Product Overview

Apiezon H Grease is a premium high-vacuum sealing and lubrication grease engineered for demanding laboratory, scientific, and industrial applications. Formulated to provide exceptional sealing performance under high temperatures and vacuum conditions, Apiezon H is widely used on glass joints, valves, ground glass fittings, O-rings, and precision vacuum equipment where long-lasting performance and chemical stability are essential.

Product Description

Apiezon H Grease is a high-performance vacuum grease specifically developed for applications requiring excellent sealing properties, thermal stability, and resistance to oxidation. Its unique hydrocarbon-based formulation maintains a durable lubricating film while minimizing vapor pressure, making it ideal for high-vacuum systems and elevated-temperature operating environments. Commonly used throughout laboratories, research facilities, and industrial processing equipment, Apiezon H provides dependable lubrication and leak prevention for glass joints, vacuum valves, stopcocks, desiccators, and sealing surfaces. Its excellent adhesion helps maintain vacuum integrity while protecting components against wear and corrosion.



Sealing and lubricating in high temperature conditions

Key Features

  • High-Temperature Vacuum Grease
  • Excellent Chemical & Oxidation Resistance
  • Ideal for Precision Equipment

Common Applications

Vacuum systems

High-vacuum sealing

Ideal for sealing vacuum joints, flanges, stopcocks, and valves to maintain system integrity.

Laboratory

Glassware lubrication

Used on ground glass joints, desiccators, vacuum manifolds, and analytical equipment.

Handling & Storage

Store in the original sealed container in a cool, dry location away from direct sunlight, excessive heat, and contaminants. Keep the container tightly closed when not in use to preserve product quality. Apply using clean tools to prevent contamination, and avoid mixing with incompatible lubricants unless compatibility has been verified. Follow equipment manufacturer recommendations and facility SOPs during application.

Safety Notes

Wear appropriate personal protective equipment (PPE), including gloves and safety glasses, when handling grease. Avoid prolonged skin contact and wash thoroughly after use. Clean spills promptly, as grease may create slip hazards on work surfaces. Review the applicable Safety Data Sheet (SDS) before use and follow all facility procedures and local regulations for the safe handling, storage, and disposal of lubricants.

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