Borouge Raw Material
Polyethylene Borstar HE3490-LS
Black High Density Polyethylene for Pressure Pipe
DESCRIPTION
Borstar HE3490-LS is a black, bimodal, high density polyethylene classified as a MRS 10.0 Material (PE 100) produced by the advanced Brostar technology. Well dispersed carbon black gives outstanding UV resistance. Long term stability is ensured by an optimized stabilization system.
APPLICATIONS
Brostar HE3490-LS is recommended for pressure pipe systems in the applications field of drinking water and natural gas, pressure sewerage, relining, sea outfall and industrial. It is especially designed for the production of larger diameter, thick wall pipe, but can be processed for the whole range of diameters. It also shows excellent resistance to rapid crack propagation and slow crack growth.
Product Characteristics:
PHYSICAL PROPERATIES |
Typical Value*
|
Unit
|
Test Method
|
Density (Base Resin) |
949
|
kg/m3
|
ISO 1183/ISO 1872-2B
|
Density (Compound) |
959
|
kg/m3
|
ISO 1183/ISO 1872-2B
|
Melt Flow Rate MFR (190 C/2.16 kg) |
<0.1
|
g/10 min
|
ISO 1133
|
Melt Flow Rate MFR (190 C/5.0 kg) |
0.25
|
g/10 min
|
ISO 1133
|
Tensile Stress at Yield (50 mm/min) |
25
|
MPa
|
ISO 527-2
|
Elongation at Break |
>600
|
%
|
ISO 527-2
|
Charpy Impact Strength, noched (0 C) |
16
|
KJ/m2
|
ISO 179/1eA
|
Hardness, Shore D |
60
|
-
|
ISO 868
|
Carbon Black content |
>2
|
%
|
ASTM D 1603
|
Brittleness Temperature |
<-70
|
C
|
ASTM D 746
|
ESCR (10% Igepal), F50 |
>10000
|
h
|
ASTM D 1693-A
|
Thermal Stability (210 C) |
>15
|
min
|
EN 728
|
*Data should not be used for specification work.
PROCESSING GUIDELINES
The actual extrusion conditions will depend on the type of equipment used. They will also depend on size and wall thickness of the pipe produced. The following conditions may be used as a guideline when starting up the extruder:
Cylinder 180-210 C
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