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All Categories > Bottles, Jars and Containers > Pharmaceutical > Caps and Closures > Aluminum Seals > Lined Aluminum Seals > Item # SCIAND-80935  


Item # SCIAND-80935, Open Top Seal Lined with Teflon Faced Gray Butyl

These seals are ideal for filing or retrieving contents with a syringe and as closures for many Instrumentation applications. The 8 mm seal is designed for smaller serum finish vials commonly used In autosamplers.





Specifications  · Product Information  · Cap Liner specifications

Specifications

Color
Natural

For Mouth OD
8 mm

Shelf Pack
100


Product Information

Caps & Closures
Wheaton Science Products completes your package with the right closure. We provide a wide variety of caps, seals and stoppers to ensure a perfect fit for your container. Wheaton offers closures suited for a wide range of applications. Products include
  • Aluminum seals
  • Complete Coat rubber stopper
  • l-LOC Closures
  • Leak resistant capes
  • Microlink® caps
  • Rubber stoppers
  • Screw thread GPI finish caps
  • Septa
  • Snap caps
  • Ultra Pure rubber stoppers

Caps & Finishes
Screw thread cap size are expressed in tow numbers, which refer to the cap diameter (in millimeters) and to the GPI finish (the top of the container). For example. a size 28-430 cap has a thread diameter of 28 mm, and fits a container with a 430 GPI thread finish. Below is a selection to caps and finishes.


Cap Liner specifications

Material
Material Description Application
Poly-Vinyl One mil poly-vinyl film bonded to one mil HDPE on a #30 white pulp paper backing. Superior to plain pulp paper because it provides an excellent moisture barrier. General purpose; Suitable for wide range of application. Chemical resistance: Good for mild acids, alkalis, alcohols, oils and aqueous products. Poor for active hydrocarbon and bleaches.
Teflon Faced Foamed Polyethylene Teflon faced foamed polyethylene liner that offers the excellent chemical resistance of Talon with the compressibility and sealing properties of polyethylene foam. Typical applications: analytical lab samples, high purity Chemical, strong acid, solvents. Excellent tar environmental samples, pharmaceuticals and diagnostic reagents.
Poly-Seal Manufactured from polyethylene (LDPE),The unique cone design provides a wedge type seal that not only seals across the top but also across the inside diameter Unique problem solving type of liner. This liner to stress crack resisent and otters superior torque retention and excellent sealing characteristic it is recommended that this liner be tested prior to use for leak seal.
Styrene-Butadiena Rubber (14B) The 148 white rubber lining material consists of homogeneous sulfur cured styrene-butadiene rubber. FDA status complies with 21 CFR 177.26, "Rubber articles intended for repeated use." Excellent properties of resistant to moisture Vapor. Satisfactory for most moderate chemicals not good for oils, strong acids and hydrocarbons. Autoclavable
Teflon® faced Rubber The white rubber/0.005" PTFE liner consist of virign PTFE bonded to the white sulfur cured styrene-butadiene rubber. Complies with the FDA 21 CFR 177.1550 Designed for the ultimate in product safety. PTFE provides totally inert inner seal and surface facing the sample of product. Autoclavable.



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