Skip to Content
Merck
All Photos(1)

Key Documents

Z251720

BIBASE rubber support ring

fits flask, 50 ‑ 500 mL, Blue silicone

Synonym(s):

flask support base, round-bottom flask ring

Sign Into View Organizational & Contract Pricing


About This Item

UNSPSC Code:
41100000
NACRES:
NB.43

material

silicone

sterility

non-sterile

feature

fits flask 50 ‑ 500 mL

packaging

pack of 1

manufacturer/tradename

Sigma-Aldrich

capacity

50-200 mL

Looking for similar products? Visit Product Comparison Guide

General description

Reversible; can also be stacked upon each other. Three sizes provide six different diameters for round-bottom flasks ranging from 50 to 6,000 mL. Excellent adhesion to glass prevents slippage and also offers thermal and electrical insulation. Available in two rubber types.
Black natural rubber − usable at temperatures from -20 to 70 °C (dry heat), -20 to 120 °C (moist heat), and has excellent chemical resistance.
Blue silicone − usable at temperatures from -20 to 200 °C. Withstands repeated high temperature or radiation. Physiologically non-toxic, biologically neutral.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service