A. Rigorous testing procedures
ISI Mark laboratory glassware undergoes a series of stringent tests to ensure its quality and reliability.
These procedures include:
- Visual inspection for defects
- Dimensional accuracy checks
- Thermal shock resistance tests
- Chemical resistance evaluations
- Volumetric precision assessments
B. Material specifications
The materials used in ISI Mark glassware are carefully selected to meet specific requirements:
| Property | Specification |
|---|---|
| Composition | Borosilicate glass |
| Thermal expansion | Low coefficient |
| Clarity | High transparency |
| Purity | Minimal contaminants |
C. Precision and accuracy standards
ISI Mark glassware adheres to strict precision and accuracy standards:
- Volumetric tolerances within ±0.1% to ±0.5%
- Graduated markings with high readability
- Calibration at standard temperature (20° or 27°C)
- Traceability to national and international standards
D. Durability and chemical resistance
The durability and chemical resistance of ISI Mark glassware are paramount:
- Resistance to a wide range of chemicals and solvents
- Ability to withstand repeated autoclaving cycles
- High mechanical strength to prevent breakage during normal use
- Long-term stability for consistent performance over time
These quality assurance measures ensure that ISI Mark laboratory glassware meets the rigorous demands of scientific research and industrial applications. Next, we’ll explore the various types of ISI Mark glassware available for different laboratory needs.A. Rigorous testing procedures
ISI Mark laboratory glassware undergoes a series of stringent tests to ensure its quality and reliability. These procedures include:
- Visual inspection for defects
- Dimensional accuracy checks
- Thermal shock resistance tests
- Chemical resistance evaluations
- Volumetric precision assessments