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          Hydrin? ECO

          Hydrin? epichlorohydrin (ECO) elastomers provide an excellent balance of heat (125°C), oil, fuel, and ozone resistance with superior low temperature flexibility. Hydrin is broadly used in automotive fuel hose, air ducts, A/C, and vibration dampening. Its electrical properties benefit laser printer rolls.

          Hydrin is classified as a CH polymer according to SAE J200 / ASTM D2000.

          photo of Hydrin epichlorohydrin (ECO) elastomers

          The best technical support comes from chemists with years of hands-on experience. Talk to our team about this product today.

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          The best technical support comes from chemists with years of hands-on experience. Talk to our team about this product today.

          Talk to an Expert

          KEY ATTRIBUTES

          Low Temperature Fuel Resistance

          Hydrin ECO offers a unique combination of fuel resistance and low-temperature flexibility. As illustrated, Hydrin has resistance to Fuel C that rivals a 50% ACN content nitrile rubber while still possessing a glass transition temperature of -41°C.Chart showing Hydrin's combination of low-temp and fuel resistance flexibility.


          Heat Resistance to 125°C

          Hydrin withstands prolonged heat exposure to 125°C. ?Tensile strength is maintained after 1008 hours, 125°C exposure and hardness is minimally changed. Hydrin H series is suggested for applications needing prolonged heat exposure.Chart showing Hydrin's tensile strength retention to 125 degrees Celsius


          Static Dissipative

          Hydrin is inherently and permanently static dissipative. Its polyether backbone provides conductivity, making it one of the most dissipative polymers available. These electrical properties remain uniform across molded articles. Hydrin can be compounded to achieve resistivity values as low as 3 x 105 ohms without the addition of conductive additives.


          Superior Fuel Resistance vs. CSM

          Hydrin is an excellent alternative for chloro-sulfonated polyethylene (CSM) and polychloroprene (CR) rubber.

          Hydrin’s resistance to diesel and bio-diesel fuels is superior to that of CSM. Compared to Hydrin, CSM suffers from loss of tensile strength and high level of volume change. As shown in the second table, heat resistance is similar to CR rubber.

          Chart showing Hydrin's superior tensile resistance compared to CSMChart showing Hydrin's similar heat resistance to CR rubber


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          Expert Technical Advice

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          Talk to a chemist today.

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          APPLICATIONS

          Automotive Air Ducts & Hoses

          photo of Automotive Air Duct hose made with synthetic elastomers

          Hydrin’s excellent resistance to hydrocarbon fluids and fuels make it ideal for air intake systems incorporating exhaust gas recirculation or engines with moderate to high levels of blow-by products. Automotive clean air intake ducts benefit from Hydrin due to its desirable balance of performance at a broad range of temperatures from -40°C to +135°C.?

          Chart showing Hydrin's broad serviceable temperature range

          Suggested Grades

          Product GradeMooney ViscositySpecific GravityTg, (°C)
          H110052-651.35-26
          C2000LL53-651.28-41
          T3000L65-791.28-43
          T501075-1001.27-40

          Fuel Hoses and Diaphragms

          photo of Fuel Hose made with synthetic elastomer

          Hydrin enables lower cost fuel hoses compared to other constructions.

          Mono- and multi-layer fuel hoses are common applications of Hydrin. In multi-layer hoses, bis-phenol cured Hydrin provides excellent adhesion to the FKM inner layer and reinforcing braid while the terpolymer series of Hydrin is utilized for the cover layer. A common multi-layer construction is: Inner [bis-phenol cured FKM] | Tie Layer [Hydrin C2000 copolymer + Braid] | Cover layer [Hydrin T3105 terpolymer].

          Hydrin PX and Zeonex PB are bond agents specially designed to promote adhesion to peroxide cured FKM and bisphenol cured FKM, respectfully.

          Suggested Grades

          Product GradeMooney ViscositySpecific GravityTg, (°C)
          H5550-601.37-21
          C2000LL53-651.28-41
          T3000L65-791.28-43
          T310570-801.29-41
          PXNANANA

          Laser Printer Rollers

          photo of Laser Printer Rollers made with synthetic elastomersThe inherently static dissipative properties of Hydrin make it useful for both charge and developer rolls in laser printers and paper copier machines. The electrical resistance is consistent along the length of rolls made with Hydrin, which enables reliable, long-life print quality. While other elastomers require conductive additives, which may leach out and degrade over time, Hydrin is inherently static dissipative.

          *Vulcanized 20min/170°C, 4hr/150°C Post Cure

          Attribute*Hydrin T3106 GumstockHydrin T3108 GumstockHydrin T3108XL Gumstock
          Hardness, Shore A434230
          Resilience, Rebound, (%)555652
          Compression Set,22H/70°C4.8%5.8%5.5%
          Volume Resistivity, NN, +100V, ohm6.2E+053.2E+052.9E+05
          Log Ohms5.85.55.5

          Suggested Grades

          Product GradeMooney ViscositySpecific GravityTg, (°C)
          T310653-671.26-48
          T310840-541.23-48
          T3108XL10-251.22-48

           


          Polychloroprene Rubber (CR) Replacement

          Polychloroprene rubber (CR) can be replaced with Hydrin in a multitude of applications including seals and air springs. Hydrin fully meets ASTM D2000/SAE J200 ‘BC’ and ‘BE’ requirements.

          AttributeTypical Hydrin CompoundRange (Compound)
          Shore A Hardness, points7040 to 90
          Tensile @ Break, MPa108 to 18
          Elongation @ Break, %250150 to 600
          Compression Set, % (22 hours @ 100°C)1510 to 25
          Heat Resistance, Tensile & Elongation, % Δ (70 hours @ 125°C)-40-30 to -60 °C
          IRM901 Oil, % Δ Volume (70 hours @ 125°C)1-5 to +5
          IRM903 Oil, % Δ Volume (70 hours @ 125°C)100 to +12
          Fuel B Resistance, % Δ Volume (48 hours @ 23°C)15+5 to +25
          Fuel C Resistance, % Δ Volume (48 hours @ 23°C)35+20 to +45
          Low-Temperature Flexibility, °C-40Down to -55

          GRADES

          Hydrin? Epichlorohydrin Elastomers (ECO)

          Product GradeMooney
          Viscosity
          Specific
          Gravity
          Tg,
          (°C)
          Special Properties / Applications
          H4540-501.37-21Outstanding permeation resistance to helium, hydrogen, nitrogen, air, and carbon dioxide.
          H5550-601.37-21Outstanding permeation resistance to helium, hydrogen, nitrogen, air, and carbon dioxide.
          H6560-701.37-21Outstanding permeation resistance to helium, hydrogen, nitrogen, air, and carbon dioxide.
          H110052-651.35-26Outstanding permeation resistance to helium, hydrogen, nitrogen, air, and carbon dioxide.
          Can be sulfur or peroxide cured.
          C200090-1021.28-41Fuel pump diaphragms, hose, coated fabrics and vibration mounts. Can also impart antistatic properties to plastics.
          C2000M75-901.28-41Medium viscosity version of C2000.
          C2000L65-751.28-41Low viscosity version of Hydrin C2000.
          C2000LL53-651.28-41Lower viscosity version of Hydrin C2000.
          C2000XL40-521.28-41Lowest viscosity version of Hydrin C2000 for optimal injection flow.
          T300080-941.28-43Terpolymer of ECH/EO/AGE. Sulfur-curable, and can be blended with other elastomers.
          T3000L65-791.28-43Low viscosity Hydrin T3000.
          T3000LL50-641.28-43Lowest viscosity version of Hydrin T3000 for optimal injection flow.
          T310063-771.31-36Highest AGE content terpolymer for enhanced cure state and ozone resistance.
          T310280-1001.31-38Highest ECH content terpolymer for improved heat and ozone resistance.
          T310570-801.29-41High ECH and AGE content terpolymer for improved ozone resistance.
          T310653-671.26-48Higher EO content polymer giving enhanced electrostatic dissipative properties. Designed for laser printer rolls.
          T310840-541.23-48Highest EO content polymer, giving even lower volume resistivity. Intended for electrostatic dissipative applications.
          T3108XL10-251.22-48Improved processing and low hardness version of T3108. Lowest hardness, electrical resistivity, and specific gravity of any Hydrin product. Designed for laser printer rolls.
          T501075-1001.27-40Has the best mill release and processing. Can be sulfur or peroxide cured.
          PXNANANAAn adhesion promoter for Hydrin compounds to aid in bonding to FKM, nylon, and other rubber compounds.

          Contact a ZEON technical specialist for more grades or to discuss a specific application, specification, question or request a sample.
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