SMA as an additive to join ABS, what role on the ABS ah?

Waterproof Admixture Concrete Vma Concrete Admixture Common Household Substances Cleaning Substances Household Substances Concrete Admixture Formulation Foam Concrete Admixture Barrier One Admixture Linear Shrinkage Carboxymethyl Hydroxyethyl Cellulose Sulphonated Naphthalene Formaldehyde Cellulose Insulation Soundproof Foam Spray Spray Foam Roofing Stainless Steel Flux Core Wire Stainless Steel Caulk Solder For Stainless Steel Flux Core Stainless Steel Wire Flux Core Wire Stainless Steel Spray Paint Galvanized Steel