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            HyTemp? ACM

            HyTemp? polyacrylate (ACM) elastomers have excellent long-term heat resistance (up to 200°C) and compressive stress relaxation, while providing superb resistance to petroleum and synthetic-based lubricants. HyTemp is broadly used in automotive seals (engine, transmission) and turbo diesel air management hoses.

            HyTemp is classified as a DF to EH polymer according to SAE J200 / ASTM D2000.

            photo of heat resistant HyTemp polyacrylate ACM elastomers

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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.

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            KEY ATTRIBUTES

            Heat Stability

            HyTemp polyacrylate (ACM) elastomers offer significant improvements in long-term high-temperature resistance compared to other elastomer families. They can be compounded to withstand an impressive temperature range from -40° to 200°C. HyTemp is broadly utilized in automotive applications including valve cover gaskets, oil pan gaskets, rocker cover gaskets, and various seals.

            Chart showing HyTemp's long-term resistance against hardness change at 175 degrees CelsiusChart showing HyTemp's long-term resistance against elongation change at 175 degrees Celsius


            Petroleum and Synthetic-Based Lubricants Resistance

            HyTemp ACM provides superb resistance to petroleum and synthetic-based lubricants. This resistance makes HyTemp the best choice for engine gaskets and seals.

            Chart showing zeon chemicals HyTemp oil resistance against hardness change

            Chart showing HyTemp's oil resistance against volume change


            Excellent Sealing Force Retention

            Representing some of the industry’s most advanced innovations, HyTemp ACM provides outstanding long-term compressive stress relaxation (CSR) and compression-set performance at elevated temperatures.

            Chart showing zeon chemicals HyTemp compression set performance


            Cost and Performance Competitive

            HyTemp ACM offers a lower-cost solution versus fluorinated elastomers, including FVMQ (fluorinated silicone) and FKM (fluorinated hydrocarbon) elastomers.? HyTemp enables improved oil resistance versus AEM (acrylic/ethylene) and MQ/VMQ (silicone/vinyl functional silicone) elastomers.?

            General Properties of ACM CompoundsTypical Range
            Hardness, Shore A50 to 80
            Tensile strength, MPa7 to 14
            Elongation, %150 to 250
            Compression set, 70 hours @ 150°C5 to 60
            IRM901 Oil resistance, volume change, %? 70 hours @ 150°C-5 to 5
            IRM903 Oil resistance, volume change, %? 70 hours @ 150°C10 to 60
            Specific Gravity1.3

            Elastomer FamilyRelative Compound Cost IndexMaximum Service Temp, °CContinuous Service Temp, °CMinimum Service Temp, °COil Resistance
            HyTemp ACM1200175-40Excellent
            MQ/VMQ2.5310275-100Fair
            FKM14290260-30Excellent
            FVMQ20260230-60Excellent
            HNBR5175150-50Excellent
            ECO/CO1.5165135-60Fair


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            APPLICATIONS

            Engine Sealing

            photo of synthetic elastomer HyTemp ACM used in an engine sealConsistent performance in high-heat environments makes HyTemp ideal for automotive engine valve cover gaskets, oil pan gaskets, rocker cover gaskets, and other engine and transmission seals requiring superior sealing force retention in hot oil environments.

            Suggested Grades

            Product Grade% Volume SwellGehman T100 (°C)Mooney Viscosity
            AR1230-3028-38
            AR12B30-3028-38
            AR2226-2737-47
            AR1430-4028-38
            H57040- 3730-40

            Automotive Engine Air Management

            photo of HyTemp ACM synthetic rubber used in an automotive engine air managementAir management systems for turbo-charged engines benefit from HyTemp ACM’s retention of properties at hot temperatures (175°C). HyTemp is commonly utilized for charge air cooler (CAC) hoses.

            Hose manufacturers require broader processing characteristics combined with high throughput for economical production. This led to the development of the latest HyTemp ACM elastomers and specialized curative systems, which can be used for both molding and extrusion applications.

            Suggested Grades

            Product Grade% Volume SwellGehman T100 (°C)Mooney Viscosity
            AR212HR24-2534-44
            AR212XP24-2534-44
            AR21430-4028-38

            Adhesives, Caulks, and Sealants

            HyTemp ACM synthetic rubber used in an adhesives and caulkingThe tackiness of polyacrylate (ACM), coupled with extensive heat and oil resistance, makes HyTemp ideally suited for solvent-based adhesives, caulk, and sealant applications.

            Suggested Grades

            Product Grade% Volume SwellGehman T100 (°C)Mooney Viscosity
            4051CG11-1825-37
            4451CG11-1825-37
            445463-4122-34

            GRADES

            HyTemp? Polyacrylate Elastomers (ACM)

            Product Grade% Volume SwellGehman T100 (°C)Mooney ViscositySpecial Properties / Applications
            4051CG11-1825-37Fast cure rate, low compression set, and maximum oil resistance. Cement grade.
            4451CG11-1825-37Particulate version of 4051CG. Suitable for adhesives, caulks, sealants, and binders.
            445463-4122-34Moderate oil resistance with -40°C low temperature service. Particulate grade.
            4051EP11-1835-47Fast cure rate, low compression set, and maximum oil resistance.
            406516-3027-45Excellent oil, heat and compression-set resistance with good low-temperature properties.
            4052EP17-3225-35Improved low-temperature properties, with slightly less oil resistance than 4051 types. Excellent compression-set resistance.
            4053EP244223-31Excellent balance of low-temperature properties and oil resistance.
            405463-4122-34Moderate oil resistance, with -40oC low-temperature service.
            445463-4122-23Particulate version of 4054.
            AR7111-1842-54175oC high-temperature service and excellent oil resistance.
            AR71L11-1829-41Low-viscosity version of AR71.
            AR71515-2427-39Improved low-temperature service and excellent oil resistance.
            AR72LF22-2828-36Excellent balance of low-temperature service and oil resistance.
            AR7428-4029-36Excellent balance of low-temperature (-40oC) service and oil resistance.
            PV0445-3025-40Proprietary Peroxide-curable elastomer suitable for O-rings, seals, and gaskets.
            Also used for binders, adhesives, caulks, and plastics modification.

            HyTemp? High Performance Polyacrylate Elastomers (ACM)

            Product Grade% Volume SwellGehman T100 (°C)Mooney ViscositySpecial Properties / Applications
            AR1230-3028-38Optimized for improved long-term heat and compression set resistance over traditionalacrylates, with good low-temperature properties.
            AR12B30-3028-38Faster cure rate version of AR12.
            AR1430-4028-38Suitable for seal/gasket applications requiring low temperature flexibility.
            AR2226-2737-47Higher tensile strength version of AR12, with improved fluid resistance.
            AR212HR24-2534-44Optimized for extrusion applications. Excellent scorch safety and heat resistance.
            AR212XP24-2534-44Higher tear strength and improved extrusion version of AR212HR.
            AR21430-4028-38Excellent oil, heat, and compression resistance.
            H57045-3730-40Optimized for abroad temperature range with excellent long-term heat resistance. Very good resistance to contaminated engine lubricants.

            HyTemp? Curatives (ACM)

            Product GradeSpecific GravityChemical NameSpecial Properties / Applications
            NS701.03Sodium Stearate DispersionStandard cure agent for HyTemp 4050, 4060, and AR70 series (70% active).
            NPC501.03Quaternary Ammonium CompoundNon-post-cure agent used with HyTemp 4050, and 4060 series (50% active).
            SC751.01Amine Cure PackageFast-cure package for HyTemp 4050 and 4060 series (75% active).
            SR501.03Proprietary Urea CompoundRetarder used with HyTemp 4050 and 4060 series {50% active).
            HR200N/AProprietary Antioxidant PackageAntioxidant package used for the retention of air-aged tensile strength in HT-ACM hose 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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