LBT020 Geotextile Permeability Tester
The geotextile permeability tester is used to evaluate the vertical hydraulic conductivity and water permeability of geotextiles and composite materials under unloaded conditions, at a constant head, and in accordance with laminar flow criteria.
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Description
Product Introduction:
The geotextile permeability tester is used to evaluate the vertical hydraulic conductivity and permeability of geotextiles and composite materials under unloaded conditions, at a constant head, and in accordance with laminar flow criteria.
Meets the standard:
GB/T 15789 C Method
Technical specifications:
| Project | Parameter |
| Maximum hydraulic head difference | 250mmH2O |
| Gripper inner diameter | 50±0.5mm |
| Applicable specimen thickness | 20mm |
| Time Controller | 0–99.9 seconds, arbitrarily set; time control accuracy: 0.1 s |
| Graduated cylinder | 1000 mL (measurement accuracy: 10 mL) |
| Water level indicator | Graduation value: 1 mm |
| Thermometer range | 0–70°C (accuracy 0.1°C) electronic temperature sensor |
| Power supply | AC 220V±10% 50Hz |
| External dimensions | 400×500×850 (mm) |
List of Material Testing Equipment
| Test Item | Model Name | Device Name |
| Single-strand rope strength | Model LBT6106 | Electronic Engineering Fiber Strength Tester (Pneumatic) |
| Bursting strength | Model LBT0320 | Geotextile burst strength tester |
| Geotextile hydraulic stretching | - | Geotextile Hydraulic Tensile Testing Fixture |
| Geotextile pneumatic stretching | - | Geotextile Pneumatic Tensile Testing Fixture |
| Geotextile Dynamic Puncture and Cone Penetration Tests | Model LBT040 | Geotextile Dynamic Perforation Tester |
| Direct Shear and Pull-Out Tests of Geosynthetic Materials | LBT1200-II model | Geosynthetic Direct Shear–Pullout Friction Tester (Mesh Type) |
| Creep Shear of Geomaterials | Model LBT1200A | High- and Low-Temperature Geotechnical Material Creep Shear Testing Machine (Servo‑Driven, Research‑Customized Model) |
| Geotextile tensile rupture | Model LBT010-5000 | Electronic Geotextile Tensile Testing Machine (50 kN) |
| Geotextile vertical permeability | LBT0200B Model (Automatic Positioning Type) | Geosynthetic Vertical Permeability Tester (Highway, National Standard Method A) |
| Geotextile vertical permeability | LBT0200C-II Model (Fully Automatic) | Fully Automatic Geosynthetic Vertical Permeability Tester (Highway, National Standard Method A) |
| Geotextile vertical permeability | Type LBT0200S | Geosynthetic Vertical Permeameter (Hydraulic Engineering, National Standard Method B) |
| Deaeration Water Treatment Unit | Model LBT-508 | Programmable Degassing Constant-Temperature Water Processor (50 L) |
| Gradient-to-permeability ratio (auto‑positioning type) | Type LBT0128 | Geosynthetic Clogging Tester (Gradient Ratio Permeameter) |
| Effective aperture of geotextile | Type LBT030 | Geotextile Effective Aperture Tester (Wet Sieving Method) |
| Effective aperture of geotextile | Type LBT030G | Geotextile Effective Aperture Tester (Dry Sieving Method) |
| Hydrostatic pressure measurement | LBT080-II model | Geosynthetic Hydrostatic Pressure Tester (3-Station) |
| Hydrostatic pressure measurement | Model LBT080B | Geomembrane Hydrostatic Pressure Tester (Hydraulic Engineering) |
| Geomembrane permeability | Model LBT080C | Geomembrane Permeability Tester (Hydraulic Engineering) |
| Horizontal Permeability of Geosynthetic Materials | Type LBT070 | Geosynthetic Horizontal Permeameter |
| In-plane water flow rate of geotechnical materials | Model LBT070B | Fully Automatic In-Plane Water Flow Rate Tester for Geotechnical Materials (Horizontal Type) (GB/T 17633-2019) |
| Drainage board water permeability | Model LBT090B | Fully automatic drainage board water permeability tester (horizontal type, with automatic positioning and pneumatic sample clamping) |
| Soil permeability of lawns | Model LBT090A | Artificial Turf Water Permeability Meter |
| Permeability coefficient of bentonite waterproofing blanket | Model LBT1208 | Bentonite Waterproofing Blanket Permeability Tester (Bentonite Mat Permeameter) |
| Bentonite waterproofing blanket with resistance to hydrostatic pressure | Model LBT1209 | Bentonite Waterproofing Blanket Hydrostatic Pressure Tester |
| Geotextile abrasion | LBT0508 model | Geotextile Abrasion Tester (Variable Speed) |
| Geotextile thickness gauge | LBT060-II model | Electronic Geotextile Thickness Gauge (GB/T 13761.1-2022) |
| Thickness measurement of multi-layer geotextiles | Type LBT060G | Multilayer geotextile thickness measurement device |
| Geomembrane thickness | Type LBT060M | Geomembrane Thickness Gauge (Textured / Smooth Surface) |
| Waterproof materials are impermeable. | LBT1203B model | Waterproof Material Impermeability Tester (Method B) |
| Low-temperature bending of waterproof materials | LBT1204A model | Fully Automatic Low-Temperature Flexibility Tester for Waterproof Materials |
| Low-temperature flexibility of waterproofing materials | Type LBT1231-8 | Fully Automatic Low-Temperature Flexibility Tester for Waterproof Materials |
| Static load resistance of waterproofing materials | Model LBT1205 | Waterproof Material Static Load Testing Apparatus |
| Wear-resistant waterproof material | Type LBT141C | Abrasion Tester for Waterproof Materials |
| Heat resistance of waterproof materials | Model LBT1402 | Waterproof Material Heat Resistance Tester |
| Low-Temperature Brittleness of Vulcanized Rubber | Model LBT7040 | Vulcanized Rubber Brittleness Temperature Tester |
| Fluorescent UV Aging | Model LBT1201 | UV Aging Test Chamber |
| Geosynthetic materials under constant temperature and humidity conditions | LBT (R) Model 751D-III | Geosynthetic Material Constant-Temperature and Constant-Humidity Chamber (150 L) |
| Acid and Alkali Resistance Test | Model LBT3104 | Geosynthetic Material Acid–Alkali Resistance Tester |
| Geocell environmental stress cracking | Model LBT3700 | Plastic Geocell Environmental Stress Cracking Testing Machine |
| Carbon black dispersibility | Model LBT3505 | Carbon Black Dispersion Tester |
| Oxidation Induction Period of Geocell | Model LBT3600 | Geocell Oxidation Induction Period Analyzer |
| Sample preparation of geosynthetic materials | Model LBT680 | Fully Automatic Intelligent Sample Cutter for Geosynthetic Materials |
| Impact resistance of anti-glare panels | Model LBT1269 | Anti-glare panel impact resistance test apparatus |
| Clamping performance of rubber sealing strips | Type LBT0106 | Bridge Expansion Joint Rubber Seal Strip Clamping Performance Test Apparatus |
| Assembly of the water basin, waterproof performance | Model LBT328 | Bridge Rubber Seal Strip Compression Performance Testing Apparatus |
| Deformation performance, horizontal beam resistance, assembly tolerances, waterproof performance | Model LBT310 | Microcomputer-Controlled Comprehensive Test Bench for the Mechanical Performance of Bridge Expansion Joints |
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FAQs
We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects
We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally
It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.
Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.
This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.
Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.
Customer Reviews
European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester
From Thomas Bennett, Quality Director, UK plastic pipe factory
2026.06.05
★★★★★
“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”
Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment
From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute
2026.06.05
★★★★★
“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”
Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine
From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise
2026.06.05
★★★★★
“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”
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Mobile:+86-15102211717
Whatsapp:+86-15102211717
E-mail:lbt@lbt.ltd
Address:Tianjin Jinghai Economic Development Zone