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Typical properties in EPDM-NBR-CR

DATA3 Typical Properties in EPDM-NBR-CR

Typical Properties in EPDM

  Curing Time
(min)
SEAST
116HM
(MAF-HS)
SEAST
116
(MAF)
SEAST
FM
(FEF-HS)
SEAST
SO
(FEF)
SEAST
V
(GPF)
SEAST
SVH
(SRF-HS)
Mooney Viscosity ML1+4 135°C - 53.4 46.1 48 45 40.5 44.8
Mooney Scorch Time t5L 135°Cmin - 6.3 6.9 6.8 6.8 7.2 7.3
Hardness (JIS Hs) 40' 80 76 75 75 72 75
100%Modulus MPa 40' 7 5.5 6.2 5.5 4.1 5.5
Tensile Strength MPa 40' 19.1 18 17.6 18 13.9 16.5
Elongation at Break % 40' 290 310 290 310 320 320
Tear Strength KN/m 40' 50 46 44 44 41 44
Rebound Resilience % 40' 56.9 58.2 61 59.7 62.0 61.9
Modulus at low elongation MPa 40' 1.19 1.04 1.07 1.01 0.89 1
Heat Build-up (Flexometer) °C 40' 28.3 25.8 22.9 23.8 20.3 22.6
Permanent Set (Flexometer) % 40' 1.6 1.4 1 1.2 1.1 1.2
Compression Set % 40' 39 39 36 38 36 37
Loss tangent   40' 0.118 0.115 0.111 0.117 0.105 0.11
Storage modulus MPa 40' 21.93 17.72 14.35 16.93 12.37 14.22
  Curing Time
(min)
SEAST
FY
(SRF-HS)
SEAST
S
(SRF)
SEAST
SP
(SRF-LS)
SEAST
TA
(FT<‰)
IRB#6
Mooney Viscosity ML1+4 135°C - 48.1 38.2 37.4 35.9 47
Mooney Scorch Time t5L 135°Cmin - 7.8 7.4 7.3 7.7 6.9
Hardness (JIS Hs) 40' 75 70 68 65 77
100%Modulus MPa 40' 5.1 3.5 2.7 2.6 5.1
Tensile Strength MPa 40' 15.2 12.2 10.8 12.3 20.4
Elongation at Break % 40' 320 320 340 370 360
Tear Strength KN/m 40' 49 41 39 35 47
Rebound Resilience % 40' 60.5 63.0 63 66 52.8
Modulus at low elongation MPa 40' 1.02 0.83 0.75 0.71 1.03
Heat Build-up (Flexometer) °C 40' 20.9 19.5 17.9 17.4 27.5
Permanent Set (Flexometer) % 40' 0.9 1 0.8 0.9 2.1
Compression Set % 40' 37 35 32 34 42
Loss tangent   40' 0.11 0.105 0.109 0.103 0.132
Storage modulus MPa 40' 14.51 11.25 9.9 7.88 21.33

* Formulation: EPDM 100, Zinc Oxide 5, Stearic Acid 1,Accelerator TS/M 1.5/0.5, Sulfur 1.5, Carbon Black 50.

* Mixing Procedure: using Btype Banbury mixer.

* Curing Temperature at 150°C.

* Compression Set measuring requirements: 22 hrs at 100°C.

* Viscoelastic properties Measuring Requirements: f= 100 Hz, Strain= 0.2%, at room temperature.

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Typical Properties in Chloroprene Rubber

  Curing Time
(min)
SEAST
116HM
(MAF-HS)
SEAST
116
(MAF)
SEAST
FM
(FEF-HS)
SEAST
SO
(FEF)
SEAST
V
(GPF)
SEAST
SVH
(SRF-HS)
Mooney Viscosity ML1+4 125°C - 68.3 56.5 58.3 54.4 49.9 53.1
Mooney Scorch Time t5L 125°Cmin - 5.8 6.4 6.6 6.3 7.1 7
Hardness (JIS Hs) 30' 74 71 71 70 66 70
100%Modulus MPa 30' 7.4 5.8 6.3 5.6 4.2 5.8
Tensile Strength MPa 30' 23.7 23.0 22.6 22.8 21.4 22.2
Elongation at Break % 30' 250 280 270 280 320 290
Tear Strength KN/m 30' 50 49 47 46 47 47
Rebound Resilience % 30' 51.2 52.6 53.6 53.3 56.0 54.6
Modulus at low elongation MPa 30' 1.19 1.03 1.04 0.99 0.88 1.01
Heat Build-up (Flexometer) °C 30' 37 36.3 34.1 34.9 31.9 33.5
Permanent Set (Flexometer) % 30' 0.9 0.8 0.9 0.8 0.8 0.8
Compression Set % 30' 16 16 16 16 15 16
Loss tangent   30' 0.174 0.171 0.167 0.17 0.157 0.167
Storage modulus MPa 30' 15.83 12.58 11.11 11.85 9.4 11.12
  Curing Time
(min)
SEAST
FY
(SRF-HS)
SEAST
S
(SRF)
SEAST
SP
(SRF-LS)
SEAST
TA
(FT<‰)
IRB#6
Mooney Viscosity ML1+4 125°C - 63 45 38.7 37.8 58.3
Mooney Scorch Time t5L 125°Cmin - 6.6 7.3 7.6 7.7 6.2
Hardness (JIS Hs) 30' 72 64 62 60 73
100%Modulus MPa 30' 6.2 3.5 2.5 2.5 5.9
Tensile Strength MPa 30' 24 21.1 22.6 21.3 25.1
Elongation at Break % 30' 290 330 390 420 300
Tear Strength KN/m 30' 44 43 40 41 49
Rebound Resilience % 30' 53.4 57.4 58.5 60.0 45.1
Modulus at low elongation MPa 30' 1.08 0.79 0.73 0.65 0.98
Heat Build-up (Flexometer) °C 30' 35.7 30.4 28.3 28.9 38.6
Permanent Set (Flexometer) % 30' 0.7 0.6 0.5 0.6 1.6
Compression Set % 30' 14 15 14 12 20
Loss tangent   30' 0.164 0.156 0.151 0.144 0.197
Storage modulus MPa 30' 14.16 8.74 7.78 6.29 15.26

* Formulation:CR 100, oil 10, Zinc Oxide 5, Stearic Acid 0.5, Magnesium oxide 4, Accelerator NA22 0.5, Anti Oxidant PA 1, Carbon Black 50.

* Mixing Procedure: using Btype Banbury mixer.

* Curing Temperature at 150°C.

* Compression Set measuring requirements: 22 hrs at 100°C.

* Viscoelastic properties Measuring Requirements: f= 100 Hz, Strain= 0.2%, at room temperature.

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Typical Properties in NBR

  Curing Time
(min)
SEAST
116HM
(MAF-HS)
SEAST
116
(MAF)
SEAST
FM
(FEF-HS)
SEAST
SO
(FEF)
SEAST
V
(GPF)
SEAST
SVH
(SRF-HS)
Mooney Viscosity ML1+4 130°C - 74.9 65.8 67.5 63.7 59.4 62.8
Mooney Scorch Time t5L 130°Cmin - 9.7 10.9 10.4 10.5 11.1 11.5
Hardness (JIS Hs) 40' 73 71 71 70 68 70
100%Modulus MPa 40' 3.7 3 3.2 2.8 2.4 2.9
Tensile Strength MPa 40' 29.5 27.6 27.0 27.8 23.5 26
Elongation at Break % 40' 480 510 490 510 520 530
Tear Strength KN/m 40' 63 58 57 56 55 55
Rebound Resilience % 40' 43.2 44.2 45.1 44.9 46.2 45.9
Modulus at low elongation MPa 40' 0.8 0.77 0.76 0.74 0.69 0.76
Heat Build-up (Flexometer) °C 40' 55.5 53 48.6 50.6 45.3 47.9
Permanent Set (Flexometer) % 40' 7.8 7.5 7 7.1 6 6.3
Compression Set % 40' 44 42 41 43 40 41
Loss tangent   40' 0.217 0.215 0.212 0.213 0.208 0.21
Storage modulus MPa 40' 15.82 13.24 11.18 12.11 10.96 11.15
  Curing Time
(min)
SEAST
FY
(SRF-HS)
SEAST
S
(SRF)
SEAST
SP
(SRF-LS)
SEAST
TA
(FT Type)
IRB#6
Mooney Viscosity ML1+4 130°C - 66.3 56.2 54.5 54 67.1
Mooney Scorch Time t5L 130°Cmin - 7.2 11.8 13.6 16.3 10.8
Hardness (JIS Hs) 40' 71 66 64 63 70
100%Modulus MPa 40' 2.9 2 1.8 1.6 2.7
Tensile Strength MPa 40' 25.5 23.8 22.6 27.8 29.6
Elongation at Break % 40' 480 530 570 700 530
Tear Strength KN/m 40' 59 51 49 45 58
Rebound Resilience % 40' 45.6 47.0 48.4 48.0 38.6
Modulus at low elongation MPa 40' 0.79 0.64 0.6 0.57 0.74
Heat Build-up (Flexometer) °C 40' 46.7 44.1 41 40.6 53.2
Permanent Set (Flexometer) % 40' 5.9 6.3 5.1 7.2 9.2
Compression Set % 40' 39 39 40 39 47
Loss tangent   40' 0.203 0.207 0.205 0.209 0.249
Storage modulus MPa 40' 12.78 9.61 8.36 7.98 15.61

* Formulation:NBR 100, Zinc Oxide 3, Stearic Acid 1, Accelerator TBBS 0.7, Sulfur 1.5, Carbon Black 40.

* Mixing Procedure: using Btype Banbury mixer.

* Curing Temperature at 150°C.

* Compression Set measuring requirements: 22 hrs at 100°C.

* Viscoelastic properties Measuring Requirements: f= 100 Hz, Strain= 0.2%, at room temperature.

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