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Smooth black ASTM GM13 0.8mm geomemranes for fish farm
| No. | Item | Test Value | ||||||
| 0.3mm | 0.5mm | 0.75mm | 1.0 mm | 1.5 mm | 2.0mm | 3.0mm | ||
| 1 | Minimum Density(g/cm³) | 0.94 | ||||||
| 2 | Strength at yield,N/mm | 5 | 8 | 11 | 15 | 22 | 29 | 44 |
| 3 | Strength at break ,N/mm | 8 | 14 | 20 | 28 | 40 | 53 | 80 |
| 4 | Elongation at yield,% | 13 | ||||||
| 5 | Elongation at break,% | 720min | ||||||
| 6 | Tear Resistance N | 40 | 65 | 93 | 125 | 190 | 250 | 375 |
| 7 | Puncture Resistance N | 105 | 176 | 240 | 320 | 480 | 640 | 960 |
| 8 | Stress Crack Resistance, hrs | 300 | ||||||
| 9 | Carbon Black Content, % | 2.0-3.0 | ||||||
| Carbon Black Dispersion | 1 or 2 | |||||||
| 10 | Standard OIT Min | 100 | ||||||
| High Pressure OIT Min | 400 | |||||||
| 11 | 85ºC Heat aging(OIT Retention rate at Normal pressure after 90d ) % | 85 | ||||||
| 12 | UV resistance (OIT retention rate after 1600 hours of UV radiation) | 65 | ||||||
| 13 | Impact Cold Crack at -70°C | Pass | ||||||
| 14 | Water vapor permeability (g.cm/cm2 .s.Pa) |
≤1.0×10-13 | ||||||
| 15 | Dimensional Stability (%) | ±2 | ||||||
Shrimp tanks 800 microns hdpe liner pond lining in Thailand
Tai'an City RuiHeng Building Materials Co., Ltd is specialized in the research, development, production and sales of geosynthetic materials, plastic products and plastic machinery. Our company is devoted to geosynthetic material research and development and application.
Geomembrane welding machine
1. Hot wedge welder
2. Extrusion welder gun
3. Hot air welder gun
1.Textured or Smooth Geomembrane hdpe geomembrane liner?
A textured product is either needed or is not. This apparent truism needs to be remembered in many cases in which a product is specified for a project which clearly does not qualify to be designated as textured yet is designated as such, creating a huge confusion about the uncertainty of the client's needs.
If the client does not clarify they require, it is hardly feasible to offer the right solution in conditions comparable to any concurrent company.
2.Is a Geomembrane hdpe lining with a wider roll better?
There is a technical limit for manufacturing geomembranes. In high density polyethylene (HDPE), this is 7.5 to 8m. Beyond this limit, either the raw material is not an HDPE and is instead a softer material which enables the extrusion-header system of the machine to complete the geomembrane transformation cycle, or the uniform thickness or thermal treatment parameters of the raw material have been seriously compromised. Within these limits and exceeding a minimum width, under which it would be unreasonable to present a product for the Safe Containment application, the roll width is the choice of the manufacturer, usually subject to the presentation format and transport cost optimisation.
There is hardly any difference between the cost of machines for given widths.
Within these limits, it is true that a wider roll relieves installation costs in large projects by a small percentage; however it is always at the expense of a higher cost of handling bulk unit weight of the roll or overruns in the finishing of curves or corners.
3.Differences between LLDPE and HDPE hdpe geomembrane liner?
Linear low density polyethylene (LLDPE) and high density polyethylene (HDPE) are raw materials which are similar in terms of composition, but very different in their behaviour, as has already been discussed in previous sections.
HDPE has become a global standard for Safe Containment applications precisely for its unique properties and marketing an LLDPE as an HDPE in these applications is tantamount to offering a substitute product without any benefit to the client. Differentiating them is very simple. Requiring the MFI parameter would be sufficient. Below 1.2 for 190/5kg is an HDPE, and above is not. It's as simple as that.
Shrimp tanks 800 microns hdpe liner pond lining in Thailand
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