- 100% pure polypropylene material (100% PP)
- The product can tolerate 15 Psi and 121℃ sterilization
- Thick tube wall
- Spiral cap and wall of the storage body are made of polypropylene with the same expansion coefficient, further increasing it’s sealing ability at different temperatures
- Free of DNases, RNase, and endotoxins
- Can be used to store sample in liquid nitrogen (<-80℃)
- Silicone seals between cap screw and tube body to ensure a tight seal
- Amber color to protect content from light
- Non-sterile.