Products Description
Using geomembranes as linings for spirulina ponds is a very effective and increasingly popular option, especially for medium- to large-scale farms.
|
different thicknesses of Geomembranes Test |
Unit |
Standard |
Test |
RH75 |
RH10 |
RH15 |
RH20 |
RH30 |
|
|
Mechanical Properties
|
Thickness |
mm |
D5199 |
per roll |
0.75 |
1.00 |
1.50 |
2.00 |
3.00 |
|
Density |
g/cc |
D1505/D792 |
90,000 kg |
0.94 |
|||||
|
Tensile Properties |
D 6693 |
||||||||
|
· yield strength |
kN/m |
Type IV |
9,000 kg |
11 |
15 |
22 |
29 |
44 |
|
|
· break strength |
kN/m |
20 |
27 |
40 |
53 |
80 |
|||
|
· yield elongation |
% |
12 |
12 |
12 |
12 |
12 |
|||
|
· break elongation |
% |
700 |
700 |
700 |
700 |
700 |
|||
|
Tear Resistance |
N |
D 1004 |
20,000 kg |
93 |
125 |
187 |
249 |
374 |
|
|
Puncture Resistance |
N |
D 4833 |
20,000 kg |
240 |
320 |
480 |
640 |
96 |
|
Using geomembranes as linings for spirulina ponds is a very effective and increasingly popular option, especially for medium- to large-scale farms. Compared to rigid tanks or concrete ponds, it offers a cost-effective and highly customizable solution.
Why use geomembranes for spirulina ponds?
Cost-Effectiveness: For large-scale cultivation, using geomembranes is significantly less expensive than building concrete tanks or purchasing multiple rigid plastic or fiberglass ponds.
Customizable and Scalable: You can build ponds of nearly any size and shape based on existing land (although flumes are the most common). Expansion is also relatively easy; simply dig another pond and line it.
Durability: High-quality geomembranes, such as high-density polyethylene (HDPE), are UV-resistant, chemically stable, and puncture-resistant, offering a long service life (over 20 years).
Smooth Surface: A smooth surface prevents algae from attaching to the pond walls, making it easier to clean and minimizing harborage for contaminating bacteria or protozoa.
Waterproof: Provides a perfect barrier to prevent water loss and seepage, and protects groundwater from nutrient-rich overflow contamination.
Installation Speed: Excavation and installation of lined ponds are much faster than the construction and maintenance of concrete ponds.
Material Advantages
HDPE (high-density polyethylene) is the most common choice. It offers excellent chemical resistance, high UV stability, strong puncture resistance, and a long lifespan. Food-grade materials are also available. However, it can be stiff and difficult to install in complex shapes; seams require specialized welding. Suitable for large, permanent outdoor runway ponds. The industry standard for professional operation.


Contact
Tai'an City Ruiheng Building Materials Co., Ltd
● Address: NO.3566 Longquan Road, Tai'an Hi-tech Zone, Shandong Province, China
● Website: www.rhgeomembrane.com
● Email: bonnie@rhgeos.com
● Phone / Whatsapp / Wechat: 0086 188 5482 2179
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