精准通用型吸头由聚丙烯制成。薄壁设计可保证无论对单道还是多道的更佳密封性能。产品保证不含RNase, DNase, 内毒素和 PCR 抑制剂。These universal pipet tips are made from virgin polypropylene. The thin wall design ensures an optimal seal and easy ejection with industry leading pipettors. Eco-friendly racks are made from recycled polypropylene and feature a unique compact packaging configuration that reduces the carbon footprint.