5ml Micrewtube Screw Caps,
Amber, 200 per package
RP-401101A

5ml Micrewtube Screw Caps,
Amber, 200 per package
RP-401101A

Tubes are manufactured or exceptionally high-quality, transparent polypropylene without the use of slip agents, plasticizers, mold release agents and biocide substances. Offer exceptional centrifugation stability up to 25,000 x g; autoclaving with cap off; (121°C, 20 minutes); withstand temperatures from +121°C to -196°C; and writing surface on flat cap and side wall for quick sample indentification.

Caps offer complete sealing for minimal evaporation rate during long-term storage. Center of caps feature membrane for easy puncture and access with a syringe/needle. Once punctured, the opening can be useful for venting internal pressure during heating.