Caps and Closures

Filtration Microfiltration Assembly 47 mm With Bottle and Fritted Glass Support Ultra-Ware Component Parts. (6) Sealing Ring Silicone/PTFE 42 mm. This filtration assembly is specially designed to collect the filtrate directly into a media-style bottle. (1 per EA)

Stoppers PTFE Solid color-coded key-head. [standard taper] flask length. [standard taper] Stopper Size 19. Approx. Diameter at Large End (mm) 19.7. Length of Ground Zone (mm) 17.0. Color Code Green Used with flasks mixing cylinders separatory funnels etc. (6 per CS )

Caps closures White Polypropylene Linerless for Screw Thread Culture Tube GPI Thread Finish 13-415 Natural polypropylene. Of one-piece construction with a seal achieved due to a unique inner sealing ring. Autoclavable. (1000 per CS )

Black Phenolic Cap 38-400 with a polyethylene liner. Caps are sold 144 per case in 12 bags of 12. (144 per CS )

Pennyhead Stopper Accessory item for use with solvent repurification distillation apparatus (KT547600-0125 -0500). [Standard Taper] 24/40. (1 per EA)

NMR Sample Tube Pressure Caps Polyethylene Assorted Colors for 5 and 10 mm Tubes Fits Tube Size (mm) 5. Color White A tight-fitting polyethylene cap which stays in place even with a build-up of internal vaporization pressures. (100 per CS )

NMR Sample Tube Pressure Caps Polyethylene Assorted Colors for 5 and 10 mm Tubes Fits Tube Size (mm) 10. Color Black A tight-fitting polyethylene cap which stays in place even with a build-up of internal vaporization pressures. (100 per CS )

Snap Cap Polyethylene Size: 4. Replacement for 100mL KIMAX volumetric flasks. (6 per CS )

Caps closures Blue Nylon Open Top Modified GPI Thread 20-400. Approx. Hole Diameter (mm) 15 Glass-filled nylon cap with modified GPI thread finish to accommodate use with an o-ring seal. The 410119-1307 and 410119-2015 caps are used for the Microflex microscale chemistry kits. (12 per CS )

Sealing Ring Silicone Kimble chase midi-vap 4000 silicone sealing ring for gl14 cap (2 supplied) for ammonia and phenol distillation system10/case (10 per CS )

Stoppers PTFE Solid color-coded key-head. [standard taper] flask length. [standard taper] Stopper Size 22. Approx. Diameter at Large End (mm) 22.05. Length of Ground Zone (mm) 20.5. Color Code Yellow Used with flasks mixing cylinders separatory funnels etc. (6 per CS )

Chromatography Column Threaded Standard CHROMAFLEX Screw Cap 2.5 cm Columns are supplied complete with glass barrel and 2 end fittings with 20 m porosity HDPE bed supports. Each column is also supplied with 5 feet (1.5 m) of PTFE tubing (1/16 OD with 1.0 cm 1/8 OD with 2.5 and 4. (1 per EA)

Chromatography Column Threaded Jacketed AQ-Aqueous CHROMAFLEX Screw Cap 1.0 cm Columns are supplied complete with glass barrel water jacket and 2 end fittings with 20 m porosity HDPE bed supports. Each column is also supplied with 5 feet (1.5 m) of PTFE tubing (1/16 OD with 1. (1 per EA)

HPLC Filtration Cap ULTRA-WARE Filter Diameter 47 mm. Cap Thread GL 45 Body is constructed of glass-filled PTFE with a vacuum adapter for 1/4 I.D. tubing. Upper screw clamp holds a solvent pickup adapter or funnel. Coarse fritted glass filter support is removable. (1 per EA)

Gas Sampling Midget Impinger [standard taper] 24/40 Graduated Dispersion Tube [standard taper] 24/40 The midget impinger is almost identical in principle and design to the Greenburg-Smith impinger except for its smaller size. Only a 12 head of water is required. (1 per EA)

Black Phenolic Open-Top Screw Cap Excellent chemical resistance. Autoclavable. GPI thread finish: 18-400. (144 per CS )

Caps closures Microlink Screw Thread Polypropylene with Welded PTFE / Silicone Liner Patented GPI Thread Finish 15-415 Closures are ideal for repeated autoclaving. The welded liner also eliminates the possibility of glue contamination. (288 per CS )

KIMAXbrand Screw Thread Closure ConeSolid TopBlack PhenolicPolyseal GPI Thread Finish 15-425

Snap Cap Size 2 Polyethylene snap cap for use with 10 and 15mL conical centrifuge tube s (21020-742 -764). (500 per CS )

Stoppers Rubber Sleeve Plug-Type Plug Diameter (mm) 24 Hollow plug-type white rubber stopper. (50 per CS )

Solid Pennyhead Standard Taper Stoppers Meet ASTM Specification E694. Standard taper stopper size 16. (1 per EA)

Solid Pennyhead Standard Taper Stoppers Meet ASTM Specification E694. Standard taper stopper size 22. (1 per EA)

Stopper Standard Taper Pennyhead Medium Length Solid. Standard taper joint 14/20 with 20mm length. (1 per EA)

Stoppers Glass Stopper Solid [standard taper] Pennyhead with Lug KEM-KLAMP [standard taper] Joint 24/40 Designed for use with 675500 Kem-Klamps. Pennyhead top has a lug attachment to engage the spring portion of the Kem-Klamp. (1 per EA)