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NJ-160 Cement Paste Mixer

The instrument mixes cement and water according to standard procedures to produce a uniform test slurry, enabling the measurement of cement’s standard consistency, setting time, and the preparation of stable test specimens.

Category:

Cement Mortar Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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Description

Product Introduction

The instrument mixes cement and water according to standard procedures to produce a uniform test slurry, enabling the determination of cement’s standard consistency, setting time, and the preparation of stable test specimens. It is an essential piece of equipment for cement plants, construction and engineering firms, as well as for cement laboratories in relevant academic institutions and research organizations. The mixer is one of the specialized devices specified in GB 1346‑89. Developed in accordance with the key technical parameters outlined in GB 3350.8, it is a new type of dual-speed, dual‑speed slurry‑mixing machine. Following standard protocols, it blends cement and water to form a homogeneous test slurry and determines the cement’s standard properties. It is indispensable equipment for cement production facilities, construction entities, and laboratories at pertinent universities and research institutes. The apparatus comprises a dual‑speed motor, gearbox, spindle, eccentric support, mixing blades, mixing bowl, base, upright column, bracket, outer cover, and program controller, among other components.

Technical Specifications

1. During operation, the agitator blades rotate about their own axis while simultaneously revolving around the perimeter of the vessel; the rotational direction is clockwise, and the orbital direction is counterclockwise.
2. Stirring blade speed and duration:

Stirring blade speed setting	Rotational speed (r/min)	Revolution (r/min)	Automatic control program duration (s)
Slow	140±5	62±5	120± 3
Stop			15±1
Fast	285±10	125±10	120± 3

3. Stirring blade width: 111 mm
4. Thread specification for the connection between the agitator blade and the blade shaft: M16×1
5. Mixing pot inner diameter × maximum depth: 160 × 139 (mm)
6. Stirring pot wall thickness: 1 mm
7. Working clearance between the stirring blade and the mixing pot: 2 ± 1 mm
8. Voltage: 3-phase, 3-wire, 380 V / 50 Hz; the fractional-horsepower dual-speed motor has a power rating of 0.55/0.37 kW, with 8/4 poles.
9. External dimensions: 472 × 280 × 466 (mm)
10. Net weight: 45 kg

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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

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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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Keywords:

NJ-160 Cement Paste Mixer

NJ-160H Cement Paste Mixer

NLD-3 Cement Mortar Flowability

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