HDPE Geomembrane

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Geomembrane
HDPE
Polyethylene Geomembranes are specifically designed for exposed conditions. They do not contain additives or filling that could evaporate
and deteriorate the material in time. Geomembranes are generally applied as watertight elements to contain liquids, as leach pad lining, and
in dumps, canals, water-collecting areas and reservoirs.
Polytex Geomembranes can be heat-sealed and are made of especially formulated and certified virgin polyethylene resins. They are resistant
to a number of chemical products including acids, salts, alcohols, oils and hydrocarbons, concentrated or diluted at different temperatures.
Besides their high resistance to chemical agents and UV (2-3% carbon black), they show outstanding mechanical properties: high tensile
strength and great rigidity, and their extremely low impermeability makes them an excellent barrier to fluids and gases.
High Density Polyethylene (HDPE) Geomembranes
Available in both smooth and textured surface, 0.5-3.0 mm thick, a maximum of 8.5 m wide, and length according to requirements. Textured
surface films provide great friction resistance. Colored geomembrane is also available upon request. Textured asperity can also be manipulated
to meet project needs.
HDPE Geomembrane
PROPERTIES
ASTM
UNITS OF
STANDARD MEASSURE
Density
SPECIFIC VALUES
Thickness Thickness Thickness Thickness Thickness Thickness
0.50 mm 0.75 mm 1.00 mm 1.50 mm 2.00 mm 2.50 mm
>0.940
D792 / D1505
gr/ cc
Flow point
tension
D6693
KN/m
7
11
15
22
29
37
Yield strength
Type IV
KN/m
13
20
27
40
53
67
Flow point
elongation
%
12
Break elongation
%
700
Tear resistance
D1004
N
50
93
125
187
249
311
Puncture
resistance
D4833
N
200
240
320
480
640
800
Stress crack
resistance
D5397
hr
300
Carbon black
dispersion
D5596
category
1 or 2
Carbon nlack
content
D1603 / D4218
%
2.0 - 3.0
D3895
min
100
Oxidative
induction
time (OIT)
Planta Santiago: Panamericana Norte 21000 Colina • Teléfono: (56 - 2) 677 10 00
Fax: (56 - 2) 677 10 81 • E-mail: santiago@polytex.cl • www.polytex.cl • Santiago - Chile
Planta Iquique: Santa Rosa de Huara 29 Barrio Industrial • Teléfono: (56 - 57) 362600
Fax: (56 - 57) 422823 • E-mail: iquique@iqpolytex.cl • www.polytex.cl • Iquique - Chile
Planta Perú: C a l l e D M a n z a n a A L o t e 1 7 - L a s P r a d e r a s d e L u r i n
• Teléfono: (51 - 1) 6169393 • www.polytex.cl • Lima - Perú
ISO 9001 - ISO 14001 - OHSAS 18001
Geomembrane
LLDPE
Polyethylene Geomembranes are specifically designed for exposed conditions. They do not contain additives or filling that could evaporate
and deteriorate the material in time. Geomembranes are generally applied as watertight elements to contain liquids, as leach pad lining, and
in dumps, canals, water-collecting areas and reservoirs.
Polytex Geomembranes can be heat-sealed and are made of especially formulated and certified virgin polyethylene resins. They are resistant
to a number of chemical products including acids, salts, alcohols, oils and hydrocarbons, concentrated or diluted at different temperatures.
Besides their high resistance to chemical agents and UV (2-3% carbon black), they show outstanding mechanical properties: high tensile
strength and great rigidity, and their extremely low impermeability makes them an excellent barrier to fluids and gases.
Linear Low Density Polyethylene (LLDPE) Geomembranes
Available in thickness of 0.5-2.5mm, a maximum of 8.5 m wide, and length according to requirements. Minimum density of 0.939gr/cm3 makes
it flexible enough to adhere to steep slopes.
Polytex is producing co-extruded LLDPE, alloyed LLDPE, and hybrid LLDPE products to meet the challenges that fabricators, mining, and
landfill caps require. These products range in thickness from .2 mm to 2.5 mm and up to 10 m wide rolls.
Inquire at Polytex for its product group consisting of floating covers, films for fabricators, or thermal films used in mining applications.
LLDPE Geomembrane
PROPERTIES
Density
ASTM
UNITS OF
STANDARD MEASSURE
D792 / D1505 gr/ cc
SPECIFIC VALUES
Thickness Thickness Thickness Thickness Thickness Thickness
0.50 mm 0.75 mm 1.00 mm 1.50 mm 2.00 mm 2.50 mm
<0.939
Break point
tension
D6693
KN/m
Break point
elongation
Type IV
%
Tear resistance
D1004
N
50
70
Puncture
resistance
D4833
N
120
190
Break point
multiaxial
elongation
D5617
%
30
Carbon black
dispersion
D5596
category
1 or 2
Carbon black
content
D1603 / D4218
%
2.0 - 3.0
D3895
min
100
Oxidative
induction
time (OIT)
13
20
27
40
53
66
100
150
200
250
250
370
500
620
800
Planta Santiago: Panamericana Norte 21000 Colina • Teléfono: (56 - 2) 677 10 00
Fax: (56 - 2) 677 10 81 • E-mail: santiago@polytex.cl • www.polytex.cl • Santiago - Chile
Planta Iquique: Santa Rosa de Huara 29 Barrio Industrial • Teléfono: (56 - 57) 362600
Fax: (56 - 57) 422823 • E-mail: iquique@iqpolytex.cl • www.polytex.cl • Iquique - Chile
Planta Perú: C a l l e D M a n z a n a A L o t e 1 7 - L a s P r a d e r a s d e L u r i n
• Teléfono: (51 - 1) 6169393 • www.polytex.cl • Lima - Perú
ISO 9001 - ISO 14001 - OHSAS 18001
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