Polyurethanes are a family of elastomers, an artificial rubber that combines the strengths of plastic, with the elasticity of rubber.
Our AF1200 range of NBRs or acrylonitrile-butadiene rubber, are excellent engineering materials for general purpose seals and O rings, AF1200 NBRs provide good resistance to mineral oils and greases, and fuels such as petrol, diesel, and fuel oils; and also can be used with animal and vegetable oils and hot water.
Our polyurethane materials range includes 57 shore D and 85 - 95 shore A, and are all Hydrolysis resistant (often referred to as H-PU). With a huge range of material stocks, there is no such thing as a special requiring an extended lead time.
Besides standard PU materials, we also offer materials with an optimised coefficient of friction and for direct contact with foodstuffs. We offer a range of material colours to suit all applications.
We also offer 16 standard grades of rubber and/or elastomeric material that can be CNC machined into finished seals and or components. We have a turning facility for low and or high volume seal production to 1800 mm diameter.
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We can offer a whole range of elastomer parts, including: NBR Nitrile Seals and O Rings (including white FDA grade), HNBR or hydrogenated nitrile butadiene (low temperature and RGD resistant options), Fluoroelastomer, FKM, FPM, Dupont Genuine Viton FDA compliant grades, EPDM seals and O Rings (plus white FDA grade), Silicone Seals and O Rings (FDA grades in Red and Blue), Aflas Seals and O Rings and RGD Resistant Materials.
SealsPolyurethane Elastomers have a substantial importance in modern seal technology and we have produced both standard and custom seals for our customers.
O RingsOur NBR or Nitrile rubber seals and O Rings provide good resistance to mineral oils and greases.
Component Design & ManufacturingWe can design and manufacture your product, part or component in our range of Polyurethane & Rubber Elastomers. Whether developing a new part from scratch or innovating to provide a new solution for a failing component, our engineers can design and manufacture products in Polyurethane & Rubber Elastomers that will meet and exceed performance requirements.
HNBR or hydrogenated nitrile butadiene rubbers are based upon a compound of saturated copolymer of acrylonitrile and butadiene. The physical and chemical properties of an HNBR compound can vary dramatically depending on the polymers composition.
AFT Fluorotec’s AF1300 range of HNBR compounds can be used in applications involving hydrocarbon mineral oils, butane, propane, mineral oils and crude oils, but also for many diluted acids and bases.
Generally service temperature is from -30°C to +160°C Specific HNBR compounds also exhibit excellent toughness, abrasion and wear resistance, making them ideal for use in harsh oilfield applications and sealing applications involving compression.
We can offer genuine Viton fluoroelastomer seals and O rings, AF 1600 grades of Viton offer seals that are resistant to chemical attack, compatible for use with hydrocarbon fuels and at elevated temperatures from -25°C to +210°C.
Our Viton materials can be CNC machined into standard and special profiles to large diameters up to 1800 mm.
EPDM is an elastomeric compound based upon ethylene propylene diene. AF 1400 EPDM rubber and elastomeric materials offer good resistance to water, steam, certain ketones, alcohols, and non petroleum based brake fluids. AF1400 EPDM seals also offer good resistance to ageing from weathering and ozone.
EPDM rubber can be used to -55°C and to +150°C.
Our AF 1700 range of silicone elastomers have an operating temperature range of -55°C to +210°C depending on the grade is use. Silicone is generally used for static sealing applications. It offers good electrical insulation, resists microbiological growth, has low toxicity and low thermal conductivity.
AF 1700 silicone rubbers also provide a material that resists attack from oxygen, ozone, and UV light.
Aflas is a fairly unique material that is fluoroelastomer based, and hence offers good chemical resistance. It is a copolymer of tetrafluoroethylene and propylene with service temperatures from -15°C to 210°C.
AF1501 Aflas has good resistance to oils, and offers good electrical insulation, as well as a high continuous service temperature. Aflas is the material of choice for heavy oil field, diesel service and industrial applications involving oil and steam.
All of the above materials are available in other colours and FDA compliant grades.
U580-D57G is a MoS2 filled hydrolysis-resistant (H-PU) cased Polyurethane based on MDI polycarbonate polyol and certain additives. The hardness is adjusted at 7 Shore D which results in excellent extrusion resistance. Used as a dynamic sealing element in composite seals, easier installing and better sealing performance in combination with less friction and reduced stick-slip effect will be the main advantage of this material.
U520-OR95-HT is a hydrolysis-resistance (H-PU) casted polyurethane based on MDI, polycarbonate polyol and certain additives. Due to the excellent stability of the physical properties at higher temperatures and outstanding thermal ageing resistance. Compared to to other polyurethanes it is recommended for applications where temperature and mechanical stress of the material reach the limits of standard polyurethanes.
U530-B95-LT is a hydrolysis resistant polyurethane (H-PU) based on polyether-diol and methylene diphenyl diisocyanat (MDI). The hardness is adjusted at 95 +/-2 Shore A. The product is recommended for applications at low temperatures (-50°C), but also in standard hydraulic applications (≤105°C) as well as hot water applications (≤90°C).
U510-G88 is a hydrolysis-resistance (H-PU) casted polyurethane based on MDI, polycarbonate polyol and certain additives. Due to the adjustment at 90 Shore A it is very flexible and easier to install in tight housing situations and is also used when a ‘softer’ material is needed to have higher compression (preload) of the sealing material.
U500-R95 is a cast polycarbonate based, hydrolysis-resistant polyurethane. Its excellent physical properties such as high abrasion resistance, high extrusion resistance as well as its flexibility make it a universal material for seal applications.
U540-V195-CR is a hydrolysis-resistance (H-PU) casted polyurethane based on MDI, polycarbonate polyol and certain additives. It is resistant against the common used CIP-fluids and shows low swelling effects in non-polar fluids like mineral oils or fatty foodstuff.
U570-D57 is a hydrolysis resistant PU (H-PU) casted ployurethane, based on MDI, polycarbonate polycol and certain additives. The hardness is adjusted at 57 Shore D which results in excellent extrusion resistance. Used as a dynamic sealing element in composite seals, easier installing and better sealing performance will be the main advantage of this material.
U550-GM95 is a MoS2 filled hydrolysis resistant PU (H-PU) casted polyurethane based on MDI polycarbonate polyol and certain additives. It is recommended in application where reduced friction and poor lubrication is an issued. The material is able to reduce or eliminate the stick-slip effect when it appears.
U203-D57G is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyoxytetrametylene glycol (PTMEG) and diphenylmethane diisocyanate (MDI) processed liquid with catalysts and a MoS2 polyol. The hardness is adjusted at 57 +/-2 Shore D which makes it an excellent extrusion resistant material.
U203-D57 is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyoxytetrametylene glycol (PTMEG) and diphenylmethane diisocyanate (MDI). The hardness is adjusted at 57 +/-2 Shore D which makes it an excellent extrusion resistant material.
U203-FDA95 natural white is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyadephate glycols and diphenylmethane diisocyanate (MDI). The hardness is adjusted at 93 +/-2 Shore A. The product is recommended for a continuous use in 70 – 90°C hot water and a max. service temperature of 100°C. The system passed all official FDA tests by the Akron Polymer Laboratory Inc. – Ohio, U.S.A.
U203-GM95 is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyoxytetrametylene glycol (PTMEG) and diphenylmethane diisocyanate (MDI) processed liquid with catalysts and a MoS2 polyol. This special PU-MoS2 compound performs excellently in critical lubrication situations and reduces the stick-slip behaviour.
U203-B95 is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyadephate glycols and diphenylmethane diisocyanate (MDI). The hardness is adjusted at 93 +/-2 Shore A. The product is recommended for continuous use in 70 – 90°C hot water and a max. service temperature of 100°C. The system passed all official FDA tests by the Akron Polymer Laboratory Inc. – Ohio, U.S.A
U203-G95 is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyoxytetrametylene glycol (PTMEG) and diphenylmethane diisocyanate (MDI) processed with catalysts and chain extenders, producing a hardness of 95 +/-2 Shore A with very good physical properties. The resistance to most common hydraulic fluids and oil-water emulsions makes it a very universal material for seal applications.
U203-R95 is a hydrolysis resistant PU (H-PU) composed of prepolymers based on polyoxytetrametylene glycol (PTMEG) and diphenylmethane diisocyanate (MDI) processed with catalysts and chain extenders, producing a hardness of 95 +/-2 Shore A with very good physical properties. The resistance to most common hydraulic fluids and oil-water emulsions makes it a very universal material for seal applications.
E131-B85 is a black Ehtylene Propylene Rubber, commonly referred to as EPDM. This material is often used in hot water steam applications as well as in fire resistant fluids where synthetic oils are used. EPDM materials are also used in bases, acids and alcohols. EPDM is also used for brake fluids, but we recommend observing local safety-regulations before installing an EPDM seal in breaking systems. EPDM is not resistant to mineral- vegetable- and animal oils.
HN900-B85-RGD is a black hydrogenated acrylnitrile-butadiene-rubber commonly referred to as H- NBR. Good physical characteristics and chemical resistance to the most common hydraulic fluids, high addivated oils, sour oils/gases (H2S) and crude oils. HN900-B85-RGD has been optimised to withstand the risk of rapid gas decompression (RGD) or explosive decompression (ED) which is an essential demand in the oil and gas industry.
HN112-B85 is a black hydrogenated acrylnitrile-butadiene-rubber commonly referred to as H-NBR. Good physical characteristics and chemical resistance to the most common hydraulic fluids makes it an excellent sealing material. H-NBR materials are often used in vegetable and animal oils as well as in high addivated oils, sour oils/gases (H2S) and crude oils.
N111-W85 is a white Nitrile Butadiene Rubber commonly referred to as NBR, Nitrile or BUNA. Good physical characteristics and chemical resistance to the most common hydraulic fluids makes NBR an excellent sealing material. NBR materials are one of the most used elastomers in sealing applications. NBR-FDA N111 – white is approved for the use of applications in contact with foodstuff.
N109-B95 is a black Nitrile Butadiene Rubber commonly referred to as NBR, Nitrile or BUNA. Good physical characteristics and chemical resistance to the most common hydraulic fluids makes NBR an excellent sealing material. NBR materials are one of the most used elastomers in sealing applications.
N107-B85 is a black Nitrile Butadiene Rubber commonly referred to as NBR, Nitrile or BUNA. Good physical characteristics and chemical resistance to the most common hydraulic fluids makes NBR an excellent sealing material. NBR materials are one of the most used elastomers in sealing applications.
S102-R85 is a red Methyl Silicone Rubber, commonly referred to as Silicone. Silicone materials are often used in hot air and in applications where chemicals and foodstuff are in contact with the sealing material. Because of lower mechanical properties Silicone materials should not be used for dynamic applications. Silicone S102 – red is approved for the use of applications in contact with foodstuff.
F109-BR85 is a brown Fluorocarbon elastomer, commonly referred to as VITON* and FPM. FPM materials have a very high resistance to hydraulic fluids, chemicals and a number of organic compounds and operate in temperatures between -20 to +210°C. F109-BR85 is recommended for applications where its outstanding resistance to heat, chemicals, weathering and ozone is required.
F800-B85-RGD is a black fluorocarbon rubber, with excellent physical characteristics and chemical resistance to the most common hydraulic fluids, sour oils/gases (H2S) and crude oils. F800-B85-RGD has been optimised to withstand the risk of rapid gas decompression (RGD) or explosive decompression (ED) which is an essential demand in the oil and gas industry.
AF101-B85 is a Tetrafluorethylene/Propylene copolymere (TFE/P), commonly referred to as FEPM or AFLAS*. AFLAS* has a very high resistance to hydraulic fluids (incl. Alkyl-Acryl-Phosphate Esters), all break fluids (on glycol, mineral and silicone base), acids, steam and hot water, sour oils/gases (H2S) and heavily formulated oils with amine additives.
HN901-B85-RGD-LT is a black hydrogenated acrylonitrile-butadiene-rubber commonly referred to as H-NBR, with excellent physical characteristics and chemical resistance to the most common hydraulic fluids, sour oils/gases (H2S) and crude oils. HN901-B85-RGD-LT has been optimised to withstand the risk of rapid gas decompression (RGD) or explosive decompression (ED) at low temperature applications in the oil and gas industry.
E133-B85 is a black Ehtylene Propylene Rubber, commonly referred to as EPDM. This material is often used in hot water steam applications as well as in fire resistant fluids where synthetic oils are used. EPDM materials are also used in bases, acids and alcohols. EPDM is also used for brake fluids, but we recommend to observe local safety-regulations before installing an EPDM seal in breaking systems. EPDM is not resistant to mineral- vegetable- and animal oils.
