sales@polymax.co.uk
+44 (0) 1420 474123
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Description

Polymax are a world leading manufacturer of industrial anti vibration bobbins.

Polymax specialise in providing a large range of cylindrical mounts, in 5 main types.

  • Type A - Male / Male
  • Type B - Male / Female
  • Type C - Female / Female
  • Type D - Male Foot Mount
  • Type E - Female Foot Mount

Offering a 24 hour shop for that last minute or urgent order, this matched with our standard and trackable next day deliveries you can be assured to get what you need when you need it.

Polymax offer a superb vibration isolation for a variety of applications ranging from engine mountings to compressors.

Polymax keep a large stock of popular sizes, with a variety of studs and stud lengths.

Available as standard with natural rubber with zinc plated metal parts, although other compounds are available along with stainless steel metal parts

With the large variety online, Polymax offer specialised help in regards to maximum loads and customer sizes.

For more information and guidance please phone the office on +44 (0) 1420 474123

Applications

  • Large static generator engines
  • Compressors
  • Motors
  • Electronic control panels
  • Engine Mounts
Material:  
Select a material to see technical properties and datasheets.

Description

Natural rubber (NR) is a versatile and adaptable material characterised by its ability to accept and recover from large deformations. Unlike steel or other metals it possesses some inherent damping characteristics and can store a larger amount of elastic strain energy per unit volume, making it an ideal material for use in dampers or as a rubber spring. Natural rubber compounds have a high tensile strength, long fatigue life and excellent tear resistance

Natural rubber compounds also exhibit low hysteresis as compared with other rubbers, this results in lower heat build up during repeated deformations; thus making it an ideal polymer for use in vibration isolation. Other mechanical properties such as resistance to fatigue, abrasion resistance, tear resistance and flex resistance are also generally superior in these compounds (as compared to synthetic elastomers)

NR compounds are not suitable for applications requiring contact with oil, kerosene, diesel, petrol or solvents like benzene, toluene etc. These compounds also exhibit poor oxygen and ozone resistance (although this can be some what improved by adding anti oxidants to the compound)

Should you like to discuss your application further please call us on +441420 474123 for further information.

Downloads

Temperature Range

  • Up to 100°C (Intermittant)
  • Down to -25°C

Recommended temperature range -25°C to +70°C

Chemical resistance

Good resistance to water swell, dilute acids, dilute alkalis and alcohol

Not compatible with:

Mineral oil products (oils, greases and fuels), steam, aliphatic, halogenated and aromatic hydrocarbons, phosphates, concentrated acids and alkalis.

For detailed chemical compatibility please see https://www.polymax.co.uk/chem-compatibility

Description

Silicone possess excellent resistance to temperature extremes. Silicone's retention of properties at high temperatures is superior to other elastic materials. Silicone has poor tensile strength, tear resistance and abrasion resistance.

Available with the following Approvals/Certifications. Please call for further information.

Downloads

Temperature Range

  • Up to 200°C (Intermittant)
  • Down to -60°C

Chemical resistance

  • Dry heat
  • High - aniline point oils
  • Chlorinated DI - phenyls
  • Food processing applications
  • Excellent ozone resistance.
  • Water (Low temperature only)

Not compatible with:
  • Most Petroleum fluids
  • Ketones (MEK, Acetone)

Description

Temperature Range

  • Up to 150°C (Intermittant)
  • Down to -30°C

Chemical resistance


Not compatible with:

Description

Excellent resistance to weathering and ozone, water and steam, with good performance in castor and some phosphate ester based fluids. It's low and high temperature capability is good, having excellent resistance to set with good resilience. Also high temperature braking systems employing castor based fluids for mouldings subjected to weathering and ozone and for seals in chemical plant due to its good chemical resistance.

EPDM is particularly useful when sealing phosphate-ester hydraulic fluids and in brake systems that use fluids having a glycol or silicone base.

This results in a highly fluorinated elastomeric compound with exceptional temperature resistance, compatibility with a wide range of aggressive chemical combinations and outstanding resistance to permanent deformation.

Downloads

Temperature Range

  • Up to 150°C (Intermittant)
  • Down to -45°C

Recommended temperature range -30°C to +125°C

Chemical resistance

  • Hot water and steam up to 149°C with special compounds up to 260°C
  • Glycol based brake fluids (Dot 3 & 4) and silicone-based brake fluids (Dot 5) up to 149°C
  • Many organic and inorganic acids
  • Cleaning agents, sodium and potassium alkalis
  • Phosphate-ester based hydraulic fluids (HFD-R)
  • Silicone oil and grease
  • Many polar solvents (alcohols, ketones, esters)
  • Ozone, aging and weather resistant

Not compatible with:
  • Mineral oil products (oils, greases and fuels)

Description

Chloroprene rubber (CR) also commonly referred to as Neoprene was one of the first synthetic rubbers to be developed commercially. Like Natural rubber (NR) compounds Neoprene rubber compounds can also be compounded to achieve low hysteresis and high resilience, both of these properties are desirable for products used in vibration isolation

Chloroprene rubber compounds also exhibit excellent resistance to flex crack initiation and to flex-cut growth when a surface flaw occurs. These compounds also exhibit good ozone, ageing and chemical resistance. At low temperatures CR compounds progressively stiffen as a result of crystallisation. This phenomenon is most rapid at temperatures around -10°C, thus CR based vibration isolators must be avoided if low temperatures are likely to occur during usage (consider Silicone or Natural Rubber compounds for low temperature use)

CR rubber compounds are normally self extinguishing and resist combustion to a greater degree than products made from non halogen bearing polymers (like Natural Rubber). Neoprene also offers excellent bonding to steels, stainless steels, aluminium etc. through the use of proprietary bonding agents, thus making it a versatile polymer for designing rubber to metal bonded anti vibration components

Should you like to discuss your application further please call us on +441420 474123 for further information.

Downloads

Temperature Range

  • Up to 120°C (Intermittant)
  • Down to -45°C

Recommended temperature range -5°C to +100°C

Chemical resistance

Good resistance to mineral oil (eg ASTM oil no 1), silicone oil, ammonia, ethanol and dilute acids.

Not compatible with:

Ketones, esters, ethers, halogenated and aromatic hydrocarbons, phosphates, concentrated acids.

For detailed chemical compatibility please see https://www.polymax.co.uk/chem-compatibility

Material:  
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