Polystyrene conical bottom bottles RCF to 5,800 x g Withstand temperatures of +20 to +90 C Sterile Conical bottom Bottles include 58 mm HDPE caps. . Dimensions (o.d. x H, mm): 61.5 serum, and buffers. The polystyrene bottles are optically clear, have low extractable substances and have good alcohol compatibility.