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…

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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
Before aging	Elongation at	Intermediate values	%	≥250	380
Aging performance test	Aging conditions	Temperature	℃	100
	Aging conditions	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
Low-temperature brittleness test	Test results(Magnification power of 10 observation)			No cracks	No cracks
Oil resistance test	Test conditions fuel B	Temperature	℃	20
	Test conditions fuel B	Time	h	70
	The rate of change of volume		%	0～100%	21.5
Wear resistance	Test results		mm³	≤500	117

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