Accessories

Cuvette Caps

PTFE screw caps (M10 thread) for the 10 mm quartz screw cap cuvette. Sold per pack of 5 pieces (US$65.00 per pack) as optional accessories — solid lid with PTFE septum for full chemical resistance, or solid / injectable lid with silicone septum for soft sealing and syringe access. All caps are fully sealed for anaerobic and volatile-sample experiments.

Replacement Cuvette Caps & PTFE Lids

Keep your cuvettes sealed and your samples protected with Scuvette's cuvette caps. Our PTFE-thread caps fit M10 and M12 screw cap cuvettes and provide a leak-resistant seal for volatile, anaerobic and high-temperature experiments. Caps are sold individually so you can replace lost or worn closures without buying a new cell.

Pair these caps with our screw cap cuvettes for a complete sealed-cell solution. Need a different thread size or material? Contact us — we offer OEM caps and custom sealing solutions.

PTFE Solid Screw Cap

PTFE Septum

PTFE solid screw cap with PTFE septum for the 10 mm quartz screw cap cuvette. PTFE-on-PTFE construction gives the best chemical resistance — resistant to acid, alkali, organic solvent and UV. Screw thread M10. Sold per pack of 5 pieces as optional accessory.

✓ Full chemical resistance — acid / alkali / organic solvent / UV resistant.

Thread: M10 · SKU: qc-cap-solid-ptfe · Pack: 5 pieces

$65.00 / pack of 5

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PTFE Solid Screw Cap

Silicone Septum

PTFE solid screw cap with silicone septum for the 10 mm quartz screw cap cuvette. Soft silicone septum gives reliable sealing at room temperature. Screw thread M10. Sold per pack of 5 pieces as optional accessory.

⚠ Silicone septum is NOT resistant to corrosive chemicals (strong acid / strong alkali / organic solvents). Use only with neutral samples.

Thread: M10 · SKU: qc-cap-solid-silicone · Pack: 5 pieces

$65.00 / pack of 5

Inquiry

PTFE Injectable Screw Cap

Silicone Septum

PTFE injectable screw cap with silicone septum for the 10 mm quartz screw cap cuvette. The lid has a small centre hole so a syringe needle can pierce the silicone septum to add or withdraw samples without opening the cap. Screw thread M10. Sold per pack of 5 pieces as optional accessory.

⚠ Silicone septum is NOT resistant to corrosive chemicals (strong acid / strong alkali / organic solvents). Use only with neutral samples.

Thread: M10 · SKU: qc-cap-injectable-silicone · Pack: 5 pieces

$65.00 / pack of 5

Inquiry

Compatible with: 10 mm quartz screw cap cuvettes, two-way (standard M10 and large M12 including EU version and seat design) plus round-bottom two-way (standard M10, cap height 50mm), round-bottom four-way (standard M10 and large M12), flat-bottom four-way (standard M10), square-bottom five-way (standard M10), square-bottom four-way EU version (large M12) and seat-design five-way (large M12), 3.5 mL, fully sealed — Japanese imported JGS1 fused silica, optical contact one-piece molding.

View Screw Cap Cuvettes

Cuvette Caps & Lids — Frequently Asked Questions

What are cuvette caps and lids for?

PTFE (Teflon) screw caps and snap lids seal the cell to prevent evaporation, contamination and spills during long scans or heating. 10 mm cuvette with cap.

Which cap fits which cuvette?

M10/M12 threaded caps fit screw-cap cuvettes; open-top cells take snap lids. Check the thread size on your cell. Screw cap cuvette range.

Are PTFE caps solvent-resistant?

Yes — PTFE resists virtually all laboratory solvents and dilute acids except hydrofluoric acid, and seals the quartz body without swelling, keeping samples pure.

Cuvette Caps

Replacement Cuvette Caps & PTFE Lids

Cuvette Caps & Lids — Frequently Asked Questions

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