Nacalai USA - Innovations for Life Sciences

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Rapid Slit Seal


  • Self-closing after dispensing
  • Prevents needle clogging
  • Easy to insert pipette tips
  • Minimize solvent evaporation.
  • No adhesive on well spots
  • Working temperature range: -80°C to 37°C

Difference from Silcon Mats

  • Pre-cut slits easily open by pipette.
  • PET layer reduces the friction of pipette tips and make it very smooth.
  • Lower cost than silicone mats.

Preventing Evaporation

RAPID Slit Seal was evaluated the performance of airtightness by measuring the weight of plates over time for 22 hours. 150 ul of acetonitrile and water were dispensed to all wells. The plates were sealed with RAPID Slit Seal and stored at temperature of 4°C and 37°C., respeectively. As a control for complete closed system, aluminum foil seals were used to cover well plates at the same condition. Then, as a control for open system, plates without any cover seals were prepared as described conditions above. The results were presented in percentage of the decrease compared with time zero immediately after the sealing.

RAPID Slit Seal (RSS) Showed high airtightness to acetonitrile and water under the temperature of 4°C (Figure. 1) and 37°C (Figure. 2), respectively.

Brochure and Manual

Product Brochure (PDF)
Manual (PDF)

Ordering Information

Product Cat.No. Quantity Price(US$)  
Rapid Slit Seal R80.120.00 100 Sheets 398.00 Buy