Stopper Penny Head 16 no
SKU CH0870I/PK10
Size
- Description
- 3.3 Boro Glass Specs
- Glassware Sell Sheet
- Solid penny head stopper with flat end
- Made of high quality borosilicate 3.3 glass conforming to
- ASTM E-438, Type-1, Class-A requirements Autoclavable at 121 C
Thermal Properties
Property | Value |
---|---|
Coefficient of Linear Expansion | 32.5 x 10-7 / °C |
Strain Point | 515°C |
Annealing Point | 565°C |
Softening Point | 820°C |
Specific Heat | 0.2 |
Thermal Conductivity (Cal/cm³°C/Sec) | 0.0027 |
Chemical Durability
Contact Chemical | Duration (hours) | Loss in weight (mg/m²) |
---|---|---|
Water distilled at 100°C | 6 | 10 |
Water vapour steam at 121°C | 1 | 75 |
Acid HCl | 6 | 100 |
80% H2SO4 at 130°C | 12 | 140 |
Alkali -1N solution of Na2CO3 boiling | 6 | 4000 |
Isotonic infusion Fluids - NaCl (0.85%) at 121°C | 2.5 | 70 |
Isotonic infusion Fluids - Glucose (5%) at 121°C | 2.5 | 50 |