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LBT-1B49 Compacted Dense-Graded Asphalt Concrete Pressure Permeability Test (Three Specimens)

The determination of the permeability coefficient and impermeability of asphalt concrete shall comply with the pressurized permeability test requirements specified in DL/T 5362-2018 (page 141, clause 7.18).

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Asphalt Mixture Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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LBT-1B49 Compacted Dense-Graded Asphalt Concrete Pressure Permeability Test (Three Specimens)

Description

Product Introduction:

The determination of the permeability coefficient and impermeability of asphalt concrete complies with the pressurized permeability test requirements specified in DL/T 5362-2018 (page 141, clause 7.18). This method is applicable to core-wall asphalt concrete and panel‑type impermeable layer asphalt concrete.

Product Structure:

The apparatus is equipped with a sample container mounted on a base; a sealing O-ring is positioned inside the base, and the sample container is installed above it. A sealing O-ring is also fitted atop the sample container. On the right side, there are three water‑taking ports. After opening the switch and placing a graduated cylinder beneath, once installation is complete, simply set the desired pressure to initiate the test automatically. Water is collected in three graduated cylinders; after power is applied, the pressure is maintained, and the water tank can be replenished at any time.

Technical Specifications:

Parameter item	Specific content
Pressure accuracy	0.5%
Test pressure	0–2 MPa, settable
Specimen dimensions	Diameter 100 ± 3 mm, height 63.5 ± 1.3 mm
Number of specimens	3
Controllable water temperature	Room temperature~~50 degrees
Power supply voltage	220V 50HZ
External dimensions	7007501200mm

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

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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-1B49 Compacted Dense-Graded Asphalt Concrete Pressure Permeability Test (Three Specimens)

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