Drilled Rubber Stoppers, Grey-Blue, 21D

Very elastic natural rubber provides good tightness and adhesion. Withstands chemical agents in normal laboratory use. Average resistance at temperatures between -25 DEG and 70 DEG C (120 DEG C in humid conditions).

conical caps
predrilled, rubber
• Meets DIN 12871 standard.
• Natural rubber.
• Ensure a perfect seal and good adhesion.
• Good resistance to chemicals commonly used in the laboratory.
• Temperature of -5 ° C to + 70 ° C (+ 120 ° C in wet heat).
• 1 to 5 pre-perforations by model.