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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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500 matching grades · Page 1 of 20

Manufacturer / gradePolymerHardnessTensile MPaElongation %Source and test context
SEP-1411-U
Shin-Etsu Chemical		SEP47 Shore A7.8820Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0001

Grade and features
General use
Appearance
Pale yellow
Curing agent name
C-11A/SEP-BM
Standard adding quantity phr
2.0/0.1
Curing conditions(Primary cure)
170℃ × 10 m
Curing conditions(Post cure)
150℃ × 2 h
Hardness Durometer A
47
Density at 23℃(g/cm3)
0.99
Tensile strength (MPa)
7.8
Elongation at break (%)
820
Tear strength Crescent piece(kN/m)
12
Compression set150℃ × 22 h(%)
40
SEP-1421-U
Shin-Etsu Chemical		SEP41 Shore A6.2930Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0002

Grade and features
Heat resistance
Appearance
Pale yellow
Curing agent name
C-11A
Standard adding quantity phr
2.0
Curing conditions(Primary cure)
170℃ × 10 m
Curing conditions(Post cure)
150℃ × 2 h
Hardness Durometer A
41
Density at 23℃(g/cm3)
1.01
Tensile strength (MPa)
6.2
Elongation at break (%)
930
Tear strength Crescent piece(kN/m)
12
Compression set150℃ × 22 h(%)
50
SEP-1711-U
Shin-Etsu Chemical		SEP70 Shore A17600Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0003

Grade and features
General use
Appearance
Yellow
Curing agent name
C-11A
Standard adding quantity phr
2.0
Curing conditions(Primary cure)
170℃ × 10 m
Curing conditions(Post cure)
150℃ × 2 h
Hardness Durometer A
70
Density at 23℃(g/cm3)
1.11
Tensile strength (MPa)
17.0
Elongation at break (%)
600
Tear strength Crescent piece(kN/m)
35
Compression set150℃ × 22 h(%)
40
SEP-1721-U
Shin-Etsu Chemical		SEP72 Shore A11550Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0004

Grade and features
Heat resistance
Appearance
Pale yellow
Curing agent name
C-11A
Standard adding quantity phr
2.0
Curing conditions(Primary cure)
170℃ × 10 m
Curing conditions(Post cure)
150℃ × 2 h
Hardness Durometer A
72
Density at 23℃(g/cm3)
1.15
Tensile strength (MPa)
11.0
Elongation at break (%)
550
Tear strength Crescent piece(kN/m)
30
Compression set150℃ × 22 h(%)
45
SEP-1731-U
Shin-Etsu Chemical		SEP70 Shore A14600Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0005

Grade and features
Extrusion
Appearance
Gray
Curing agent name
C-12/SEP-BM
Standard adding quantity phr
4.0/0.2
Curing conditions(Primary cure)
170℃ × 10 m
Curing conditions(Post cure)
150℃ × 2 h
Hardness Durometer A
70
Density at 23℃(g/cm3)
1.21
Tensile strength (MPa)
14.0
Elongation at break (%)
600
Tear strength Crescent piece(kN/m)
30
Compression set150℃ × 22 h(%)
28
SEP-363-U
Shin-Etsu Chemical		SEP70 Shore A4.8400Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0006

Grade and features
Flame retardance
Appearance
Black
Curing agent name
C-11A
Standard adding quantity phr
1.5
Curing conditions(Primary cure)
170℃ × 10 m
Curing conditions(Post cure)
150℃ × 2 h
Hardness Durometer A
70
Density at 23℃(g/cm3)
1.40
Tensile strength (MPa)
4.8
Elongation at break (%)
400
Tear strength Crescent piece(kN/m)
25
Compression set150℃ × 22 h(%)
28
HyTemp® 4051
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0007

Mooney Viscosity ML 1+4, 100°C [MU]
46 – 58
Relative Density
1,1
Cure Site
Chlorine/Carboxyl
Gehman T100 [°C]
–18
HyTemp® 4051CG
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0008

Mooney Viscosity ML 1+4, 100°C [MU]
25 – 37
Relative Density
1,1
Cure Site
Chlorine/Carboxyl
Gehman T100 [°C]
–18
HyTemp® 4051EP
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0009

Mooney Viscosity ML 1+4, 100°C [MU]
35 – 47
Relative Density
1,1
Cure Site
Chlorine/Carboxyl
Gehman T100 [°C]
–18
HyTemp® 4451CG
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0010

Mooney Viscosity ML 1+4, 100°C [MU]
25 – 37
Relative Density
1,1
Cure Site
Chlorine/Carboxyl
Gehman T100 [°C]
–18
HyTemp® 4454
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0011

Mooney Viscosity ML 1+4, 100°C [MU]
22 – 34
Relative Density
1,1
Cure Site
Chlorine/Carboxyl
Gehman T100 [°C]
–41
HyTemp® AR12
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0012

Mooney Viscosity ML 1+4, 100°C [MU]
28 – 38
Relative Density
1,1
Cure Site
Special
Gehman T100 [°C]
– 30
HyTemp® AR12B
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0013

Mooney Viscosity ML 1+4, 100°C [MU]
28 – 38
Relative Density
1,1
Cure Site
Special
Gehman T100 [°C]
– 30
HyTemp® AR14
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0014

Mooney Viscosity ML 1+4, 100°C [MU]
28 – 38
Relative Density
1,1
Cure Site
Special
Gehman T100 [°C]
– 40
HyTemp® AR212HR
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0015

Mooney Viscosity ML 1+4, 100°C [MU]
34 – 44
Relative Density
1,1
Cure Site
Special
Gehman T100 [°C]
– 25
HyTemp® AR212XP
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0016

Mooney Viscosity ML 1+4, 100°C [MU]
34 – 44
Relative Density
1,1
Cure Site
Gehman T100 [°C]
HyTemp® AR71
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0017

Mooney Viscosity ML 1+4, 100°C [MU]
42 – 54
Relative Density
1,1
Cure Site
Chlorine
Gehman T100 [°C]
–18
HyTemp® AR715
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0018

Mooney Viscosity ML 1+4, 100°C [MU]
27 – 39
Relative Density
1,1
Cure Site
Chlorine
Gehman T100 [°C]
–24
HyTemp® AR71L
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0019

Mooney Viscosity ML 1+4, 100°C [MU]
29 – 41
Relative Density
1,1
Cure Site
Chlorine
Gehman T100 [°C]
–18
HyTemp® H310X
ZEON		ACM———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0020

Mooney Viscosity ML 1+4, 100°C [MU]
31 – 45
Relative Density
1,1
Cure Site
Special
Gehman T100 [°C]
– 25
X_Butyl® BB 2030
ARLANXEO		BIIR———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0021

Mooney Viscosity
{"value":"32 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"125 °C"}
Bromine Content
{"value":"1,80 wt %","test_method":"Internal Method","condition":"","temperature":""}
Antioxidant non-staining
{"value":"> 0,03 wt %","test_method":"Internal Method","condition":"","temperature":""}
Ash Content
{"value":"< 0,7 wt %","test_method":"ISO 247 \/ ASTM D 5667","condition":"","temperature":""}
Volatile Content
{"value":"< 0,7 wt %","test_method":"ISO 248 \/ ASTM D 5668","condition":"","temperature":""}
X_Butyl® BB 2040
ARLANXEO		BIIR———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0022

Mooney Viscosity
{"value":"39 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"125 °C"}
Bromine Content
{"value":"1,80 wt %","test_method":"Internal Method","condition":"","temperature":""}
Antioxidant non-staining
{"value":"> 0,03 wt %","test_method":"Internal Method","condition":"","temperature":""}
Ash Content
{"value":"≤ 0,7 wt %","test_method":"ISO 247 \/ ASTM D 5667","condition":"","temperature":""}
Volatile Content
{"value":"≤ 0,7 wt %","test_method":"ISO 248 \/ ASTM D 5668","condition":"","temperature":""}
X_Butyl® BB X2
ARLANXEO		BIIR———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0023

Mooney Viscosity
{"value":"46 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"125 °C"}
Bromine Content
{"value":"1,80 wt %","test_method":"Internal Method","condition":"","temperature":""}
Antioxidant non-staining
{"value":"> 0,03 wt %","test_method":"Internal Method","condition":"","temperature":""}
Ash Content
{"value":"≤ 0,7 wt %","test_method":"ISO 247 \/ ASTM D 5667","condition":"","temperature":""}
Volatile Content
{"value":"≤ 0,7 wt %","test_method":"ISO 248 \/ ASTM D 5668","condition":"","temperature":""}
X_Butyl® Eco-BC BB 2030
ARLANXEO		BIIR———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0024

Mooney Viscosity
{"value":"32 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"125 °C"}
Bromine Content
{"value":"1,80 wt %","test_method":"Internal Method","condition":"","temperature":""}
Antioxidant non-staining
{"value":"> 0,03 wt %","test_method":"Internal Method","condition":"","temperature":""}
Ash Content
{"value":"< 0,7 wt %","test_method":"ISO 247 \/ ASTM D 5667","condition":"","temperature":""}
Volatile Content
{"value":"< 0,7 wt %","test_method":"ISO 248 \/ ASTM D 5668","condition":"","temperature":""}
X_Butyl® Eco-BC BB X2
ARLANXEO		BIIR———Manufacturer source
Reported conditions

Accessed 2026-10-19. RSM-0025

Mooney Viscosity
{"value":"46 MU","test_method":"ISO 289 \/ ASTM D 1646","condition":"ML (1+8)","temperature":"125 °C"}
Bromine Content
{"value":"1,80 wt %","test_method":"Internal Method","condition":"","temperature":""}
Antioxidant non-staining
{"value":"> 0,03 wt %","test_method":"Internal Method","condition":"","temperature":""}
Ash Content
{"value":"< 0,7 wt %","test_method":"ISO 247 \/ ASTM D 5667","condition":"","temperature":""}
Volatile Content
{"value":"< 0,7 wt %","test_method":"ISO 248 \/ ASTM D 5668","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.