ZS-Cement Accelerator

ZS-Cement Accelerator

1. Product Introduction

What is ZS-Cement Accelerator?

ZS-Cement Accelerator is an admixture added to cement, mortar, and concrete. It accelerates the cement hydration reaction, significantly shortens setting time, speeds up early strength development, and allows the mixture to solidify and harden quickly. It is often used in projects requiring tight deadlines, operating at low temperatures, or for emergency repairs.

How Does It Work?

ZS-Cement Accelerator dissolves in mixing water and works synergistically in three ways:

Accelerating Hydration Reaction: It lowers the activation energy of cement particle hydration, accelerating the reaction rate of minerals such as tricalcium silicate and tricalcium aluminate with water, generating a large amount of hydration products in a short time.

Providing Crystal Nucleus Induction: Ions dissociated from the accelerator can act as hydration nuclei, promoting rapid precipitation and growth of hydration products and avoiding the slow nucleation process.

Accelerating Structural Formation: It rapidly generates substances such as ettringite and hydrated calcium silicate gel, causing crystals to quickly interlock and form a continuous rigid framework, significantly shortening initial and final setting times.

Why Choose ZS-Cement Accelerator from Shengchuan?

20 Years of Focused R&D: Built on Zhongsen Holding Group's deep expertise in cement additives.

43+ National Patents: Protected by extensive intellectual property in green cement additives.

Top University Partnerships: Ongoing industry-academia cooperation with Tsinghua University, University of Science and Technology Beijing, and University of Jinan.

National Standards Contributor: Participation in national key R&D projects and contribution to 6 national industry standards.

Proven in 20+ Markets: Validated in over 20 markets including China, Africa, Southeast Asia, Central Asia, and the Middle East.

2. Technical Indicators

Parameter	Specification	Remarks
Appearance	Brownish transparent	Uniform, free of precipitation
Density (20°C)	1.18 – 1.25 (g/cm³)	—
pH Value	8.50 – 9.50	—
Chloride Ion Content	≤ 0.1%	Safe for reinforced concrete
Alkali Content (Na₂Oeq)	≤ 1.0%	Low alkali risk
Recommended Dosage	1000g – 2000g/ton of cement	Optimized based on target setting time and conditions

3. Key Benefits

Performance Area	Expected Improvement
Initial Setting Time Reduction	Shortened by 40% – 80%
Final Setting Time Reduction	Shortened by 30% – 70%
Early Compressive Strength	1h/3h strength increases by 80% – 200%
1-Day Compressive Strength	Increases by 50% – 120%

4. Case Study

Shandong Cement Plant – PC32.5R Cement Trial

Parameter	Standard Requirement	Without Accelerator	With Accelerator
Initial Setting (min)	≤ 5	160	2
Final Setting (min)	≤ 12	300	6
1-Day Strength (MPa)	≥ 7.0	7.2	9.5
28-Day Strength (MPa)	—	54.5	52.3
28-Day Strength Ratio (%)	≥ 90	—	96

5. Frequently Asked Questions

Q: What types of cement is this product suitable for?

A: It is mainly compatible with ordinary Portland cement and Portland cement, and can be used in concrete and cement mortar, especially in shotcrete and repair mortar. For specialized types (such as oil well cement), contact our technical team.

Q: How is the optimal dosage determined?

A: Recommended dosage is 1000g – 2000g per ton of cement. Exact dosage depends on target setting time, temperature, and concrete requirements. Our technical team can assist with trials.

Q: How should the product be stored?

A: Store in sealed plastic or metal containers at -5℃ to 40℃. Shelf life: 3 months.

Q: What are the main components?

A: Main components are organic carboxylates, organic amines, polyols, and inorganic salt additives. It is brownish-transparent, odorless, non-irritating, and does not harm human health or concrete workability.

6. Application Scope

Application	Benefit
Low Temperature Winter Construction	Significantly shortens setting time; initial setting reduced by 40%-80%
Emergency Repair Projects	Rapid hardening for damaged roads, floors, and structures
Shotcrete Construction	Enhanced adhesion, reduced rebound and material drop

7. Usage Guidelines

Calibration: Install a dedicated metering pump and calibrate to target dosage. Addition point: clinker feed belt or mill inlet.

Application Point: Apply evenly onto the clinker feed before mill entry.

Monitoring: Track mill amperage, production rate, cement quality, and setting time.

Note: We provide methods for detecting and controlling the feed rate.

8. Related Products

ZS-Cement Retarder – For extending setting time.

ZS-High-Efficiency Enhanced Grinding Aid – For maximum clinker replacement.

ZS-Cement Enhancer – For further strength improvement.

ZS-Concrete Enhancer – For reducing cementitious material.

9. Call to Action

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�� +86 156 8886 0208 (WhatsApp)
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Shengchuan — A professional one-stop solution provider for cement/concrete.