Compounds (Sealants)


Compound types

Thermosetting Compounds (without fibers):

  • Based on various elastomers (synthetic rubbers)
  • Isoprene, Nitrile, EPDM, Fluoroelastomer (Viton)
  • Compound is injected in the uncured state
  • Process heat causes the elastomer to cure
  • Changes from a visco-plastic material to a hyper-elastic material
  • Compound formulation includes a sulphur or metal oxide based cure system
  • Soft easy-flowing compounds based on thermally cured silicone rubber

Thermosetting Compounds (fiber reinforced):

  • Based on various elastomers (synthetic rubbers) with fiber reinforcement
  • Based on various natural resins with fiber reinforcement
  • Based on phenolic resin with fiber reinforcement

Non-Curing Compounds and Packing:

  • Based on fibers and carriers

PTFE Based Compounds:

  • Polytetrafluoroethylene (PTFE) is highly inert and resistant to most chemicals

Low Viscosity RTV Silicone Based Compounds:

  • Two part chemically curing (room temperature vulcanized – RTV) silicone compounds and sealants
  • One part moisture cured silicone compound and sealants.

Ceramic Compounds:

  • For use at extremely high temperatures
  • Use at very high temperatures is dependent on being able to inject the compound to the required position before it sets hard

Resins:

  • Chemically curing two (or three) part Epoxy of Polyurethane Resins
  • Not generally suitable for sealing live leaks
  • Sometimes used for filling enclosure clamps
  • Epoxy resins cure to a very hard material
  • Polyurethane resins cure to a high durometer elastomer

Nuclear Compounds:

  • Special requirements for compounds often apply for use in nuclear environments
  • Nuclear grade compound is manufactured to very strict quality control standards with chemical analysis of raw materials and finished compound
  • Nuclear grade compounds are certified to contain below specified trace amounts of certain elements
  • Peroxide based cure system is used for thermosetting elastomeric compounds

 

 

There are many types and variations on types of Leak Sealing Compound

There is no “best” compound type – and certainly no compound type which works best in all circumstances

Each different approach has its advantages and disadvantages and selection involves an element of compromise

The most effective leak sealing companies will tend to be those with:

  • Access to a wide range of compound technology, and
  • Comprehensive technical support to aid appropriate selection

Types of Compounds, Sealants and Resins manufactured and used by Furmanite:

  • Thermosetting Compounds (without fibers)
  • Thermosetting Compounds (fiber reinforced)
  • Non-Curing Compounds and Packing
  • PTFE Based Compounds
  • Low Viscosity RTV Silicone Based Compounds
  • Ceramic Compounds
  • Resins
  • Nuclear Compounds

All backed up by Furmanite’s extensive Engineering facilities.

  • Engineering centers in USA, EMEA and APAC
  • In-House Industrial Chemist
  • “Chem Check” system

Furmanite - Innovative since 1920

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1st Patent is filed in 1927 The Furmanite patent for the leak sealing process filed in 1927 was the first …

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Furmanite moves Overseas First overseas agents appointed to market the leak Sealing kits including in the United Kingdom and Euro…

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Price List from 1926 Table detailing costs of allowing a steam leak based on $4 per ton for “Long coal”. …

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Growing Furmanite Letter from the Chairman of Furmanite Engineering based in Birkenhead, England to his lawyer requesting information on a …

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New Direction Alan Forsyth, acting as a consultant to Furmanite Engineering (1929) advised the Board to move from selling low …

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Never to compromise on the high quality A brief history of the United Kingdom Furmanite organisation written by Joyce Hainsworth, the …

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Best in the business were called Furmanite successfully seals nitrous oxide leakage on the Space Shuttle “Discovery” pre launch September …

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Start of Modern Furmanite The common shares of Furmanite were acquired by Kaneb Inc on 24th January 1991. Furmanite remains …

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