Thermo Scientific™ Screw Cap Micro Tubes

Choose these tubes, which available in conical and free-standing designs when seeking secure, short-term sample storage in low temperatures.

Catalog Number	Mfr. No.	Color	Description	Sterility	Fit for Purpose
14-755-204	Thermo Scientific™ 3422NK	Natural	0.5ml Screw Cap Tube, NonKnurl,Skirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
14-755-274	Thermo Scientific™ 3472NK	Natural	0.5ml Screw Cap Tube, NonKnurl,Skirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-217	Thermo Scientific™ 3465NK	Natural	0.5ml Screw Cap Tube, NonKnurl,Skirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-291	Thermo Scientific™ 3462NK	Natural	0.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
14-755-289	Thermo Scientific™ 3460NK	Natural	0.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-305	Thermo Scientific™ 3431NK	Natural	0.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-211	Thermo Scientific™ 3462NKS	Natural	0.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
21-403-540	Thermo Scientific™ 342211	Natural	0.5ml Screw Cap Tube,Knurl,Skirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
21-403-203	Thermo Scientific™ 3472	Natural	0.5ml Screw Cap Tube,Knurl,Skirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
21-403-197	Thermo Scientific™ 3465	Natural	0.5ml Screw Cap Tube,Knurl,Skirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-206	Thermo Scientific™ 3422S	Natural	0.5ml Screw Cap Tube,Knurl,Skirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
14-755-222	Thermo Scientific™ 3466NK	Natural	1.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
14-755-215	Thermo Scientific™ 3464NK	Natural	1.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-208	Thermo Scientific™ 3461NK	Natural	1.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-223	Thermo Scientific™ 3466NKS	Natural	1.5ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
21-403-541	Thermo Scientific™ 3478	Natural	1.5ml Screw Cap Tube,Knurl,Skirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
21-403-204	Thermo Scientific™ 3474	Natural	1.5ml Screw Cap Tube,Knurl,Skirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-287	Thermo Scientific™ 346711	Natural	1.5ml Screw Cap Tube,Knurl,Skirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-277	Thermo Scientific™ 3478S	Natural	1.5ml Screw Cap Tube,Knurl,Skirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
21-403-198	Thermo Scientific™ 3466	Natural	1.5ml Screw Cap Tube,Knurl, NonSkirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
21-403-196	Thermo Scientific™ 3464	Natural	1.5ml Screw Cap Tube,Knurl, NonSkirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-224	Thermo Scientific™ 3466S	Natural	1.5ml Screw Cap Tube,Knurl, NonSkirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
14-755-284	Thermo Scientific™ 3490NK	Natural	2.0ml Screw Cap Tube, NonKnurl,Skirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
14-755-279	Thermo Scientific™ 3488NK	Natural	2.0ml Screw Cap Tube, NonKnurl,Skirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-228	Thermo Scientific™ 3469NK	Natural	2.0ml Screw Cap Tube, NonKnurl,Skirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-285	Thermo Scientific™ 3490NKS	Natural	2.0ml Screw Cap Tube, NonKnurl,Skirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
14-755-233	Thermo Scientific™ 3470NK	Natural	2.0ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
14-755-226	Thermo Scientific™ 3468NK	Natural	2.0ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
14-755-213	Thermo Scientific™ 3463NK	Natural	2.0ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-234	Thermo Scientific™ 3470NKS	Natural	2.0ml Screw Cap Tube, NonKnurl, NonSkirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
21-403-211	Thermo Scientific™ 3490	Natural	2.0ml Screw Cap Tube,Knurl,Skirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
21-403-209	Thermo Scientific™ 3488	Natural	2.0ml Screw Cap Tube,Knurl,Skirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
21-403-201	Thermo Scientific™ 346911	Natural	2.0ml Screw Cap Tube,Knurl,Skirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-286	Thermo Scientific™ 3490S	Natural	2.0ml Screw Cap Tube,Knurl,Skirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
21-403-202	Thermo Scientific™ 3470	Natural	2.0ml Screw Cap Tube,Knurl, NonSkirted,Natural, Non-Sterile tube only no cap	Non-sterile	PCR Ready
21-403-200	Thermo Scientific™ 3468	Natural	2.0ml Screw Cap Tube,Knurl, NonSkirted,Natural, Non-Sterile tube w/ unattached cap	Non-sterile	PCR Ready
21-403-195	Thermo Scientific™ 3463	Natural	2.0ml Screw Cap Tube,Knurl, NonSkirted,Natural, E-Beam Sterile tube w/ attached cap	Sterile	Sterile & PCR Ready
14-755-235	Thermo Scientific™ 3470S	Natural	2.0ml Screw Cap Tube,Knurl, NonSkirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready
21-403-199	Thermo Scientific™ 3467	Natural	Free-standing tube with screw cap & o-ring	Sterile	Sterile & PCR Ready
14-755-205	Thermo Scientific™ 3422NKS	Natural	0.5ml Screw Cap Tube, NonKnurl,Skirted,Natural, E-Beam Sterile, tube only no cap	Sterile	Sterile & PCR Ready

Description

Choose Thermo Scientific™ Screw Cap Micro Tubes, which available in conical and free-standing designs, when seeking secure, short-term sample storage in low temperatures. Their robust design and material selection are well suited for work with biologics and offer rich features, including ultra-clear, externally threaded tubes and UV protective amber tubes. Options include: with or without a self-standing skirted bottom, with or without tethered straps, non-knurl and knurled tubes for single-hand operation, choice of multicolored caps and volume sizes of 0.5mL, 1.5mL and 2.0mL sizes. Screw Cap Micro Tube Caps offer a durable design incorporating an O-ring that helps prevent leaks under demanding conditions.

Non-Sterile is free of Rnase/Dnase, Human and Mouse DNA, Pyrogen & Endotoxin, ATP, PCR Inhibitor.
Sterile E-Beam is free of Rnase/Dnase, Human and Mouse DNA, Pyrogen, Endotoxin, ATP and PCR Inhibitor.
Packaging is tailored to meet broad requirements. Tubes are packaged with and without caps, caps are attached or unattached, placed in a single bag and double bagged feature for clean room environments is available upon request.
100% virgin polypropylene resin specifically selected for high clarity and biologic applications.
O-ring design, thickness and material selection have been optimized to provide protective features for maximum sealing ability, biologic interaction and temperature capability. The black colored O-ring is made from EPDM.
Automated System Compatible. Whether automate is used for filling, capping or labeling, the product is designed to withstand high torque pressures associated with automation. Product design helps to address common automated issues like: fissure cracks, bowl feeder jam, over/under torqued caps and cross threading.
Volume range of 0.5, 1.5 and 2.0mL.
Tube Color choices are an ultra-high clarity, natural color or amber option which provides ultra violet (UV) protection of 1.22% transmittance between 220 and 500nm.
Standard or Tethered cap, all available in a rainbow of colors. Visit cap product page for additional information.
Knurl tubes feature the ability to lock tube into specialty racks for single-hand operation.
Non knurl tubes ideal for automation and labeling, tubes are plain, removed of any labeling interference.
Skirted or Self Standing tubes can stand upright on their own, no rack required.
Conical tubes requires a rack to support them in the upright position.
Low nucleic acid and protein binding and low enzyme inhibition are features that Resin selection features.
RCF range from 18,000 to 25,000 x g.
Temperature Range -80°C to +95°C. Short-term storage in -80°C, -20°C, dry ice and wet ice. Short-term storage in vapor phase LN₂. Suitable for a quick dip flash freeze in LN₂.
Water Bath compatible up to +95°C.

Specifications

• Color: Natural
• Graduated: Yes

† Subject to Thermo Fisher Scientific standard limited warranty. See thermoscientific.com or your sales representative for details.
Screw cap micro tubes and caps are not recommended for autoclave. Sterile options available.
Not intended to submerge and store in liquid phase LN₂.