Swimming pool waterproofing materials
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Product Introduction
Swimming pool waterproofing materials has a thickness of 0.2-3mm, and a thickness of 0.8mm or more is also called waterproof board. It is a waterproof barrier material based on high-quality polyethylene virgin resin. The main components are 97.5% high-density polyethylene, about 2.5% carbon black, anti-aging agent, antioxidant, UV absorber, stabilizer and other auxiliary materials. It has strong anti-seepage and isolation properties.
Product Usage
1. Environmental protection and sanitation: such as domestic waste landfills, sewage treatment plants, power plant regulating ponds, industrial and hospital solid waste, etc.;
2. Water conservancy: anti-seepage, plugging and reinforcement of rivers, lakes, reservoirs and dams, anti-seepage of canals, vertical core walls, slope protection, etc.;
3. Municipal engineering: underground engineering of subways and buildings, planted roofs, anti-seepage of roof gardens, lining of sewage pipes, etc.;
4. Gardening: artificial lakes, rivers, reservoirs, golf courses, pond linings, slope protection, waterproofing and moisture-proofing of green lawns, etc.;
5. Petrochemical: chemical plants, refineries , anti-seepage of oil storage tanks at gas stations, chemical reaction tanks, linings and secondary linings of sedimentation tanks, etc.;
6. Mining: anti-seepage of bottom linings of washing tanks, heap leaching tanks, ash piles, dissolution tanks, sedimentation tanks, yards, and tailings, etc.;
7. Transportation facilities: foundation reinforcement of highways and anti-seepage of culverts;
8. Agriculture: anti-seepage of reservoirs, drinking water pools, water storage ponds, and irrigation systems;
9. Aquaculture: linings of intensive and factory-based breeding ponds, fish ponds, shrimp ponds, and sea cucumber circle slope protection, etc.;
10. Salt industry: salt field crystallization pools, brine pool covers, and salt pool plastic thatch films, etc.
Product specifications and performance parameters GB/T17643-2011
Table 5 Ordinary high-density polyethylene geomembrane (GH-1 type)
| Serial number | project | Index | ||||||||
| Thickness mm | 0.30 | 0.50 | 0.75 | 1.00 | 1.25 | 1.50 | 2.00 | 2.50 | 3.00 | |
| 1 | Density g/cm³ | ≥0.940 | ||||||||
| 2 | Tensile yield strength (longitudinal and transverse) N/mm | ≥4 | ≥7 | ≥10 | ≥13 | ≥16 | ≥20 | ≥26 | ≥33 | ≥40 |
| 3 | Tensile breaking strength (longitudinal and transverse direction) N/mm | ≥6 | ≥10 | ≥15 | ≥20 | ≥25 | ≥30 | ≥40 | ≥50 | ≥60 |
| 4 | Yield elongation (longitudinal and transverse) % | 一 | 一 | 一 | ≥11 | |||||
| 5 | Break elongation (longitudinal and transverse) % | ≥600 | ||||||||
| 6 | Right-angle tear load (longitudinal and transverse) N | ≥34 | ≥56 | ≥84 | ≥115 | ≥140 | ≥170 | ≥225 | ≥280 | ≥340 |
| 7 | Puncture resistance N | ≥72 | ≥120 | ≥180 | ≥240 | ≥300 | ≥360 | ≥480 | ≥600 | ≥720 |
| 8 | Carbon black content % | 2.0～3.0 | ||||||||
| 9 | Carbon black dispersion | No more than 1 of the 10 data is level 3, and levels 4 and 5 are not allowed. | ||||||||
Table 5 (continued)
| Serial number | project | Index | ||||||||
| Thickness mm | 0.30 | 0.50 | 0.75 | 1.00 | 1.25 | 1.50 | 2.00 | 2.50 | 3.00 | |
| 10 | Atmospheric pressure oxidation induction time (OIT) min | ≥60 | ||||||||
| 11 | Low temperature impact embrittlement performance | Pass | ||||||||
| 12 | Water vapor permeability coefficient g ·cm/(cm² ·s ·Pa) | ≤1.0×10-13 | ||||||||
| 13 | Dimensional stability % | ±2.0 | ||||||||
| Note: The technical performance index requirements of thickness specifications not listed in the table shall be implemented according to the interpolation method. | ||||||||||
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