Rubber Stopper, Size #1

 

This rubber stopper is available
as a solid, or with one hole.

Top: 3/4" (19mm)
Bottom: 9/16" (14mm)
Length: 1" (25mm)

See our Rubber Stopper Size Chart.

  
Available Discounts
Rubber Stopper Discount
  • buy at least 12, save 10%
Cat. No. - NC-0951
Price - $0.50
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All of our black rubber stoppers are laboratory grade.

These rubber stoppers contain a high percentage of pure rubber and are low in free sulfur. The stopper composition ensures resiliency and pliability over a long period and will withstand laboratory conditions without hardening.

The upper working temperature of these black rubber stoppers is 212°F.