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allen.lo@maspowergeo.com 008613728185977
Home     Geomembrane

Geomembrane

What is Geomembrane ?

Geomembrane (geomembrana) is a tough plastic liner with High Strength , Strong Stress Crack resistance , Fantastic Chemical Resistance , Amazing Resistance to high or low Temperature , Ultraviolet .Oxidation and Long Lasting . HDPE geomembrane is with strong tensile strengh ≥ 25 MPa and very low impermeability coefficient ≤ 10⁻¹² cm/s.  It works great in strong acids, alkali , oils environment and temperature ranging from -70°C and to 70°C.  The lifespan is over 50 years.
This is the reason that it’s widely used as liner for all kinds of anti-seepage applications, such as Irrigation pond , Shrimp or Fish Pond , Landfill , Biogas Digester , Mining , Waster Water Treatment , Water Tank ...etc



As experienced geomembrane manufacturer since 2008 , MASPOWER produce high class quality grade of geomembrane liner with different material types : HDPE  PVC  LLDPE , of course with different characteristics and applications. Among them , HDPE geomembrane is the most popular and commonly used. People also call it HDPE liner . Here are some general features of those liners :
Life-span : HDPE (over 50 years) > LLDPE (30-50 years) > PVC (10-20 years, affected by plasticizer migration)
Tensile Strength: HDPE > LLDPE > PVC
Anti UV and Anti-Oxidation: HDPE > LLDPE > PVC
Compliance : HDPE ≈ LLDPE < PVC
Environmental Performance: HDPE and LLDPE are more recyclable, while PVC, due to its chlorine and plasticizer content, is difficult to recycle and less environmentally friendly .

Textured geomembrane liner also available. It's ideally suitable for projects with steep slopes because the textured surface bring much more friction on the contact surface.
 Both HDPE and LLDPE liner are up to top quality Standard : GRI-GM13 GM17 ,which is the best quality grade in the world.  Our PVC liner meets GB standard , the best quality grade in China.




All Thicknesses Available for Different Application

We also wholesale geomembrane liners with different thickness and Sizes :
0.5mm  0.75mm  1mm  1.25mm   1.5mm   2mm   2.5mm   3.0mm
Or
20mils   30mils   40mils   50mils   60mils   80mils   100mils    120mils
.....
The liners can be produced as 6m 7m 8m .... wide and 50m 70m 100m... long per roll. Here are thicknesses matches corresponding applications :
0.5mm  0.75mm  or 20mils  30mils HDPE liners    for fish shrimp pond
1mm  or  40mils liners                                            for large reservoir  , dam and landscaping lake
1mm   1.2mm  1.5mm  or   40mils  50mils  60mils for landfill
1.2mm  1.5mm  or   50mils  60mils                        for Biogas Digester
1.5mm  2mm  or  60mils  80mils                            for  mining


Turnkey Solution with Honesty

MASPOWER supplies different thicknesses of geomembrane liners , different material types ( HDPE ,PVC ,LLDPE ) and High Class quality grade . We can also make the liner 2m 3m 4m 6m 7m 8m wide and 50m 80m 100m... long as you wish so that the liner can fit your project to the largest extent.
Both HDPE and LLDPE liner are up to top quality Standard : GRI-GM13 GM17 ,which is the best quality grade in the world.  Our PVC liner meets GB standard , the best quality grade in China. We can also produce virgin raw materials mixed with recycled ones, which is high cost-performance. It’s suitable for irrigation pond or aquaculture pond.We always recommend suitable quality grade liner to clients based on the projects , so that the project safety is guaranteed and budgets spent wisely .
One stop service for you : Design the project - Recommend suitable geomembrane for the project - Good Quality Liner Guaranteed - Installation Instruction or Service available.
Dealing with professional manufacturer like MASPOWER , means smooth transaction for clients.


Technical Specification of Geomembrane Liner

Maspower Smooth HDPE Geomembrane Technical Data (GRI-GM 13 - 2021)
Properties Test Method Test Value Test Frequency
Mechanical Properties Thickness mm ASTMD5199 0.2 0.3 0.5 0.75 1.00 1.25 1.50 2.00 2.50 3.00 Per roll
Density g/cc ASTMD1505/D792 0.94 90,000 kg
Tensile Properties (1) (min. ave.)
· yield strength
· break strength
· yield elongation
· break elongation 		kN/m kN/m
%
% 		ASTMD 6693
Type IV 		3
5
12
700 		5
8
12
700 		7
13
12
700 		11
20
12
700 		15
27
12
700 		18
33
12
700 		22
40
12
700 		29
53
12
700 		37
67
12
700 		44
80
12
700 		9,000 kg
Tear Resistance N ASTM D 1004 25 38 62 93 125 156 187 249 311 374 20,000 kg
Puncture Resistance N ASTM D 4833 64 96 160 240 320 400 480 640 800 960 20,000 kg
Stress Crack Resistance (2) hr. ASTM D 5397 500 hr. per GRI GM-10
Carbon Black Content % ASTM D 4218 (3) 2.0-3.0% 9,000 kg
Carbon Black Dispersion ASTM D 5596 note (4) 20,000 kg
Reference Properties Oxidative Induction Time(OTI) (5)
(a) Standard OIT or
(b) High Pressure OIT 		min ASTM D 8117
ASTM D 5885
100 min.
400 min.
90,000 kg
Oven Aging at 85°C retained after 90 days (6)
(a) Standard OIT - % or
(b) High Pressure OIT - % 		% ASTM D 5721
ASTM D 8117
ASTM D 5885
55%
80%
per each formulation
UV Resistance (7)
(a) Standard OIT - % (min. ave.) or
(b) High Pressure OIT (min. ave.) - % retained after 1600 hrs (9) 		% ASTM D 7238
ASTM D 8117
ASTM D 5885 		N.R.(8) 50% per each
formulation
(1) Machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction
Yield elongation is calculated using a gage length of 33 mm
Break elongation is calculated using a gage length of 50 mm
(2) The yield stress used to calculate the applied load for the SP-NCTL test should be the manufacturer’s mean value via MQC testing.
(3) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established.
(4) Carbon black dispersion (only near spherical agglomerates) for 10 different views:
9 in Categories 1 or 2 and 1 in Category 3
(5) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(6) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(7) The condition of the test should be 20 hr. UV cycle at 75C followed by 4 hr. condensation at 60C.
(8) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(9) UV resistance is based on percent retained value regardless of the original HP-OIT value.



Maspower Smooth LLDPE Geomembrane Technical Data (GRI-GM 17 - 2021)
Properties Test Method Test Value Test Frequency
Mechanical Properties Thickness mm ASTMD5199 0.5 0.75 1.00 1.25 1.50 2.00 2.50 3.00 Per roll
Density g/cc ASTMD1505/D792 0.939 90,000 kg
Tensile Properties (1)
· break strength
· break elongation 		N/mm
% 		ASTMD 6693
Type IV
13
800
20
800
27
800
33
800
40
800
53
800
66
800
80
800 		9,000 kg
2% Modulus (max) N/mm ASTM D5323 210 315 420 520 630 840 1050 1260 Per Fomulation
Tear Resistance N ASTM D 1004 50 70 100 120 150 200 250 300 20,000 kg
Puncture Resistance N ASTM D 4833 120 190 250 310 370 500 620 750 20,000 kg
Axi-symmertric Break Resistance strain % ASTM D5617 30 Per Fomulation
Reference Properties Carbon Black Content % ASTM D 4218 (3) 2.0 - 3.0 20,000 kg
Carbon Black Dispersion ASTM D 5596 note (3) 20,000 kg
Oxidative Induction Time(OIT) (4)
(c) Standard OIT or
(d) High Pressure OIT 		min ASTM D 8117
ASTM D 5885
100 400 90,000 kg
Oven Aging at 85°C retained after 90 days (5)
(a) Standard OIT - % or
(b) High Pressure OIT - % 		% ASTM D 5721
ASTM D 8117
ASTM D 5885 		35 60 per each formulation
UV Resistance (6)
(a) Standard OIT - % (min. ave.) % retained after 1600 hrs or
(b) High Pressure OIT (min. ave.) - % retained after 1600 hrs (8) 		% ASTM D 7238
ASTM D 8117
ASTM D 5885 		N.R(7) 35 per each
formulation
(1) Machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction.
• Break elongation is calculated using a gage length of 50 mm at 50 mm/min.
(2) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established. (3) Carbon black dispersion (only near spherical agglomerates) for 10 different views:
• 9 in Categories 1 or 2 and 1 in Category 3
(4) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(5) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(6) The condition of the test should be 20 hr. UV cycle at 75C followed by 4 hr. condensation at 60C.
(7) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(8) UV resistance is based on percent retained value regardless of the original HP-OIT value.