Topilene ® R530A ke polypropylene random copolymer e entsoeng ka mokhoa o khethehileng e nang le ts'ebetso e babatsehang ea ho sebetsa le ho hlaka hantle. E loketse lihlahisoa tsa meriana, tsa litlolo le tsa lijo. Topilene ® R530A e dumellana le ditlhoko tsa FDA ho khoutu ya Federal Regulations ho 21 CFR 177.1520 bakeng sa ho kopana le dijo. Sehlahisoa sena se fetile tlhahlobo ea US Pharmacopoeia(USP class Ⅵ) hammoho le tlhahlobo ea Pharmacopoeia ea Europe(EP 3.1.6) mme e ka sebelisoa e le morero oa bongaka. Sehlahisoa sena se boetse se fumane tumello ea Tsamaiso ea Lijo le Lithethefatsi tsa China 'me se ngolisitsoe lethathamong la FDA Drug Master File. (DMF No. 21499).