These screw cap micro tubes are engineered for secure and reliable storage of biological samples in demanding laboratory environments. Made from premium medical-grade materials, they ensure excellent biocompatibility, sterility, and resistance to extreme conditions. The integrated O-ring sealing system delivers superior leak-proof performance, while the optimized cap structure enhances handling safety and operational efficiency. Available in 0.5 mL, 1.5 mL, and 2.0 mL sizes, they provide flexible solutions for a wide range of applications.

Key Features

● Premium Medical-Grade Materials

Compliant with USP Biological Reactivity standards

Meets USP Class VI plastic requirements

Non-cytotoxic, RNase & DNase free

Pyrogen-free, endotoxin-free, and heavy metal-free

Sterile production in ISO Class 100,000 cleanroom conditions

● Broad Temperature Compatibility

Suitable for use from -86°C to 121°C (-186°F to 250°F)

Maintains structural integrity under extreme conditions

● Enhanced Cap & Sealing System

Lower screw cap with integrated O-ring for superior leak resistance (IATA compliant)

Advanced rotary molding ensures smooth and precise cap fitting

Gas-tight sealing technology prevents leakage even under pressure

● User-Friendly Tube Design

Skirted base with knurled surface for easy handling and stability

Compatible with automated filling systems

Color-coded caps for quick sample identification

Excellent chemical resistance to acids, alkalis, and alcohols

● Proven Sealing Reliability

Leak-tested under -90 kPa vacuum for 15 minutes

Stable sealing performance verified at 40°C constant temperature

● Biocompatibility Assurance

Fully compliant with recognized biocompatibility testing standards

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