Wuxi Nest Blue, External Thread, Hinged Cap with Sealing Ring, Sterile, 500/pk, 2000/cs , 633961B

Blue external-thread microcentrifuge caps with a hinged looped cap and integrated sealing ring designed for sterile laboratory liquid handling and sample containment. These caps provide a secure, leak-resistant closure for microcentrifuge tubes and are supplied sterile in bulk packs for use in molecular biology, clinical, and general laboratory workflows where contamination control and convenient tube closure are required.

Key Features:

• Color: Blue
• Thread type: External thread
• Cap style: Hinged (looped) cap with integrated sealing ring
• Sterility: Sterile
• Packaging: 500 caps per pack, 2000 caps per case
• Manufacturer part code: 633961B
• Material compatibility: Designed for use with 0.5 mL, 1.5 mL and 2.0 mL microcentrifuge tubes

Advantages:

• Hinged looped cap enables one-handed opening and prevents cap loss during handling.
• Sealing ring provides a reliable, leak-resistant closure to protect samples and reduce contamination risk.
• Sterile packaging supports aseptic workflows and helps maintain sample integrity.
• Bulk sterile packs (500/pack) simplify stocking for high-throughput laboratory use.