What's the adjective for abradable? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs abrade and abrase which may be used as adjectives within certain contexts.
abrasive
Producing abrasion; rough enough to wear away the outer surface. [First attested in 1805.]
Being rough and coarse in manner or disposition; causing irritation. [First attested in 1925.]
“Nonetheless, it is prudent to make sure your boot pivot sockets are clean of grit, since heavy use combined with abrasive material could accelerate wear.”
“Regular maintenance should be performed to prevent abrasive contact between the tool and the machined surface.”
“This minimizes clogging of the abrasive surface of the sharpening stone with metal particles removed from the instrument.”
abrasional
Pertaining to abrasion; formed by abrasion. [First attested in the mid 20th century.]
abrase
(obsolete) Rubbed smooth or blank. [Attested only in the 17th century.]