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LBT3600 Carbon Black Dispersion Analyzer

Carbon black is an important additive in polyolefin plastic products. Adding a certain amount of carbon black to the formulation provides UV shielding and helps prevent aging. However, the efficiency of carbon black in absorbing ultraviolet radiation largely depends on its degree of dispersion; poor dispersion can compromise both the material’s aging resistance and its mechanical properties. The LBT‑1166 geosynthetic carbon black dispersion tester can measure the size, morphology, and distribution of carbon black agglomerates and particles, as well as the number of particles and agglomerates and the corresponding carbon black dispersion grade.

Category:

Geosynthetic Testing Equipment

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E-mail:

lbt@lbt.ltd

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+86-15102211717

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LBT3600 Carbon Black Dispersion Analyzer

Description

Product Introduction:

Carbon black is an important additive in polyolefin plastic products; adding a certain amount of carbon black to the product can provide UV shielding.

It helps prevent aging, while the efficiency of carbon black in absorbing ultraviolet radiation depends primarily on its degree of dispersion; if dispersion is poor,

This will affect the material’s aging resistance and mechanical properties. The LBT‑1166 geosynthetic carbon black dispersion tester can measure the size, morphology, and distribution of carbon black agglomerates and particles, as well as the number of particles and agglomerates and the carbon black dispersion grade. Our company’s carbon black dispersion analyzer employs an infinity‑corrected, plan‑achromatic, stress‑free objective lens, providing a wide, clear field of view. Its objective turret is compact, with precise and stable positioning, while the observation head can rotate freely through 360 degrees for comfortable and convenient operation. The curved arm features a C‑shaped design with crisp, striking lines; its coarse adjustment utilizes T‑type guide rails, ensuring smooth, comfortable movement and incorporating an upper limit stop. The base adopts a streamlined, large‑radius arc design that harmonizes beautifully with the curved arm, and houses internal lighting components and bulbs.

Technical Features

1. The transmitted‑reflected upright metallurgical microscope is suitable for microscopic observation of transparent specimens.

2. Equipped with a micrometer scale for convenient and efficient pixel‑size calibration.

3. Click on a particle image to display its morphological parameters.

4. The software supports segmenting selected carbon black particles, making it easy to separate two contiguous carbon black particles or agglomerates.

5. The software supports deleting selected carbon black particles.

7. It employs a USB 2.0 data interface, offering enhanced compatibility with microcomputers. The instrument is standalone and can be connected to any computer equipped with a USB port.

7. Supports exporting individual particle images.

8. The software is compatible with various operating systems, including Windows 10, Windows 11, and others.

9. The measurement results are output with rich data and stored in a database, allowing users to input arbitrary parameters—such as operator name, sample name, date, and time—for retrieval and analysis.

10. The instrument features an elegant design, with a compact size and lightweight construction.

11. High measurement accuracy, excellent repeatability, and short measurement time.

Meets the standard:

1. GB/T 18251-2019: Method for Determining Carbon Black Dispersion in Polyolefin Pipes, Fittings, and Compounds

2. GB/T 2951.41-2008 General test methods for insulating and sheathing materials of cables and optical cables.

3. ASTM D5596-94: Standard Test Method for Microscopic Analysis of Carbon Black Dispersion in Polyolefin Geosynthetic Materials.

4. ISO 11420:1996 — Method for the determination of carbon black dispersion in polyolefin pipes, fittings, and compounds.

5. GB/T 15065-94 Determination of Carbon Black Dispersion in Black Polyethylene Plastics for Wires and Cables.

6. GB/T 13663-2018 Polyethylene (PE) Pipe Systems for Water Supply — Standardization Implementation (Latest Edition)

7. GB/T 15558: Buried Polyethylene (PE) Pipeline Systems for Gas Applications

8. GB/T 18742: Polypropylene piping systems for hot and cold water

9. JTG 3460-2026 “Test Specifications for Geosynthetics in Highway Engineering”

10. ASTM D5596-03(2021), “Standard Test Method for Microscopic Evaluation of Carbon Black Dispersion in Polyolefin Geosynthetic Materials.”

11. GB/T 17643-2025 “Geosynthetics — Polyethylene Geomembranes”

Technical specifications:

Parameter Category	Parameter content
Camera configuration	5-megapixel high-definition microscope camera (connectable to a computer)
Detection range	1um-1cm
Sensitivity	4150 mV/lux•s
Lighting system	Both the top and bottom are equipped with 5W LED lights, powered by DC 12V at 2A, with adjustable brightness.
White balance	is
Auto exposure	is
Gain compensation	is
Objective magnification	40–1000 times
Eyepiece magnification	10 times x2
Objective lens for magnification	5x–20x
Optical system	Infinity Optical System
Specimen aperture	4mm
Image resolution	2592×1944 (5 megapixels), backward compatible with resolutions such as 2048×1536, 1920×1080, and 800×600.
Observation head	Hinged binocular head, 30° tilt, interpupillary distance 54–75 mm
Eyepiece	PL 10X/22 pair (one with scale), WF20X pair
Mobile platform	Double-layer platform, dimensions 140 mm × 120 mm, travel range 80 mm × 50 mm.
Dustproof rating	IP5X
Operating system	Dedicated “Carbon Black Dispersion Measurement System,” compatible with Windows 10 and Windows 11 operating systems.
Instrument operating power supply	220V/2A/50Hz

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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?

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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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LBT3600 Carbon Black Dispersion Analyzer

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