Products and Technology

  1. Home
  2. Products and Technology
  3. Products
  4. Asahi carbon black (for rubber) EPDM compound test value of main products

EPDM compound test value of main products

Description Asahi #15HS Asahi #35 Asahi #50 Asahi #50U Asahi #50HG Asahi #52 Asahi #55
Test items
Mooney viscosity
@125 degrees ML1+4'
19.6 15.9 17.6 17.1 22.6 26.2 21.0
Mooney scorch
@125 degrees t5
15.5 16.0 17.2 14.3 13.5 12.7 14.7
Hardness(JIS) 59 56 58 60 64 69 62
100% modulus(MPa) 2.9 2.6 2.7 3.2 4.4 4.9 4.3
Tensile strength(MPa) 9.3 9.7 11.2 11.4 11.6 12.7 11.8
Ultimate elongation(%) 362 396 384 368 302 297 205
Rebound resilience(%) 61.1 61.2 58.9 54.7 58.0 52.5 54.7
Compression set 14.0 15.3 16.5 15.4 15.6 17.8 16.4
Description Asahi #60U Asahi #60HN Asahi F-200GS
Test items
Mooney viscosity
@125 degrees ML1+4'
25.5 34.5 54.0
Mooney scorch
@125 degrees t5
14.2 10.2 10.6
Hardness(JIS) 69 72 74
100% modulus(MPa) 5.4 6.1 8.7
Tensile strength(MPa) 12.4 12.8 13.5
Ultimate elongation(%) 260 249 162
Rebound resilience(%) 48.0 43.1 45.9
Compression set 17.6 18.0 17.8

EPDM compound list

Non-pro chemicals phr
EPDM 100
Carbon black 120
Oil 80
Stearic acid 1.0
Zinc oxide 5.0
CaO 5.0
Pro chemicals phr
Accelerator M 0.5
Accelerator TT 1.5
Accelerator PZ 1.0
Sulfur 1.5