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Tubes: made of strong, highly transparent medical grade polypropylene
● Tubes: made of strong, highly transparent medical grade polypropylene ● Flat-top caps: made of medical grade polyethylene ● Plug-seal screw on caps: made of medical grade polypropylene ● 15ml and 50ml conical tubes available; large white writing area for easy marking ● Double threaded design reduces cross-threading; caps are easily opened and closed ● Flat-top caps can be written on ● Gamma radiation sterilized, non-pyrogenic ● No heavy metals ● Available in racked package (sterile) or bulk package (sterile & non-sterile) ● RNase & DNase free Specifications ● Working temperature: stable from -20°C to 121°C (except flat-top cap) ● 15ml and 50ml tubes can withstand centrifugation of 8,400 and 9,400 RCF respectively ● Sealing test: complies with The International Air Transport Association (IATA) Safety Standards