Ultrafine cement

Applications include grouting in underground mining operations in complex geological settings, drilling and production well plugging for oil and gas wells, reinforcement and strengthening of hydraulic and hydroelectric dam structures, waterproofing and leak-stopping in subways and tunnels, repair and waterproofing of concrete cracks and delaminations in buildings, restoration of historic structures, seepage control in the surrounding rock of nuclear power plants, treatment of tailings and solid waste, preparation of ultra-high-strength concrete, and reinforcement of soft foundations, among other engineering applications.

Category:

Ultrafine cement

Keywords： Ultrafine cement

Helpline:

+86 18165358316

Email:

jinshipolkmn@gmail.com

Inquiry

1. Deep Penetration Capability

Accessible 1–10 μm Microfractures and silty clay formations, achieving deep, dense grouting

2. High-Strength Consolidation

3-day intensity ≥ 42MPa , with a maximum strength of 28 days 87MPa The above

3. Long-lasting durability

No aging issues, long-term stability, and prevention of secondary leakage.

4. Safe and Pollution-Free

Made of inorganic materials; non-toxic and pollution-free.

5. Construction-friendly

Compatible with various grouting equipment and maintains excellent performance even at high water-to-cement ratios.

Main Parameters

Parameters	Model
	K700 (800 mesh)		K1000 (1000 mesh)		K1300 (1340 mesh)		K2000 (2000 mesh)
	Requirements	Measured value	Requirements	Measured value	Requirements	Measured value	Requirements	Measured value
Particle size D50 (µm)	≤8	5.67	≤6	5.17	≤5	4.31	≤3	2.16
Particle size D90 (µm)	≤20	17.83	≤13	12.57	≤10	9.77	≤6.5	6.39
Initial setting time (min)	≥30	181	≥30	149	≥30	129	≥30	45
Final setting time (min)	≤600	233	≤600	211	≤600	195	≤600	89
3-day compressive strength, MPa	≥23	42.6	≥40	50.3	≥23	52.3	≥50	59.3
3-day flexural strength, MPa	≥4	7.1	≥5.5	7.2	≥4	7.7	≥6.0	8.3
28-day compressive strength, MPa	≥52.5	77.8	≥62.5	72.6	≥52.5	79.6	≥75	87.9
28-day flexural strength, MPa	≥7	9.5	≥8	8.9	≥7	9.6	≥9	10.2
Packaging Specifications	25 kg/bag or 1000 kg/bag						15 kg/bag or 500 kg/bag
Test Standards	The required data verification method is: Q/KJ 0001 or GB/T 35161.

Friendly reminder: This table is not the sole basis for compliance; the factory inspection data for each production batch shall prevail.

Application Fields

● Reinforcement and seepage-control engineering for mine shafts and roadway surrounding rock;

● Grouting and sealing works for groundwater control in underground mining operations;

● Foundation reinforcement and seepage-control works for reservoir dams, as well as seepage-prevention and leak-stopping treatments for bedrock fractures and fissures around the reservoir;

● Applications in geotechnical drilling, including borehole wall stabilization, leak plugging, and borehole sealing;

● Leak prevention and repair for oil wells and geothermal wells;

● Subway and tunnel surrounding rock reinforcement and water-stopping works;

● Foundation reinforcement and grouting remediation of defects such as cracks in structures including buildings, highways, and bridges;

● Concrete matrix for large-scale electromagnetic and neutron shielding.

None

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Application areas

Tunnel and Underground Engineering Field

Mining and extraction field

Oil and Gas Sector

Hydropower and water conservancy field

National defense and military industry

Inquiry

*Note: Please ensure that the information you provide is accurate and that your contact details remain up-to-date. We will get in touch with you as soon as possible.

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