Tubes provide optimal contact with the sample block, thus ensuring optimal heat transfer. Prevents cross-contamination. Provides secure seal for oil-free thermal cycling. Individual 0.2mL Thin Wall Tubes require an 8 or 12 Strip Cap to seal each Tube individually. Fabricated from virgin polypropylene. Highly polished inner surface allows for maximum sample recovery. Capacity: Recommended maximum volume for Thermal Cycling amplifications is 100uL. Maximum fill volume for post – Thermal Cycling reagent additions to permit mixing is 200uL. Tubes and Strip Caps are packaged non-sterile and are autoclavable at 121 degrees C, 15 PSI for 15 minutes. Remove from autoclave immediately. Strip Tubes and Strip Caps may be easily cut.