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Material Grade Reference Library

500 manufacturer-listed material grades for reference and comparison.

These are raw-material or compound references, not finished products or confirmed available stock. Reported values are typical source values under the stated test conditions. Blank fields mean not reported; they do not mean zero.

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55 matching grades · Page 1 of 3

Manufacturer / gradePolymerHardnessTensile MPaElongation %Source and test context
Keltan® 0500R
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0092

Melt Flow Index
{"value":"190 °C 11 g\/10mi","test_method":"ASTM D 1238","condition":"","temperature":""}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"49 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 0500RS
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0093

Melt Flow Index
{"value":"190 °C 6,5 g\/10mi","test_method":"ASTM D 1238","condition":"","temperature":""}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"49 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 10660C
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0094

Mooney Viscosity
{"value":"66 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"150 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"56 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"6,5 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 10675C
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0095

Mooney Viscosity
{"value":"67 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"150 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"65 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"6,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Oil Content
{"value":"50 PHR","test_method":"ISO 1407","condition":"","temperature":""}
Density
{"value":"0,87 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 10950C
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0096

Mooney Viscosity
{"value":"66 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"150 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"52 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"9,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"","condition":"","temperature":""}
Keltan® 13561C
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0097

Mooney Viscosity
{"value":"92 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"150 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"56 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"5,5 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Oil Content
{"value":"15 PHR","test_method":"ISO 1407","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 13951C DE
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0098

Mooney Viscosity
{"value":"92 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"150 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"44 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"9,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Oil Content
{"value":"15 PHR","test_method":"ISO 1407","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"","condition":"","temperature":""}
Keltan® 1500R
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0099

Melt Flow Index
{"value":"190 °C 2,55 g\/10mi","test_method":"ASTM D 1238","condition":"","temperature":""}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"49 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 1519R
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0100

Melt Flow Index
{"value":"190 °C 4,5 g\/10mi","test_method":"ASTM D 1238","condition":"","temperature":""}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Maleic Anhydride Content
{"value":"1,9 wt %","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"49 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
Keltan® 2450
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0101

Mooney Viscosity
{"value":"28 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"48 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,1 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 2470C
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0102

Mooney Viscosity
{"value":"22 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"70,5 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,5 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"","condition":"","temperature":""}
Keltan® 2470E
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0103

Mooney Viscosity
{"value":"22 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"69 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,2 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 2470S
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0104

Mooney Viscosity
{"value":"25 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"69 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,2 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 2650
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0105

Mooney Viscosity
{"value":"25 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"53 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"6,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 2650C
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0106

Mooney Viscosity
{"value":"25 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"46 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"6,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 2750
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0107

Mooney Viscosity
{"value":"28 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"48 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"7,8 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 3050
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0108

Mooney Viscosity
{"value":"51 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"100 °C"}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"49 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 3250
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0109

Mooney Viscosity
{"value":"33 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"55 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"2,3 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 3470
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0110

Mooney Viscosity
{"value":"36 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"68 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,6 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 3960
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0111

Mooney Viscosity
{"value":"35 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"Medium","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"56 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"11,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 3973
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0112

Mooney Viscosity
{"value":"34 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"66 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"9,0 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Oil Content
{"value":"30 PHR","test_method":"ISO 1407","condition":"","temperature":""}
Density
{"value":"0,87 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 4450
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0113

Mooney Viscosity
{"value":"46 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"Narrow","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"52 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,3 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 4450S
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0114

Mooney Viscosity
{"value":"42 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"CLCB","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"52 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,3 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 4460D
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0115

Mooney Viscosity
{"value":"46 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"Broad","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"58 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
DCPD Content
{"value":"4,5 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Density
{"value":"0,86 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}
Keltan® 4465
ARLANXEO
EPDM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0116

Mooney Viscosity
{"value":"48 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+4)","temperature":"125 °C"}
Molecular Weight Distribution
{"value":"Broad","test_method":"Internal Method","condition":"","temperature":""}
Ethylene Content
{"value":"56 wt %","test_method":"ASTM D 3900","condition":"","temperature":""}
ENB Content
{"value":"4,1 wt %","test_method":"ASTM D 6047","condition":"","temperature":""}
Oil Content
{"value":"50 PHR","test_method":"ISO 1407","condition":"","temperature":""}
Density
{"value":"0,87 g\/cm3","test_method":"Internal Method","condition":"","temperature":""}

Source access date: 19 October 2026. Cure conditions are not continuous service-temperature ratings. Shore A and Asker C are kept separate. Refer to the manufacturer source for full conditions and current documentation.