PE-X,polyethylene,PE-Xb

Place of origin: China Zhejiang
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Features Specifications: PE-X,polyethylene,PE-Xb

PE-Xb is a crosslinkable compound made by Silane grafted ethylene polymer according to 2 steps or SILPLAS process.

PHYSICAL PROPERTIES 

Item

Test Method

Unit

Typical Value

Density

ASTM D792

g/cm3

0.940

Bulk Density

ASTM D1895-1996

g/cm3

0.59

Melt Flow Index190°C/5kg

ASTMD1238

g/10min

1.20

Volatile Total

GB12006.2-89

%

0.13

Tensile Strength at break

ASTM D638

Mpa

≥21

Elongation at break

ASTM D638

%

≥400

Gel Content

ASTM D 2765

%

≥65

ADVANTAGES OF PE-Xb 

     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 temperatures
  • Improved environmental stress crack resistance (ESCR)
  • Outstanding resistance to slow-crack growth

GUIDANCE OF PROCESSING

      The excellent mechanical properties shown by cross-linked Polyethylene (PEX) have led to its use in the plastic pipe industry, where PE-X pipes are replacing pipes made from thermoplastic polymers, such as PP, PVC and uncross-linked PE of all types.

 

PE-Xb STORAGE

The storage life is six months when PE-Xb is stored in a suitable condition.
1 The package should be opened only before processing.
2 Exposure to direct sunlight must be avoided.
3 After opening the bags the product must be used up within 4-5hours.

PE-Xb PACKING

Graft Polymer: Al-plastics and intertexture bags containing 25kg95% A (Silane grafted ethylene polymer)  5% B (catalyst  masterbatch), sealed under vacuum.


Related Searches: PE-X PE-RT PP-R Pipe Tube

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