Geosynthetics for Mining & Resources

PP high strength geotextile

Conventional drainage mesh has large pore size, unstable core structure, poor
compressive capacity, and is easily deformed after being pressurized by the landfill, resulting in the drainage channel becoming small or closed.

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Description

“Polypropylene high-strength geotextile” is a major scientific and technological innovation project in Shandong Province, supported by Shandong Provincial Science and Technology Department, and jointly researched and developed by Hoyang Environment Co., Ltd. and Tianjin Polytechnic University, aiming to break through the technological bottleneck of the traditional geotextile in terms of mechanical properties, acid and alkali resistance, and resistance to freezing and thawing.

Through the process route innovation to achieve high-performance polypropylene geotextile industrialization, all performance indicators have reached the standard of polypropylene filament geotextile, to break the long-term monopoly of foreign countries on China’s high-end polypropylene non-woven geotextile production process, to achieve high-end leading China’s geosynthetics to the high-end, long-lasting, safe, environmentally friendly direction of transformation and upgrading, to provide China’s engineering construction of high-quality, high- standard products for the construction of the country’s infrastructure Contribute to the national infrastructure construction.

Application

Conventional drainage mesh has large pore size, unstable core structure, poor
compressive capacity, and is easily deformed after being pressurized by the landfill, resulting in the drainage channel becoming small or closed.

Application pain points

Conventional drainage mesh has large pore size, unstable core structure, poor
compressive capacity, and is easily deformed after being pressurized by the landfill, resulting in the drainage channel becoming small or closed.

Technical specifications

PerformanceTest StandardUnitHaoyang28kN34kN40kN
Q/CR 549.5-2016PP filament spunbondedQ/CR 549.5-2016PP filament spunbondedQ/CR 549.5-2016PP filament spunbonded
Gram WeightISO 9864 (GB/T 13762)g/m²400≥400500≥500600≥600
ThicknessISO 9863 (GB/T 13761)mm3.4≥3.34.2≥4.04.6≥4.5
Tensile StrengthISO 10319 (GB/T 15788)kN/m28.5≥2835≥3440.5≥40
ElongationISO 10319 (GB/T 15788)%70/8040–10070/8040–10070/8040–100
Grab StrengthASTM D 4632 (GB/T 24218.18)N1730≥17002200≥21502850≥2800
Tear StrengthGB/T 13763N780≥750870≥8501050≥1000
CBR Bursting StrengthISO 12236 (GB/T 14800)N4400≥42005500≥54006250≥6200
Equivalent Aperture (O90)ISO 12956 (GB/T 17634)mm0.110.07–0.30.090.07–0.30.080.07–0.3
Vertical Permeability CoefficientISO 12958 (GB/T 17633)cm/s3.0×10^-1≥1×10^-22.9×10^-1≥1×10^-22.8×10^-1≥1×10^-2
UV Resistance – Tensile Strength RetentionISO 10319 (GB/T 15788)%85≥8085≥8085≥80
Acid and Alkali Resistance – Tensile Strength RetentionISO 10319 (GB/T 15788)%93≥9093≥9093≥90
Product Specificationmm1000–6500
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