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[ Features ]
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Ptfe O-Ring adopts special rubber resisting high temprature, F+
plastic and special engineering to compound this sealing product. It
not only has low contraction permanent set functions of rubber O-ring,
but also resist heat, cold, oil, friction, chemical corrusion and other
performances. It can be used in all kind of dynamical seal and static
seal widely, meanwhile can replace all traditional rubber and plastic
o-ring.
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[ Main properties ]
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We can produce other no-nominal compound o-ring.
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Property
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Unit
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A
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B
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C
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Normal Ckonditions
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Hardness
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JIS Hs
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70-90
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70-90
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60-75
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Elongation,min
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%
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60
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60
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80
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Tensile Strength,min
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MPa
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16
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16
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16
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Compressibility
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%
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50-60
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50-60
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60-75
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Recovery
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%
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>85
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>85
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>70
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Permanentset
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%
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<10
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<10
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<20
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230  X24h hot air ageing
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Change of hardness,max.
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JIS Hs
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-5-+5
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-5-+5
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-5-+5
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Change of tensile strength,max.
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%
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-15
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-15
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-15
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Change of elongation,max.
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%
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-20
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-20
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-20
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Compression permanentset
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175 X70h
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%
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 20
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20
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30
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Colour
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blown
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black
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red
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Applications
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Temperature Limits
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-20-250
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-20-200
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-50-200
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Pressure Limits
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MPa
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0-35
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Strong caustics,moderate
acids,chlorine,gases,wter,steam,hydrocarbons,hydrogen and aluminum
fluoride except element fluorine and fusion sodium.
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[ Specifications ]
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Setion Diameter
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Nominal Inside Diameter
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Setion Diameter
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Nominal Inside Diameter
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1.80  0.10
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20 0.10-300 1.60
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6.00 0.13
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80 0.80-400 2.00
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2.60 0.10
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20 0.15-300 1.60
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6.30 0.14
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80 0.80-400 2.00
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3.55 0.10
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25 0.15-300 1.60
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7.00 0.14
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100 0.65-1000 4.00
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4.00 0.10
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40 0.20-300 1.60
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8.00 0.16
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110 1.00-2000 4.00
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4.60 0.10
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40 0.20-300 1.60
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10.00 0.18
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200 1.50-2000 6.00
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5.00 0.10
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40 0.25-400 1.80
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12.00 0.18
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 400 1.50-6.00
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5.30 0.13
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60 0.30-400 1.80
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14.00 0.18
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400 1.50-6.00
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5.50 0.13
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60 0.30-400 1.80
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16.00 0.18
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400 1.50-6.00
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5.70 0.13
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60 0.30-400 2.00
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