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Technical Indicators of Short Fiber Needle-punched Nonwoven Geotextile (GB/T 17638-2017)
| Ltem | Breaking strength/(KN/m) | ||||||||
| 3 | 5 | 8 | 10 | 15 | 20 | 25 | 30 | 40 | |
| Longitudinal and TransversFracture Strength(kN/m) ≥ | 3.0 | 5.0 | 8.0 | 10.0 | 15.0 | 20.0 | 25.0 | 30.0 | 40.0 |
| Corresponding elongation of nominal fracture strength% | 200-100 | ||||||||
| Bursting strength(kN) ≥ | 0.6 | 1.0 | 1.4 | 1.8 | 2.5 | 3.2 | 4.0 | 5.5 | 7.0 |
| Deviation rate of mass per unit area(%) | ±5 | ||||||||
| Longitudinal and transverse tearing strength(kN) ≥ | 0.1 | 0.15 | 0.20 | 0.25 | 0.40 | 0.50 | 0.65 | 0.80 | 1.00 |
| Thickness deviation rate(%) | ±10 | ||||||||
| Sieve SizeO90 mm | 0.07-0.20 | ||||||||
| Vertical Permeability Coefficient( cm/s) | K×(10-1-10-3) K=1.0-9.9 |
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| Width deviation rate(%) | -5 | ||||||||
| Acid and alkali resistance(strength retention rate)(%)≥ | 80 | ||||||||
| Antioxidant activity(strength retention rate)% ≥ | 80 | ||||||||
Dezhou Sentai Environmental Protection Technology Co., Ltd. is located in the famous historical city of northwest Shandong, the hometown of the great Western Han scholar Dongfang Shuo - Dezhou City. The company covers an area of 50 acres, with 100 employees and a total investment of 50 million yuan. It is a large-scale backbone enterprise that integrates the production, scientific research, and development of geotechnical materials.
Sentai Company always believes that creating value for customers and making their engineering better is our eternal responsibility. The company's main products include long (short) filament non-woven fabric, geomembrane, composite geomembrane, PE/PVC/EVA/ECCB waterproof board. GCL sodium based bentonite (waterproof blanket), drainage network, drainage board, geogrid, geogrid chamber, three-dimensional solid soil mat, composite waterproof board, plastic blind ditch and other geosynthetic materials. The company's production equipment and technology are advanced, with precise testing instruments and comprehensive testing methods. All products of the company are produced using national standards.
Quality first, service first, and integrity are the principles that Sentai has always adhered to since its establishment. The company has successively passed ISO9001 international quality system certification, ISO14000 environmental system certification, and obtained the "National Industrial Product Production License" issued by the Provincial Quality and Technical Supervision Bureau. The products are widely used in various fields such as highways, railways, tunnels, reservoir and canal water conservancy, artificial lakes, environmental protection, mining, agriculture, etc. The company has the ability to undertake various difficult anti-seepage projects. Advanced construction welding equipment, strong technical force, and rich construction experience. Sentai, with sustainable development capabilities, adheres to the business philosophy of "winning customers with quality, expanding the market with reputation, and developing enterprises with technology", pursuing a win-win situation with customers, employees, and society, and wholeheartedly providing high-quality products and first-class services to the vast number of users!
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