About this item

• Material & finish: chromium-plated carbon steel; surface hardness ≥ HR65 and plating for enhanced wear and corrosion resistance
  
• Thermal resistance: heat resistant to 500 °C (≈ 932 °F), suitable for use near heated apparatus and hotplate work
  
• Sizes & compatibility: available O.D./I.D. - 60 mm / 55 mm, 80 mm / 65 mm, 100 mm / 85 mm, 120 mm / 105 mm, 140 mm / 125 mm; fits separatory funnels and standard round glassware
  
• Functionality: laboratory support ring for separations, filtrations and glassware mounting; secures funnels and adapters during reaction and separation workflows
  
• Warranty & service: replacement or refund for items damaged on receipt - contact StonyLab customer support with order number for resolution