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Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.
Description:
Microcentrifuge Tube Flat Top Cap With O-Ring Seal. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +121C. Cs/1000. Natural
Description:
Disposable. Serve as a closure for KIM-RAK* culture tube systems or other culture tubes of comparable sizes. Autoclavable. For tube OD 16mm. Natural.
Description:
For use with test tubes and flasks. Proven non-toxic to algae. Plug springs back to original shape after repeated use. Autoclavable and chemically resistant. For OD 35 to 45mm.
Description:
GPI Thread Finish; 18-415 Natural polypropylene. Of one-piece construction with a seal achieved due to a unique inner sealing ring. Autoclavable.
Description:
Are an effective way to recap blood drawing tubes, Glass test tubes and plastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, 13mm, pe, for 13mm Glass and evacuated tubes and 12mm plastic test tubes, yellow.
Description:
Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Yellow, For 20mm Glass Culture Tubes, Ridges inside cap provide secure grip, gas exchange, Fit plain end culture tubes and flasks, Maintain sterility without cotton plugging
Description:
Ideal for resealing most 16mm evacuated glass blood collection tubes. Thumb tab for easy on/off. Caution: Not to be used with glass culture tubes. Designed for glass blood collection tubes.
Description:
Microcentrifuge Tube Cap With O-Ring Seal Design. Use With T345 For Color Coding Sample Identification. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Orange
Description:
Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Blue, For 20mm Glass Culture Tubes, Ridges inside cap provide secure grip and gas exchange, Fit plain end culture tubes and flasks, Maintain sterility without cotton plugging
Description:
For blood collection and glass or plastic test tubes. Seals inside rim of 16mm, and seals outside rim of 12 and 13mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Blue.
Description:
One-piece, autoclavable, polypropylene clamp that eliminates knot tying for dialysis tubing. Locks over end of tubing, ensuring strong leakproof seal. For best results, select one that is 4 to 10mm longer than the flat width of the tubing. Gripping width: up to 12mm.
Description:
Are an effective way to recap blood drawing tubes, Glass test tubes and plastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, agitation and refrigeration procedures, 16mm, pe, for 16mm Glass and evacuated tubes, blue.
Description:
NMR Tube Cap, 5mm, Pk./100. Color: Green. Made from polyethylene, these caps are sized to fit 5mm O.D. NMR sample tubes. Cap fits tightly to stay in place during increased internal vaporization pressure.
Description:
Microcentrifuge Tube Flat Top Cap With O-Ring Seal. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Brown
Description:
Size; 13-415. Approx. Cap Height (mm); 14 Cap is made of a special phenolic material (mineral filled) to withstand the effects of repeated autoclaving.
Description:
For blood collection and glass or plastic test tubes. Seals inside rim of 12mm or 13mm tubes, and seals outside rim of 10mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. White.
Description:
Screw cap for internal thread sample tube, with/without silicone washer between cap/tube to ensure a positive leakproof seal at all temperatures, Material: Polypropylene, Autoclavable, long skirt and super-fast thread design, removed or screwed on with 1 1/4turn, Colour: Green
Description:
10 w/weights, 10 w/out. When a Weighted Closure is used in conjunction with a regular closure, a vertical position of the dialysis tubing is achieved, increasing the rate of dialysis.
Description:
Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Green, For 25mm Glass Culture Tubes, Ridges inside cap provide secure grip/ gas exchange, Fit plain end culture tubes, flasks, Maintain sterility without cotton plugging
Description:
For blood collection and glass or plastic test tubes. Seals inside rim of 12mm or 13mm tubes, and seals outside rim of 10mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Yellow.
Description:
Black. Nylon closure locks gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F). Provides strong, leak-proof seal. Sinks in water. Can be sterilized with gamma radiation, ethylene oxide, ethanol, or formaldehyde. Not autoclavable.
Description:
Phenolic resin screw cap with rubber liner. For use with 40mL conical-bottom centrifuge tube (21052-024). Withstands effects of repeated autoclaving. Meets ASTM E982, Class A requirements.
Description:
Feature imbedded fluoropolymer resin-coated magnetic weight. Sink in water. Provide slow spin movement of membrane when used with magnetic stir plate. No additional stirring bar required to maintain continuous motion. Not for use with CE or PVDF tubing.
Description:
Are an effective way to recap blood drawing tubes, Glass test tubes and plastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, agitation and refrigeration procedures, 16mm, pe, for 16mm Glass and evacuated tubes, white.
Description:
Pierce-It* Closure, 12mm green, Made of thermoplastic elastomer, These disposable closures produce a firm, leak-resistant seal for glass and plastic tubes, They will protect samples from evaporation and contamination
Description:
Microcentrifuge Tube Flat Top Cap With Lip Seal Design. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Green.
Description:
Made of polyethylene. Seal tubes tightly for storage. Can be used with rows of tubes or cut apart for individual samples. For 0.75 and 1.2mL tubes.
Description:
Thread Size: 24-400; Liner Type: Rubber. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.
Description:
Pierce-It* Closure, 12mm red, Made of thermoplastic elastomer, These disposable closures produce a firm, leak-resistant seal for glass and plastic tubes, They will protect samples from evaporation and contamination
Description:
Microcentrifuge Tube Cap With Lip Seal Design. Use With T345 For Color Coding Sample Identification. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Brown
Description:
Orange. One-piece, autoclavable polypropylene closures. For use with Spectra/Por 1 through 7 Regenerated Cellulose and Biotech Regenerated Cellulose membrane tubing. Not for use with CE or PVDF tubing. Eliminate tying knots in the membrane tubing. Packaged 10/box.
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