(ampoule)glass tube for self-contained biological indicator
height OD customized
Technical data
1. coefficient of linear expansion (6.2-7.5)× 10-6K-1(20C~300C)
2. Content Boron trioxide 5.0%≤ B2O3< 8.0%
3. No cracking under 42C range of temperature
One part of M3 biological indicator
Please contact us if you are interested