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Microsilica 85-95%D for Concrete Cement
US$90.00
500 Tons

Product profile

Customization

Available

Type

Silicate Cement / Portland Cement

Mineral Composition

Portland Cement

Model NO.

Microsilica

Hardening Feature

Rapid Hardening

Heat of Hydration

Moderate Heat

Fineness

0~10um

Technique

Dry Process

Color

Grey

Silica Fume

85%-92%

Size

Accept Custom

Sio2 Content

85%-95%

Al2O3 Content

0.3%Max

Cao Content

0.5%Max

Usage

Cement Concrete Refractory

Fe2o3 Content

0.1%Max

MGO Content

0.55%Max

P2o5 Content

0.5%Max

Appearance

Power Granular Silica Fume

Transport Package

Jumbo Bag

Specification

Customize

Trademark

MRG

Origin

China

HS Code

28112290

Production Capacity

90000tons

Key features

High Silica Content: Available in SF-95 (95% Min), SF-92, SF-90, and SF-85 grades with customizable SiO2 content.
Ultrafine Particle Size: Amorphous spherical particles with average diameter of 150nm and fineness of 0~10um.
Enhanced Concrete Strength: Significantly improves compressive strength, bond strength, and abrasion resistance of concrete.
Corrosion Protection: Reduces permeability to chloride ions, protecting reinforcing steel from corrosion in harsh environments.
Customizable Specifications: Accepts custom orders for Size, SiO2 Content (85%-95%), and other chemical compositions.
Oil & Gas Applications: Used for well bore grouting, leak repairs, and sealing depleted zones in oil and gas operations.
Standard Compliance: Meets ASTM C1240 and EN 13263 standard specifications for cementitious mixtures.
Reduced Bleeding: Significantly reduces segregation and bleeding by consuming free water and blocking pores.

Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-04-22Nearest Port: Qingdao, TianJinAverage Response Time: ≤24hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryGansu Mingruige Trading Co., Ltd. is identified as a Chinese trading company and manufacturer/factory operating in ferroalloys, coke, graphite, silicon-related products, and chemicals. The supplier reports ISO 9001 and GMP certifications, more than 10 production lines, 6–10 quality-control staff, and 41–50 years of R&D-engineer experience. It states annual output across several products, broad export-market coverage, self-operated import/export rights, and export sales representing 71%–90% of total sales. The supplier also describes organized purchasing, sales, quality-control, and finance departments, together with nationwide sales agencies and after-sales services. However, the provided information does not establish customer-specific cases, customization capabilities, or sufficient evidence to assess financial credibility. The stated production information is substantial, but the materials also identify the business as a trading company, so the precise allocation between owned manufacturing and trading...
Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory in one record, while another record identifies it as a trading company. It also reports a factory location in Tianzhu, Gansu, and operates more than 10 production lines, indicating manufacturing involvement, although the exact organizational scope of the factory is not fully clarified.
CertificationsThe supplier reports holding ISO 9001 and GMP certifications. These are explicit management-system certifications and provide positive evidence of formal quality and operational controls.
After-Sales capabilityThe supplier states that it has a sound plan for product after-sales service, an advanced sales-service concept, nationwide sales agencies, and a commitment to providing quality service. These statements support an after-sales capability, although no specific service procedures, response targets, or service records are provided.
Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and stated annual outputs of ferro silicon, semi coke, silica fume, rare ferro silicon magnesium, and natural graphite. It also reports delivery within 15 working days during off-peak periods and one month during peak periods, supporting a substantial stated production and fulfillment capability.

Product Q&A

Q:What are the available SiO2 content grades?
A:
We offer SF-95 (95% Min), SF-92 (92% Min), SF-90 (90% Min), and SF-85 (85% Min) grades. Custom SiO2 content between 85%-95% is also accepted.
Q:Is customization available for this product?
A:
Yes, we accept custom orders for Size, SiO2 Content (85%-95%), and other chemical compositions like Al2O3 and CaO content.
Q:What is the average particle size of the silica fume?
A:
The silica fume consists of amorphous spherical particles with an average particle diameter of 150 nm and a fineness of 0~10um.
Q:How does silica fume improve concrete durability?
A:
It reduces permeability to chloride ions, protecting reinforcing steel from corrosion, especially in coastal or deicing salt environments.
Q:What are the standard certifications for this product?
A:
Our silica fume meets standard specifications for cementitious mixtures, including ASTM C1240 and EN 13263.

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