 
    
  
• Material: PE (Polyethylene)
• Unit area: 2,800 pcs/m2
• Temperature of continuous using: -80?
• Size: f20mm
• Quantity: 1 box (500 pcs) 
• Special hollow molded and there is no mouth, liquid does not permeate inside.  
• Lightweight and will not be corroded. 
• The prevention effect for evaporation is great, there is no heat loss and is economical.