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Z251720

BIBASE rubber support ring

fits flask, 50 ‑ 500 mL, Blue silicone

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Synonym(s):
flask support base, round-bottom flask ring
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

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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.

Regulatory Information

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