About this item

• Experimental Use: the sleeve designed to fit over standard glass ground joints, enhancing seal tightness and connection stability, suitable for reactions, distillation, or vacuum setups
  
• Parameter: fits 24/40 or 29/42 standard taper joints, with a wall thickness of approximately 1.0 mm and weight around 5 g per piece
  
• Material: PTFE, acid and alkali resistant, sturdy and reusable
  
• Precautions: max use temperature up to 250 °C; prolonged exposure near the upper limit may affect material stability
  
• Warranty: 1-year limited manufacturer warranty for peace of mind