Laboratory Rubber Stoppers

Our rubber stoppers are designed to meet the specific needs of laboratories, complying with European standards DIN 12871 and ISO 4632/1. Manufactured in the European Union, these stoppers ensure quality and reliability.

Technical Properties:

• Density: Between 1.52 and 1.58 g/cm³
• Hardness: Range from 45 to 54 Shore A

• Chemical Resistance:
  
  
  • Good resistance to oils and hydrocarbons; limited against aromatic hydrocarbons such as benzene, toluene, and xylene.
  • Effective against acids (except oxidizing), fatty acids, vegetable or animal fats.
  • Resistant to alkalis and salts.
  • Low permeability to air and hydrocarbon gases like natural gas, propane, and butane.

• Thermal Resistance:
  
  
  • Moderate resistance to low temperatures and weathering.

• • Thermal stability between -50°C and +90°C.

Please refer to our Drill accessory for stoppers with different calibers for optimal customization.

Available Sizes of Rubber Stoppers