Capacity: 7ml
Light Path Length: 20mm
Processing type: Glued/Powder Fusion/Optical Bonding/four & five sided translucency
Wavelength Range: 200nm~2500nm
Packing List: cuvette x 1pc, teflon lid x 1pc
| Process Type | Definition and Principle | Core Characteristics | Advantages | Disadvantages |
| Glued Process | Uses organic adhesives (such as epoxy resin) to bond the optical quartz pieces together. | Organic adhesive bonding, with a bonding interface. | Lowest cost, inexpensive, suitable for routine or disposable tests with low precision requirements. | Poorest performance: Not resistant to strong acids, strong alkalis, or organic solvents (adhesive is easily corroded), unreliable at high temperatures, and has a short lifespan. May have background absorption in the UV range, affecting measurement accuracy. |
| Powder Fusion Process | Fills the seams between quartz pieces with low-melting-point quartz glass powder, then heats them to a high temperature, melting the powder to “weld” the pieces together. | Inorganic material “welding” ; essentially still a type of bonding, with a seam formed by the glass powder. | Good value for money: Resistant to acids, alkalis, and organic solvents, much more durable than glued cuvettes. It is the most widely used process on the market currently. | Risk of leakage: There is a very small potential for leakage at the seams over long-term use or with poor quality manufacturing. Not resistant to high-intensity ultrasonic cleaning. |
| Optical Bonding Process | The contact surfaces of the quartz pieces are polished to optical flatness and then brought into direct contact. They initially bond via intermolecular forces (van der Waals forces), and then high-temperature heat treatment causes molecules at the interface to interdiffuse, eventually fusing into one piece without any adhesive. | Molecular fusion, no interface, truly monolithic construction. | Best performance: Virtually no risk of leakage, extremely strong corrosion resistance and high-temperature tolerance, can withstand ultrasonic cleaning. Excellent optical path consistency, no adhesive interference, the top choice for high-end research and analysis. | Most expensive, complex process, high technical requirements. |











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