MJ-3B
- Reference dosage: 0.05%
- Appearance: brown liquid
- Density: 1.05–1.13 t/m³
- Total alkali: below 2‰
Cement and slag grinding solutions
Grinding-aid grades backed by transparent engineering tools
Huahai Feifei supplies liquid grinding-aid grades for cement and slag systems. Plan dosage, energy, ROI, cost and emissions with visible formulas before requesting a current specification and controlled mill trial.
Catalogue products
MJ-series grinding-aid grades
Published values are catalogue references and starting points for technical discussion—not guaranteed plant results.
MJ-3E
- Reference dosage: 0.03%
- For P.O 42.5 / P.O 52.5 cement
- Appearance: brown liquid
- Density: 1.08–1.15 t/m³
MJ-3F
- Reference dosage: 0.10%
- For P.S 32.5 / P.C 32.5 cement
- Appearance: brown liquid
- Density: 1.03–1.13 t/m³
Confirm the current product specification, pump calibration and compatibility with your clinker, additions and mill system.
Need a chloride-free option? Review the chloride-free grinding-aid selection page →
Free engineering tools
Turn mill data into a trial plan
Six browser-based tools with visible formulas, assumptions and limitations. Inputs remain on your device.
Dosage
Grinding Aid Dosage Calculator
Hourly, daily and monthly chemical consumption.
EnergyEnergy Saving Calculator
Measured kWh and electricity-cost savings.
EconomicsROI & Payback Calculator
Aid cost, benefits, net ROI and simple payback.
EmissionsCO₂ Reduction Calculator
Location-based electricity emissions scenario.
CostProduction Cost Calculator
Grinding energy, chemical and production cost per tonne.
SelectionGrinding Aid Selector
Screen a catalogue family for controlled trials.
Selection inputs
Information needed before grade selection
- Cement system: OPC, composite cement or slag grinding.
- Mill system: ball mill or vertical roller mill, open or closed circuit.
- Baseline: stable output, kWh/t, Blaine, residue and strength.
- Target: throughput, energy, fineness or strength objective.
Company identity
Huahai Feifei (Hebei) Concrete Admixture Co., Ltd.
Registered address: No. 1 Building, Floors 1–3, Yibang Paint Company, West Side of Weiwu Street, High-tech Development Zone, Hengshui, Hebei, China 053000.
ISO 9001:2015Quality management
ISO 14001:2015Environmental management
ISO 45001:2018Occupational health & safety
Company management-system certifications, valid through 5 September 2027; they are not product certifications.
Discuss your cement and mill system
Send cement type, mill type, current output, kWh/t and target for technical review.
Email Tony: tony.buy@gmail.com