Quality: Natural rubber, SBR, Shore Hardness: approx. 35 °, Color: blue gray, Temperature resistant: from - 35 ° C to + 70 ° C (in damp heat up to + 120 ° C), No minimum order quantity, further dimensions on Inquiry. Perfect sealing and adhesion, holes, 04 to 25 mm = 25,00 € per 100 pieces, 27 to 34 mm = 35,00 € per 100 pieces, 40 to 60 mm = 100,00 € per 100 pieces , Blind holes = 40,00 € per 100 pieces, drilling also possible in combination, resistant to the reagents commonly used in the laboratories. Recommended for contact with non-concentrated or less concentrated solutions, scope of application: Laboratory, pipe technology and electroplating < / p>