Makrolon 2458是一種低粘度聚碳酸酯（PC）等級。適用于121°C下的EtO和蒸汽滅菌。具有易脫模、高耐熱性、良好的韌性、良好的尺寸穩定性、高蠕變模量和良好的電絕緣性能。具有高流動性、良好的透明度、高沖擊強度以及耐化學和水解性。由該等級制成的產品具有經用性、高效的可重復使用性以及節約能源和二氧化碳排放。適用于注塑加工。2458建議用于腎上腺素自動注射器等醫療應用。根據ISO 10993-1測試要求，具有生物相容性。

Makrolon 2458 is a low viscosity polycarbonate (PC) grade. Is suitable for EtO and steam sterilization at 121°C. Exhibits easy release, high heat resistance, good toughness, good dimensional stability, high creep modulus and good electrical insulation properties. Possesses high-flow, good transparency, high impact strength and chemical and hydrolysis resistance. Products made from the grade provides durability, efficient reusability and energy and CO2 emission savings. Is suitable for processing by injection molding. 2458 is recommended for medical applications like in epinephrine auto-injector. Is biocompatible according to ISO 10993-1 test requirements.