Compound For Refueling Machine Rubber Hose

Executive standards: HB/T3037-2008 Dose distribution of fuel with a rubber and plastic hose and hose assemblies.   Performance comparison Test item Unit Standard Test value Before aging Tensile strength Intermediate…

Product Details

Executive standards: HB/T3037-2008 Dose distribution of fuel with a rubber and plastic hose and hose assemblies.

 

Performance comparison

Test item Unit Standard Test value
Before aging Tensile strength Intermediate values MPa ≥9.0 9.5
Elongation at Intermediate values % ≥250 380
Aging performance test Aging conditions Temperature 100
Time h 72
Tensile strength Rate of change % ≤20 18
Elongation at Rate of change % ≤-35 -9.5
Low-temperature brittleness test Test conditions Temperature ≤-30or-40 -40or-56
Test results(Magnification power of 10 observation) No cracks No cracks
Oil resistance test Test conditions fuel B Temperature 20
Time h 70
The rate of change of volume % 0~100% 21.5
Wear resistance Test results mm3 ≤500 117

 

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