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THERBAN is a partially or completely hydrogenated acrylonitrile-butadiene rubber. To make THERBAN, LANXESS hydrogenates its Perbunan NT acrylonitrile butadiene rubber. While all HNBR products exhibit certain characteristics such as strength, heat resistance, and oil resistance superior to standard NBR and other polymers, only THERBAN offers a selection of grades that will perform well across a range of the most extreme environments.


Name Description Application Supplier File
Therban® 3406
Similar to Therban® 3407, but with improved flow behaviour.
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3406(20160519) Therban_3406(20170126) Therban_3406(20170126)
Therban® 3407
For lifetime belts, O-rings, gaskets, and seals requiring maximum heat resistance and dynamic performance
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Sealants and Adhesives, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3407(20160519) Therban_3407(20170324) Therban_3407(20170324)
Therban® 3607
Lower swelling compared to Therban® 3407
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3607(20160519) Therban_3607(20170127) Therban_3607(20170127)
Therban® 3907
Further improved oil swelling resistance compared to Therban® 3607, excellent for fuel-resistant hoses, belts, seals, O-rings and gaskets
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Sealants and Adhesives, Polymer auxiliaries ARLANXEO(HPE) Therban_3907(20160519) Therban_3907(20170127) Therban_3907(20170127)
Therban® 4307
Very high temperature resistance combined with minimal swelling oils and fuels; ideal for severe application conditions in hoses, diaphragms, O-rings and seals for automotive and oil field applications
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_4307(20160520) Therban_4307(20170130) Therban_4307(20170130)
Therban® 4309
Similar to Therban® 4307 for special compounds with high filler and plasticizer loads
 high filler, plasticizer loads ARLANXEO(HPE) Therban_4309(20160519)
Therban® ART KA 8796 VP
Enhanced stiffness, abrasion and load bearing properties, excellent adhesion to metal; use where extreme dynamic performance is warranted e.g. lifetime belts, paper ans steel rolls (peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_VP_KA_8796(20160520) Therban_VP_KA_8786(20170331)
Therban® 3446
Optimal combination of heat resistance, dynamic properties and processing
 Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3446(20160519) Therban_3446(20170127).PDF Therban_3446(20170127)
Therban® 3467
Recomended standard grade for sulfur cure; excellent dynamic properties
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3467(20160519) Therban_3467(20170127) Therban_3467(20170127)
Therban® 3496
Optimal compromise between low-temperature compression set and oil swell resistance, especially suited for rolls and dynamic oil field components
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Polymer auxiliaries, Plastic- and Rubberpolymers ARLANXEO(HPE) Therban_3496(20160519) Therban_3496(20170127) Therban_3496(20170127)
Therban® 3627
Special low RDB type, comparable to Therban® 3607 (peroxide cure recommended) to increase crosslink density for high modulus and/or low compression set applications
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3627(20160520) Therban_3627(20170127) Therban_3627(20170127)
Therban® 3629
Special low RDB type, similar to Therban® 3627 for higher filler load capacity (peroxide cure recommended) 
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3629(20160519) THERBAN3629 EN.PDF Therban_3629(20170127)
Therban® 3668 VP
High RDB, high Mooney grade similar to Therban® 3627 for higher filler and plasticizer load capacity
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_3668_VP(20160519) Therban_3668_VP(20170127) Therban_3668_VP(20170127)
Therban® 4367
Excellent resistance to oils; should be used instead of Therban® 4307 in case improved dynamic and bonding properties are required.
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_4367(20160520) Therban_4367(20170127) Therban_4367(20170127)
Therban® 4369
Similar to Therban® 4307 with capacity for higher filler loads
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_4369(20160520) Therban_4369(20170127) Therban_4369(20170127)
Therban® 4498 VP
High ACN and high RDB grade, primarily designed for dynamic application requiring excellent resistance to heat and non-polar hydrocarbon fluids.
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_4498_VP(20160420) Therban_4498_VP(20170127).PDF Therban_4498_VP(20170127)
Therban® LT 1707 VP
Low ACN grade for optimal flexibility and excellent compression set at very low temperature, designed for extreme service conditions (peroxide curable)
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_LT_1707_VP(20160520) Therban_LT_1707_VP(20170127).PDF Therban_LT_1707_VP(20170127)
Therban® LT 1757 VP
Designed for excellent compression set at low temperatures (sulfur and peroxide curable)
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_LT_1757_VP(20160420) Therban_LT_1757_VP(20170127).PDF Therban_LT_1757_VP(20170127)
Therban® LT 2157
Optimal low-temperature flexibility balanced with good oil resistance for use in low-temperature belts, seals, O-rings and gaskets.
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_LT_2157(20160519) Therban_LT_2157(20170130) Therban_LT_2157(20170130)
Therban® LT 2007
Similar to Therban® LT 2157 with optimal combination of heat and low-temperature resistance, designed for extreme service conditions (peroxide curable), outstanding low mold fouling.
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_LT_2007(20160519) Therban_LT_2007(20170127) Therban_LT_2007(20170127)
Therban® LT 2057
Similar to Therban® LT 2157 with outstanding low mold fouling properties (sulfur and peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_LT_2057(20160519) Therban_LT_2057(20170127).PDF Therban_LT_2057(20170127).PDF
Therban® LT 2568
Similar to Therban® LT 2157 low mold fouling grade with improved oil resistance.
 Automotives, E & E, Machine and equipment construction, Plastic- and Rubberpolymers, Petrochemicals, Polymer auxiliaries ARLANXEO(HPE) Therban_LT_2568_VP(20160519) Therban_LT_2568_VP(20170127) Therban_LT_2568_VP(20170127)
Therban® AT 3404
Similar to Therban® 3406 with extra low Mooney viscosity for outstanding processing properties for use in O-rings, seals, spread compounds or as viscosity modifier for high viscosity compounds (peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_AT_3404(20160519) Therban_AT_3404(20170127) Therban_AT_3404(20170127)
Therban® AT 3443 VP
Similar to Therban® 3446 combined with processing advantages of new Advances Technology (sulfur and peroxide curable)
 E & E, Automotives, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_AT_3443_VP(20160519) Therban_AT_3443_VP(20170127) Therban_AT_3443_VP(20170317)
Therban® AT 3904 VP
Similar to Therban® 3907 combined with processing advantages of new Advanced Technology (peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_AT_3904_VP(20160519) Therban_AT_3904_VP(20170127) Therban_AT_3904_VP(20170127)
Therban® AT 4364 VP
Similar to Therban® 4367 combined with processing advantages of new Advanced Technology (sulfur and peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_AT_4364_VP(20160520) Therban_AT_4364_VP(20170127) Therban_AT_4364_VP(20170127)
Therban® AT LT 2004 VP
Similar to Therban® LT 2007 combined with processing adavantages of new Advances Technology (peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_AT_LT_2004_VP(20160519) Therban_AT_LT_2004_VP(20170127) Therban_AT_LT_2004_VP(20170127)
Therban® XT KA 8889 VP
Maximum wear resistance and adhesive properties; in combination with Therban®  ART strong synergies observed; use for belts, rolls, oil field applications ans as adhesive promoter for fabrics and cords (sulfur and peroxide curable)
 Automotives, E & E, Machine and equipment construction, Petrochemicals, Plastic- and Rubberpolymers, Polymer auxiliaries ARLANXEO(HPE) Therban_XT_VP_KA_8889(20160519) Therban_XT_VPKA_8889(20170418).PDF Therban_VP_KA_8786(20170331)
Therban® XT VP KA 8889
Maximum wear resistance and adhesive properties; in combination with Therban®  ART strong synergies observed; use for belts, rolls, oil field applications ans as adhesive promoter for fabrics and cords (sulfur and peroxide curable)
 E & E, Automotives, Plastic- and Rubberpolymers, Polymer auxiliaries, Machine and equipment construction, Petrochemicals ARLANXEO(HPE) Therban_XT_VP_KA_8889(20160519) Therban_XT_VPKA_8889(20170418).PDF Therban_VP_KA_8786(20170331)