HNBR, POLYMERS

Fully saturated (suitable for peroxide crosslinking)

ACN
cont.
(%)

Mooney
viscosity(1)
ML(1+4)
100 °C

 Residual
double bond
content
(%)		 Density
(g/cm3)		 Standard packaging
Remarks                                                  
Therban® 3406 34 63 max. 0.9 0.95
Bulk-Box with 20 bales of 25 kg each wrapped in polyethylene film or 25 kg bales individually packed in boxes



 similar to Therban® 3407, but with improved flow behaviour(2)
Therban® 3407 34 70 max. 0.9 0.95 for lifetime belts, O-rings, gaskets, and seals requiring maximum heat resistance and dynamic performance
Therban® 3607 36 66 max. 0.9 0.96 lower swelling compared to Therban® 3407
Therban® 3907 39 70 max. 0.9 0.96 further improved oil swelling resistance compared to Therban® 3607, excellent for fuel-resistant hoses, belts, seals, O-rings and gaskets
Therban® 4307 43 63 max. 0.9 0.96 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
Therban® 4309 43 100 max. 0.9 0.96 similar to Therban® 4307 for special compounds with high filler and plasticizer loads


(1) unmassed (DIN 53523; ASTM D 1646)
(2) see Therban® AT for maximum flow
*   Trial product (VP=Versuchsprodukt)

Partially saturated grades (suitable for peroxide and sulfur crosslinking)
ACN
cont.
(%)

Mooney
viscosity(1)
ML(1+4)
100 °C

 Residual
double bond
content
(%)		 Density
(g/cm3)		 Standard packaging
Remarks                                                  
Therban® 3446 34 61 4.0 0.95
Bulk-Box with 20 bales of 25 kg each wrapped in polyethylene film or 25 kg bales individually packed in boxes






 optimal combination of heat resistance, dynamic properties and processing
Therban® 3467 34 68 5.5 0.95 recomended standard grade for sulfur cure; excellent dynamic properties

Therban® 3496

 34 55 18.0 0.96 optimal compromise between low-temperature compression set and oil swell resistance, especially suited for rolls and dynamic oil field components
Therban® 3627 36 66 2.0 0.96 special low RDB type, comparable to Therban® 3607 (peroxide cure recommended) to increase crosslink density for high modulus and/or low compression set applications
Therban® 3629 36 87 2.0 0.96 special low RDB type, similar to Therban® 3627 for higher filler load capacity (peroxide cure recommended) 
Therban® 3668 VP* 36 80 6.0 0.95 high RDB, high Mooney grade similar to Therban® 3627 for higher filler and plasticizer load capacity
Therban® 4367 43 61 5.5 0.98 excellent resistance to oils; should be used instead of Therban® 4307 in case improved dynamic and bonding properties are required
Therban® 4369 43 97 5.5 0.98 similar to Therban® 4307 with capacity for higher filler loads
Therban® 4498 VP* 44 78 9.0 0.98 High ACN and high RDB grade, primarily designed for dynamic application requiring excellent resistance to heat and non-polar hydrocarbon fluids


(1) unmassed (DIN 53523; ASTM D 1646)
(2) see Therban® AT for maximum flow
*   Trial product (VP=Versuchsprodukt)

 

Specialty grades
ACN
cont.
(%)

Mooney
viscosity(1)
ML(1+4)
100 °C

 Residual
double bond
content
(%)		 Density
(g/cm3)		 Standard packaging
Remarks                                                  
Low Temperature Technology - LT
Therban® LT 1707 VP* 17 74 max. 0.9 0.96 Bulk-Box with 20 bales of 25 kg each wrapped in polyethylene film or 25 kg bales individually packed in boxes

 





 Low ACN grade for optimal flexibility and excellent compression set at very low temperature, designed for extreme service conditions (peroxide curable)
Therban® LT 1757 VP* 17 70 5.5 0.96 designed for excellent compression set at low temperatures (sulfur and peroxide curable)
Therban® LT 2157 21 70 5.5 0.96 optimal low-temperature flexibility balanced with good oil resistance for use in low-temperature belts, seals, O-rings and gaskets
Therban® LT 2007 21 74 max. 0.9 0.96 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

Therban® LT 2057

 21 67 5.5 0.96 similar to Therban® LT 2157 with outstanding low mold fouling properties (sulfur and peroxide curable)
Therban® LT 2568* 25 80 5.0 0.97 similar to Therban® LT 2157 low mold fouling grade with improved oil resistance
Low Mooney - Advanced Technology - AT
Therban® AT 3404 34 39 max. 0.9 0.95
Bulk-Box with 20 bales of 25 kg each wrapped in polyethylene film or 25 kg bales individually packed in boxes



 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)
Therban® AT 3443 VP* 34 39 4.0 0.95 similar to Therban® 3446 combined with processing advantages of new Advances Technology (sulfur and peroxide curable)
Therban® AT 3904 VP* 39 39 0.9 0.95 similar to Therban® 3907 combined with processing advantages of new Advanced Technology (peroxide curable)
Therban® AT 4364 VP* 43 39 5.5 0.98 similar to Therban® 4367 combined with processing advantages of new Advanced Technology (sulfur and peroxide curable)
Therban® AT LT 2004 VP* (Low Temperature/Low Mold Fouling)
 21 39 max. 0.9 0.95 similar to Therban® LT 2007 combined with processing adavantages of new Advances Technology (peroxide curable)
Carboxylated Technology - XT
Therban® XT KA 8889 VP* 33 77 3.5 0.97 Bulk-Box with 20 bales of 25 kg each wrapped in polyethylene film or 25 kg bales individually packed in boxes 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)
Acrylate Reinforced Technology - ART
Therban® ART KA 8796 VP* 34(2) 22(3) 5.5(2) 1.14 20 kg boxes on pallets, contents: 800 kg
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)


(1) unmassed (DIN 53523; ASTM D 1646)
(2) see Therban® AT for maximum flow
*   Trial product (VP=Versuchsprodukt)

Therban, for more information; http://www.therban.com