Rubber Bulbs

Key Functional Benefits:

• Heavy-Wall Neck Design: The reinforced thickness at the opening increases the friction-grip on glass or plastic shafts, preventing accidental drops, slips, or vacuum leaks during aspiration.
• Structural Reinforcing Ribs (150mL Model): The high-volume HS20630E features embedded exterior ribbing. This stops the large bulb from collapsing in on itself under heavy vacuum loads, providing a steady, safe release.
• Smooth Tactile Feedback: The natural rubber compound yields consistent, predictable suction responses with minimal hand fatigue over repetitive cycles.

Laboratory Handling Best Practices:

• Insertion Safety: When pairing a rubber bulb with a glass pipette, never hold the pipette far from the tip. Hold the glass right next to the neck of the bulb and press gently with a twisting motion. Holding it too far away can cause the glass to snap and cause injury.
• Chemical Longevity: Natural rubber is excellent for general aqueous solutions, but it can degrade when exposed to harsh organic solvents or volatile acids over long periods. Always rinse or wipe clean if accidental fluid back-flow occurs.
• Storage Tip: Keep rubber bulbs out of direct sunlight and away from high-heat zones when not in use. UV exposure and dry heat can cause the rubber to oxidize, crack, or lose its structural elasticity over time.