Location: Home > Passenger Car Engine Line Assembly SeriesPassenger Car Engine Line Assembly Series
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Name: Fuel Line Hose
Type:
Product Specifications:
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Show Details:
Material: FKM/ECO/Aramid or polyester /ECO/FKM
Construction: spiral
Appearance: black, surface of the fabric pattern/mill finish
Operating temperature: -40℃～135℃/150℃
Executive standard: SAE J30R7 GBT 24141.2-2009
Specification：
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Nominal Size(mm)
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Tolerance I.D(mm)
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Tolerance O.D(mm)
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Working strength(MPa)
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Burst strength（min）
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Min. bend radius (mm)
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5.5
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5.5±0.3
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11.5±0.5
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0.7
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3.0
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44
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6
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6.0±0.3
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12.0±0.5
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0.7
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3.0
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48
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7.5
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7.5±0.3
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14.5±0.5
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0.7
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3.0
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60
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Property：
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No
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Item
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Condition
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Requirement
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1
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vacuum collapse flat
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internal pressure80KPa(absolute pressure)
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diameter decrease≤20%
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2
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cold temperature flexibilityt
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-40℃，24h，bending
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out layer without cracking and fine lines 1MPa/1min ensure no leaking in the test
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3
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physical properties of green material
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tensile strength of out rubber
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min. 10MPa
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tensile strength of inner or middle rubber
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min. 10MPa
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elongation rate of out rubber
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min. 250%
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elongation rate of inner rubber
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min. 250%
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4
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dry and heat aging resistance
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135℃，1000h
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inner and outer hose without cracking, carbonization and cracks
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5
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fuel resistance (inner rubber)
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23℃，168h，CM15
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volume change rate max. +25% / variation of tensile strength max. -40%
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23℃，168h，CM85
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6
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oxidized fuel resistance (inner rubber)
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23℃，168h，CM15
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variation of tensile strength max. -40%
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23℃，168h，CM85
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7
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fuel resistance(out rubber)
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IRM 903oil，135℃，70h
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volume change max. +15%
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8
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extract test
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Total lipid extract max. 0.2g/m2
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9
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ozone resistance(out rubber)
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100pphm，40℃，70h
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no racking
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10
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initial adhesion
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each layer
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min. 1.4N/mmglue material fracture
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11
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fuel oil aging adhesive
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CM15 ，40℃，1000h ；70℃，24h
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min. 1.4N/mmglue material fracture
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12
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kink test
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ball pass through the tube freely
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13
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permeation test
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CM15 ，60℃，664h 40℃，1000h
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68.75g/m2/day
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