PA: polyamide

This material is mainly used for the manufacture of our plastic cable glands such as the HSK-K. You can choose between the standard colours grey, black and blue. It is possible to choose a customer specific colouring.


PE: polyethylene

We use only small amounts of PE, for example for thread seals or in sealing unions.


SB: styrene-butadiene

Styrene butadiene demonstrates good ageing stability and shows only little swelling in inorganic and organic acids and bases as well as alcohols and water. It is inert to brake-fluid. It is more resilient to weathering than natural rubber but is worse than for instance chloroprene rubber (CR) and ethylene propylene diene monomer (EPDM).




PVDF: polyvinylidene fluoride

This material combines superb chemical durability with good mechanical properties. PVDF materials have: 

  • good stability and
  • a high temperature resistance.




Is an amalgamate of copper and zinc. Suitable for a dry atmosphere, freshwater, steam, mineral oils, fuels, cooling and lubricating agents as well as many organic emulsions. Conditionally suitable for seawater, brackish water, damp atmospheres, acids and bases.


Nickel plated brass

The brass fittings offer good resistance to steam, some salt solutions and many organic liquids. The nickel plating increases the wear and corrosion resistance.



Stainless steel (AISI 303). Good resistance to diluted organic and oxidising acids and bases as well as neutral and alkaline salt solutions and organic substances. Not suitable for inorganic acids with halogens, chlorides and chlorine solutions or atmospheres.




Corrosion resistant steel (AISI 316L), due to its characteristics ideal for applications with chemically aggressive aqueous media or offshore wind parks.


Relatively soft and light metal with good chemical resistance, excellent heat resistance and excellent corrosion resistance.


Zinc die-casting


Weathering resistant and acid-proof metal with relatively low melting point.




NBR: acrylonitrile-butadiene rubber

Seals from NBR offer superb resistance to oils and fuels.


FKM: Fluoro rubber

The sealing material FPM is particularly suited to high temperatures up to 200°C and is highly resistant to oils and fats. Additionally, it is UV and ozone stable.




Thermoplastic elastomer. This offers a good resistance to weathering, ozone and ageing. TPE is resistant to diluted acids and bases, it is however not suitable for concentrated acids, bases and solvents. 



VMQ: Silicone

MVQ silicone is very well suited to low temperatures down to - 60°C and high temperatures up to 200°C. Moreover, it is UV and ozone stable.



Polyethylene is resistant to nearly all polar solvents ( < 60°C), acids, bases, water, alcohols; PE-HD as well to petrol.


Fiber composite:

Lokalizacje: HUMMEL AG



09.11.2015 Rynkowa inauguracja ogromnego portfolio wtyczek [więcej]
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