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LBT-1162 Geosynthetic Material Acid and Alkali Resistance Test Chamber (New Standard)

This instrument is used for testing the resistance of geosynthetic materials to acidic and alkaline solutions. Temperature control is achieved via a digital display and a digitally controlled PID automatic regulator, allowing the operating temperature to be set anywhere between room temperature and 80°C, with automatic maintenance of a constant temperature. The chamber features an inner liner made of 304 stainless steel, offering sensitive temperature regulation, uniform temperature distribution, and stable performance.

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Geosynthetic Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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LBT-1162 Geosynthetic Material Acid and Alkali Resistance Test Chamber (New Standard)

Description

Product Introduction:

This instrument is used for testing the resistance of geosynthetic materials to acidic and alkaline solutions. Temperature control is achieved via a digitally displayed, digitally controlled PID automatic regulator, allowing the operating temperature to be set anywhere between room temperature and 80°C, with automatic maintenance of a constant temperature. The chamber features an inner liner made of 304 stainless steel, ensuring sensitive temperature regulation, uniform heating, and stable performance. The unit is equipped with a stirring function, enabling continuous agitation of the solution during heating, thereby ensuring thorough mixing and more accurate test results. It complies with JTG 3460-2026 “Test Procedures for Geosynthetics in Highway Engineering,” SL 235 “Test Procedures for Geosynthetics,” ISO 12960:2020 “Geotextiles and Related Products—Screening Test Method for Resistance to Acidic and Alkaline Solutions,” the European standard EN 12226:2012 “Geosynthetics—General Test Methods for Assessing Durability,” the Australian standard AS 3706.12-2001 “Geotextiles—Test Methods—Method 12: Determination of Durability—Resistance to Hydrocarbons and Chemical Reagents,” as well as GB/T 17632-1998 “Test Methods for Resistance of Geotextiles and Related Products to Acidic and Alkaline Solutions.”

Product Features:

It employs a PD digital display temperature control system, ensuring the precision of the temperature-controlled chamber and maintaining a constant solution temperature within the container.

It employs a four-compartment acid–base design, enabling simultaneous acid–base experiments.

The experimental module features a specially designed material that is resistant to corrosion and to both acids and alkalis.

Technical Specifications:

Parameter Category	Parameter content
Display mode	Digital display with four screens
Temperature range	Room temperature to 80°C
Cycling mode	Internal circulation
Temperature control accuracy	0.1℃
Digital display resolution	0.1℃
Experiment module	Alkali tank, acid tank
Work compartment dimensions	380x220x300
Sample rack	Five specimens per aircraft.
Equipment dimensions	1200x600x780mm
Weight	Approximately 75 kg
Power supply	220V
Heating power	2000W (single compartment)

Instructions for Use

Prepare the solution according to the standard and transfer it into the human test chamber. Place the sample on the test rack, insert the rack into the chamber, and turn on the power; the instrument will display the temperature. Set the desired temperature as specified in the standard, then start heating. When the set point is reached, heating stops; if the temperature falls below the set point, heating resumes automatically. Activate the stirring switch to initiate circulation of the solution, and, as per the standard, engage the circulation switch.

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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

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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.

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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

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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LBT-1162 Geosynthetic Material Acid and Alkali Resistance Test Chamber (New Standard)

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