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LBT020 Geotextile Permeability Tester

Name: LBT020 Geotextile Permeability Tester
Brand: Laibote (Tianjin) Testing Machinery
Availability: InStock

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.

Category:

Geotechnical and Soil Testing Equipment

Keywords:

E-mail:

lbt@lbt.ltd

WhatsApp:

+86-15102211717

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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

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

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

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

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

Which materials can be measured by your Vicat softening point tester?

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.

Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

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.

What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

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.

What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

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

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.”

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.”

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.”

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