A superior grade of rubber that has softness, resiliency, and durability
- Size numbers are molded into the top
- All stoppers are 25 mm long
- Size 2 and above accept 6 mm tubing
- Approximately 454 g (1 lb.) per bag
Black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Stoppers feature a low sulfur content, and will withstand temperatures from –25 to 70 °C (–13 to 158 °F).
Caution: Product contains latex. May cause allergic reactions.
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