosin soap containing 78% to 84% solids and 37% dehydroabietic acid content. It is solvent free and used as an additive in the emulsion polymerization of several rubber resins.
RESIDHERE AB 180 is a gum rosin valued for its use as an emulsifying agent in the polymerization and preparation of rubber polymers via emulsion polymerization. It may also be used in cement and mortar, providing high resistance to oxidation and decreased concrete density. RESIDHERE AB 180 is obtained via a disproportionation process that converts abietic acid into dehydroabietic acid, resulting in a 37% minimum dehydroabietic acid content and 0.7% maximum abietic acid content.
Acid number, mg KOH/g: 5–14
Solids content, %: 78–84
Abietic acid content (GC), %: 0.7 max
Dehydroabietic acid content (GC), %: 37 min
High concrete density Unstable emulsions in emulsion polymerization Excessive dust in mining
Concrete and mortar additive Rubber additive Dust suppressor for mining applications
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