Labware and Lab Supplies Products & Reviews

SuperSpin™ 1.5 mL tubes feature an extra thick and durable wall that can withstand high speed centrifugation. The ultra-clear polypropylene resin gives you a clear view of the pellet as well as correct colour rendition. They are clear enough to be used in a spectrophotometer and have no extractables at the wavelength ranges used to detect DNA. They can be easily opened and closed many times to add or remove reagents.

175 mL and 225 mL virgin polypropylene centrifuge tubes fit standard cushion and rotors of floor models and benchtop centrifuges. They are perfect for clarifying large volume solutions or concentrating live cells in tissue culture. Include our exclusive flat caps with an integrated elastomeric sealing ring that eliminates liquid leaking. 

The first paddle blender bag designed to be autoclave resistant for disposal

Speed up and simplify your sample preparation process with our range of instantly soluble,  ready to use, sterile media granules.  Pre-weighed, available in standard sample bags or sachets, Insterprep allows busy laboratories to respond quickly to work flow demands.  Find the right Insterprep for your laboratory and cut sample processing time and waste.

Patented Bottle for Acids – with Added Safety

Gas-tight Syringe, 1000µL

Request your free sample at: SigmaAldrich.com/pHast-Pack

Cluster tubes are composed of 1.2 mL 96 individual polypropylene tubes in a 96 well microplate rack with lid Polyethylene tube caps are available in 8-cap strips (Corning No. 4418)

J.G. Finneran Associates introduces the Interlocked™ Limited Volume Vial.  The vial is designed to use a glass top flange insert, permanently interlocked into the vial.  The vial and insert are fused together to eliminate insert movement which can cause needle breakage.  The Interlocked vial provides the convenience and performance characteristics of a one piece microvial at a fraction of the cost.    •  The Interlocked Vial…

J.G. Finneran's Versa Vial™ has a vase-like neck that allows pick up with an autosampler's robotic arm.  The 1.5mL polypropylene vial offers the largest capacity available for a 12x32mm plastic vial.  The vial is available with the 11mm crimp, 9mm and 8mm screw thread finishes.  The new design also accommodates a variety of plug sealing methods: PTFE/Silicone PlugPTFE/Silicone Plug with SlitSiliconized Gray Chlorobutyl PlugPo…

(This is the suggested replacement for 431651)Corning® 15 mL clear polypropylene (PP) centrifuge tubes come with the advanced polyethylene CentriStar™ caps and are bulk packed 50 per bag. Foam racks can be purchased separately. The CentriStar™ Cap has a easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary…

CBS Freezer Racks supplies upright freezer racks, chest freezer racks, liquid nitrogen freezer racks, canisters/cassettes, frames, cryo boxes and dividers. By understanding the needs of the biotechnology industry, CBS Freezer Racks provides superior cryogenic equipment and supplies that support scientific and medical research laboratories, cell and tissue banks.

Small-2-Tall™ Rack Ideal for use with 50 mm-150 mm tubes Unlike other racks that can obstruct labeling on short 50 mm tubes, the single tier makes it ideal to view labels at a glance. The second tier can be added for taller tubes - up to 150 mm - with the same stability and confidence. Easy-to-assemble interchangeable tiers securely connect for “small or tall” applications – it’s like getting two racks in one. When not in use,…

Grab Rack™ and Grab Rack™ Plus Two racks feature silicon grips to hold tubes in place Turn the rack over and the tubes will not fall out! Great for unloading contents while tubes stay in place. Tubes insert and extract with a gentle push or pull. The Plus version also has an eject feature that allows all tubes to all be released simultaneously. ABS rack with silicon griping fingers. No assembly required. Not autoclavable. HS24…

Economy Cardboard Tube Racks A low-cost way to organize your tubes! Economy cardboard racks offer a quick and inexpensive solution with the added convenience of disposing after use. Provides write-on surface for descriptions or self numbering systems. Available in two sizes and made of high quality, white coated cardboard. Pack of 50

Universal Tube Rack A rack for every application Quickly change tube sizes with this adaptable polypropylene rack. Open the iris with a turn of the knob or directly insert a tube into the opening. Holds up to 12 similar size tubes. Imprinted references for easy identification. Generously-sized handles for easy transport. Accepts tubes from 15mL to 50mL (diameter of 16mm - 30mm). No assembly required. Not recommended for cleani…

Corning® 50 mL clear polypropylene (PP) self-standing centrifuge tubes come with the advanced polyethylene CentriStar™ caps and are bulk packed 25 per bulk bag. The CentriStar™ cap has an easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary plug feature that virtually eliminated all seepage when used under…

Ziath’s Microtube Picker allows one-handed removal of cryogenic vials and screw-cap microtubes from racks. The Microtube Picker simplifies retrieval of tubes, minimises heat transfer and reduces the risk of cross contamination.

J. G. Finneran Associates is the original designer and manufacturer of the 100µL Polypropylene Vial. Use plastic vials for applications in ion chromatography, capillary electrophoresis, atomic absorption, pH sensitive samples, sodium and heavy metals analyses, and aqueous samples.

The ID design of the J.G. Finneran R.A.M.™ Vial incorporates the Step Vial feature that precisely centers a limited volume inert in the vial neck. The flanged conical insert will only work in the Finneran vial.

40% larger opening, the R.A.M.™ Vial is specifically designed to work in robotic arm autosamplers such as Agilent. Choose from clear or amber Type I borosilicate glass. Available with graduated marking spots which can be written on with a #2 pencil.

Designed for use with 20mm headspace vials, the BiMetal Seal is comprised of tin and aluminum materials. The outer surface (red or blue) is aluminum and the inner diameter is a silver tin.  The Seal is available preassembled with a .118" PTFE/Silicone Septa or a .100" PTFE/Silicone Septa.

A convenient and easier alternative to aluminum seals, the 9mm magnetic cover and screw thread closure prefitted with a variety of septa is designed for use in CTC GC PAL, Agilent, Gerstel and Shimadzu instruments.

CoolRack® M90 is a thermo-conductive tube holder for 1.5ml or 2.0ml microcentrifuge tubes. Maintains temperature through direct contact with ice, dry ice, water, or liquid nitrogen. Instantly organizes, protects, and standardizes temperature and temperature-shift profiles of all samples.Precision-engineered for optimal tube contact and thermal transfer. Patented aluminum alloy construction rapidly adapts to any temperature sou…