WHEATON® Straight Plug Stopper, 20mm, Polymer Coated, Gray Bromobutyl

  • Available in a variety of elastomeric materials including bromobutyl, chlorobutyl, natural rubber, and silicone.
  • Used with aluminum seals and glass vials.
  • Butyl rubber stoppers are often used in vaccines, biologics, and other parenteral drugs.
  • Silicone more commonly used in ophthalmic applications.
  • Red rubber more commonly used for diagnostic, animal health, or laboratory use.
  • Durometers below 50 are suitable for multi-piercing applications
  • Autoclavable
Catalog Number:

Specifications

Specifications
Stopper Style Straight Plug
Color Gray
Size 20
Stopper Material Fluoropolymer Coated, Bromobutyl
Closure Standard Meets the standards for injectable applications defined by USP <381> / EP3.2.1
Autoclavable yes
Durometer 39

Learn about the physical and chemical properties of our glass, plastic and rubber materials.

View Technical Information
Specifications

Specifications

Specifications
Stopper Style Straight Plug
Color Gray
Size 20
Stopper Material Fluoropolymer Coated, Bromobutyl
Closure Standard Meets the standards for injectable applications defined by USP <381> / EP3.2.1
Autoclavable yes
Durometer 39

Learn about the physical and chemical properties of our glass, plastic and rubber materials.

View Technical Information
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