The new CapLock® cap closure guarantees optimum tube sealing for all applications. CapLock® tubes provide enhanced sample security and stay safely closed, even in boiling water baths. Pyrogen-/RNase-/DNase-free, non-sterile and cleanroom-manufactured ISO Class 8, moulded in transparent, medical grade, PP. Can be centrifuged up to 30000 x g. Autoclavable at 1bar, 121°C for 20min. With labelling area on cap and tube. High chemical resistance. Graduation for an easy volume identification.