This rubber stopper is available
only as a solid.


Top: 1/2" (12.7mm)
Bottom: 5/16" (8.2mm)
Length: 13/16" (21mm)

Available Discounts

Rubber Stopper Discount
  • buy at least 12, save 10%
Cat No. - NC-0969
Price: $0.40
Qty:
 

Description 

Features...

  • All of our black rubber stoppers are laboratory grade.
  • They contain a high percentage of pure rubber and are resistant to chemical attack.
  • Stopper composition ensures resiliency and pliability over a long period.
  • Withstands laboratory conditions without hardening.
  • The upper working temperature is 212°F.

Fits these Test Tubes:

See our Rubber Stopper Size Chart for top, bottom and length specs of our other stoppers.

Sample Header Text