Komatsu PC210 hydraulic pump seal service kit

Physical property Test standard Unit Value

Hardness ASTM D2240 shore A 96

Hardness ASTM D2240 shore D 51

Density ASTM D792 g/cm3 1.19

Tensile Strength ASTM D412(500mm/min) MPa 42

100% modulus ASTM D412 (500mm/min) MPa 14.5

300&modulus ASTM D412(500mm/min) MPa 26

Elongation at break ASTM D412(500mm/min) % 420

Tear Strength ASTM D264(500mm/min) N/mm 145

Abrasion DIN 53516 mm3 29

Compression set (70℃ 24H) ASTM D395 (method B compression rate 25%) % 21

Compression set (100℃ 24H) ASTM D395 (method B compression rate 25%) % 33

Low temperature retraction TR10 GB/T7758-2002 ℃ -24

Low temperature retraction TR30 GB/T 7758-2002 ℃ -15.7

Low temperature retraction TR50 GB/T 7758-2002 ℃ -9.8