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Introduction

Date:2015/1/27 18:06:37 Hits:3117
PEX technology is the cross-linking of polyethylene. By modifying the polymer and changing its characteristics using additives, polyethylene can be used in new, more demanding applications.
While the improved maximum operating temperature is one of the initial attractions of cross-linking, there are other advantages in comparison with uncross-linked polyethylene:

Reduced deformation under load (creep)
Improved ageing resistance
Improved chemical resistance
Improved abrasion resistance
Improved impact strength
Reduced rapid crack propagation (RCP), even at low temperature
Improved environmental stress crack resistance (ESCR)
Outstanding resistance to slow-crack growth


The following three methods are mainly used for cross-linking polyethylene :
Peroxide cross-linking : PE-Xa
Silane cross-linking : PE-Xb
Irradiation cross-linking : PE-Xc


The advantages of the silane process:
Easy processing
No special equipment required
Outstanding mechanical properties
High production speed


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The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
The following methods are mainly used for cross-linking Polyethylene
The rules of gel content for different cross-linking techniques
The processes of silane cross-linking polyethylene
Can PEX-material be dried
The influence factors of gel content of silane cross-linking polyethylene
Mixing of grafted material and masterbatches
How to reduce the premature cross-linking of PEX
How to improve the surface quality of the pipes
How to reduce the internal stress of pipes
What about standards of PEX pipe
What kind of joint techniques are available for PEX pipes
PEX pipes are used in the following applications:
The corrosion resistance of PEX
The shrinkage of PEX pipe
Advices on trial of PEX
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