PTFE O-ring

PTFE O-ring

[ Specifications ]

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Product Details

[ Features ]
Compound 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.
[ Main properties ]
We can produce other no-nominal compound o-ring.
Property
Unit
A
B
C
Normal Ckonditions
Hardness
JIS Hs
70-90
70-90
60-75
Elongation,min
%
60
60
80
Tensile Strength,min
MPa
16
16
16
Compressibility
%
50-60
50-60
60-75
Recovery
%
>85
>85
>70
Permanentset
%
<10
<10
<20
230°C×24h hot air ageing
Change of hardness,max.
JIS Hs
-5-+5
-5-+5
-5-+5
Change of tensile strength,max.
%
-15
-15
-15
Change of elongation,max.
%
-20
-20
-20
Compression permanentset
175°C×70h
%
=20
=20
=30
Colour
blown
black
red
Applications
Temperature Limits
°C
-20-250
-20-200
-50-200
Pressure Limits
MPa
0-35
Strong caustics,moderate acids,chlorine,gases,wter,steam,hydrocarbons,hydrogen and aluminum fluoride except element fluorine and fusion sodium.
[ Specifications ]
Setion Diameter
Nominal Inside Diameter
Setion Diameter
Nominal Inside Diameter
1.80±0.10
20±0.10-300±1.60
6.00±0.13
80±0.80-400±2.00
2.60±0.10
20±0.15-300±1.60
6.30±0.14
80±0.80-400±2.00
3.55±0.10
25±0.15-300±1.60
7.00±0.14
100±0.65-1000±4.00
4.00±0.10
40±0.20-300±1.60
8.00±0.16
110±1.00-2000±4.00
4.60±0.10
40±0.20-300±1.60
10.00±0.18
200±1.50-2000±6.00
5.00±0.10
40±0.25-400±1.80
12.00±0.18
=400±1.50-6.00
5.30±0.13
60±0.30-400±1.80
14.00±0.18
=400±1.50-6.00
5.50±0.13
60±0.30-400±1.80
16.00±0.18
=400±1.50-6.00
5.70±0.13
60±0.30-400±2.00
 
 

Taifno PTFE is one of the most professional ptfe o-ring manufacturers and suppliers China equipped with productive ptfe o-ring factory, welcome to our website.

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