- Permanently laser etched 2D code on base and human readable number on the base, ensuring a permanent link between sample and data
- 2D codes readable without removing tubes from racks
- High contrast 2D codes are more reliably readable in frost or condensation conditions
- 100%质量控制,每个管都经过测试以确保可读性和独特性
- Leak tested to ensure sample security
- External thread tubes provide greater working volume than internal thread tubes
- Suitable for sealing with either screw caps or TPE septum caps
- 适用于低温储存*
*Not for use in liquid phase nitrogen