Sigillum Wax Sealant

LW Scientific's capillary tube sealing tray contains a unique wax compound that quickly forms a leak-tight seal. Non-toxic, non-drying and non-hardening, the sealant is formulated to withstand centrifugation. There is no need for plastic caps or heat sealing. The tray has 24 numbered places for easy patient identification.

• For use with the microhematocrit capillary tubes
• 1 Box (includes 10 trays)