The Type 21 standard PTFE-stoppered cuvette is useful for many experiments that require an airtight seal.

• Hand-made, ensuring the highest quality optical polish with no defects
• Every cell is thoroughly inspected before leaving the factory
• Fire fused to ensure the best bonding
• Lightpaths from 0.5 mm up to 100 mm available
• Two windows optically polished

Cuvettes are made of composite materials, such as Optical Glass, UV Quartz, IR Quartz, to provide the best optical transmission.