Topilene ® R530A bụ polypropylene random copolymer emebere nke ọma nke na-egosipụta ọmarịcha usoro na nghọta dị mma. Ọ dabara maka ọgwụ, ịchọ mma na ngwaahịa kọntaktị nri. Topilene ® R530A na-akwado ihe FDA chọrọ na koodu nke Federal Regulations na 21 CFR 177.1520 maka kọntaktị nri. Ngwaahịa a gafere ule US Pharmacopoeia (klas USP Ⅵ) yana ule European Pharmacopoeia (EP 3.1.6) enwere ike iji ya dịka ebumnuche ahụike. Ngwaahịa a nwetakwara nkwado nchịkwa nri na ọgwụ ndị China wee debanye aha ya na ndepụta faịlụ FDA Drug Master. (DMF No. 21499).