Internal thread Cryo Vials (Cryogenic tubes or freezing tubes) with Silicone seal Round bottom, 5.0 mL
1. Manufactured from specially formulated polypropylene and designed for storage at temperatures as low as -196º C (only in the gas phase of liquid nitrogen) 2. Silicone washer inside the cap forms a tight, leakproof seal 3. Leak-proof at -95kPa (14psi); 4. Maximum accuracy of graduations at±2% 5. Low temperature resistant (max. °C) : -196°C (gas phase of liquid nitrogen) 6. Centrifugation (max.RCF): 20,000 x g 7. Thick wall makes vials almost unbreakable.