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No. 439 Jinglian Road, Minhang District, Shanghai,China, 201108
PHONE:+86 21 51096910
EMAIL:
info@welsotech.com
Liquid Handling Consumables
Product Details
These screw cap micro tubes are designed for secure and reliable storage of biological samples under demanding laboratory conditions. Featuring a high-cap design with an integrated O-ring, the tubes provide excellent sealing performance, effectively preventing leakage during transport and storage.
Manufactured from medical-grade materials compliant with USP Class V standards, the tubes ensure outstanding biocompatibility and chemical resistance. Available in multiple volumes and cap color options, they allow easy sample identification and efficient laboratory workflow management.
Ideal for applications involving low-temperature storage, sample transport, and molecular biology experiments, these tubes meet stringent quality and safety requirements, including IATA-tested sealing performance.

Key Features
●Medical-Grade Material
Compliant with USP Biological Reactivity standards (USP Class V), ensuring high biocompatibility
●Non-Cytotoxic
Safe for sensitive biological samples and downstream applications
●Enhanced Sealing with O-Ring Cap
High-cap design with integrated O-ring for superior leak-proof performance (IATA tested)
●Excellent Temperature Resistance
Suitable for extreme conditions from -86°C to 121°C
●Multiple Volume Options
Available in 0.5 mL, 1.5 mL, and 2.0 mL
●Color-Coded Caps
Multiple cap color options for easy sample identification and organization
●Reliable Sealing Performance
Verified under -90 kPa for 15 minutes and 40°C constant temperature testing
●Strong Chemical Resistance
Compatible with acids, bases, and alcohols
●Biocompatibility Certified
Complies with relevant biocompatibility testing standards
Order#
Volume | Cap Color | Color | RNase/DNase Free | Packaging Specifications |
— | Transparent / Red / Blue / Yellow / Green | No | Yes | 500 pcs/bag, 10 bags/case |
— | Solid Red / Yellow / Blue / Green / Orange / White | No | Yes | 500 pcs/bag, 10 bags/case |
— | Brown | No | Yes | 500 pcs/bag, 10 bags/case |
0.5 mL | Transparent / Brown | No | Yes | 500 pcs/bag, 10 bags/case |
1.5 mL | Transparent / Brown | No | Yes | 500 pcs/bag, 10 bags/case |
2.0 mL | Transparent / Brown | No | Yes | 500 pcs/bag, 10 bags/case |
2.0 mL | Transparent, Scale line | No | Yes | 500 pcs/bag, 10 bags/case |
— | Transparent / Red / Blue / Yellow / Green | Yes | Yes | 500 pcs/bag, 10 bags/case |
— | Solid Red / Yellow / Blue / Green / Orange / White | Yes | Yes | 500 pcs/bag, 10 bags/case |
— | Brown | Yes | Yes | 500 pcs/bag, 10 bags/case |
0.5 mL | Transparent / Brown | Yes | Yes | 500 pcs/bag, 10 bags/case |
1.5 mL | Transparent / Brown | Yes | Yes | 500 pcs/bag, 10 bags/case |
2.0 mL | Transparent / Brown | Yes | Yes | 500 pcs/bag, 10 bags/case |
2.0 mL | Transparent, Scale line | Yes | Yes | 500 pcs/bag, 10 bags/case |
0.5 mL | Transparent / Brown, Tube & cap assembled | Yes | Yes | 50 pcs/bag, 40 bags/case |
1.5 mL | Transparent / Brown, Tube & cap assembled | Yes | Yes | 50 pcs/bag, 40 bags/case |
2.0 mL | Transparent / Brown, Tube & cap assembled | Yes | Yes | 50 pcs/bag, 40 bags/case |
2.0 mL | Transparent, Tube & cap assembled, White writing area | Yes | Yes | 50 pcs/bag, 40 bags/case |
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