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Product profile
Customization
AvailableType
Silicate Cement / Portland CementStrength Grade(Mpa)
Silica FumeMineral Composition
Portland CementHardening Feature
Rapid HardeningFunction
Common CementHeat of Hydration
Moderate HeatFineness
0~10umTechnique
Dry ProcessColor
GreySilica Fume
92%Transport Package
Jumbo BagSpecification
sio2: 92% minTrademark
MRGOrigin
ChinaHS Code
28112290Production Capacity
90000tonsKey features
Ultrafine Particle Size: Average particle diameter of 150 nm, approximately 100 times smaller than cement particles.
High Silica Content: Contains 92% silica, serving as an effective pozzolanic material for concrete.
Enhanced Concrete Strength: Significantly improves compressive strength, bond strength, and abrasion resistance.
Corrosion Protection: Reduces chloride ion permeability, protecting steel reinforcement from corrosion.
Oil & Gas Applications: Used for well bore grouting, leak repairs, and sealing depleted zones.
Standard Compliance: Meets ASTM C1240 and EN 13263 specifications for cementitious mixtures.
Reduced Bleeding: Minimizes segregation and bleeding by consuming free water in the mix.
High Specific Surface: Specific surface area ranges from 15,000 to 30,000 m2/kg for superior reactivity.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-04-22Nearest Port: Qingdao, TianJinAverage Response Time: ≤18hTerms 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:How does silica fume improve concrete properties?
A:
It enhances compressive strength, bond strength, and abrasion resistance through mechanical filling and pozzolanic reactions.
Q:Is silica fume suitable for oil and gas operations?
A:
Yes, it is used for primary grouting in well bores and secondary remedial operations like leak repairs and sealing depleted zones.
Q:What standards does silica fume meet?
A:
Standard specifications include ASTM C1240 and EN 13263 for silica fume used in cementitious mixtures.
Q:How does silica fume affect bleeding in concrete?
A:
It significantly reduces bleeding by consuming free water to wet its large surface area and blocking pores in fresh concrete.
Q:What is the bulk density range of silica fume?
A:
The bulk density varies from 130 kg/m3 (undensified) to 600 kg/m3 depending on the degree of densification.
Send Inquiry
*To:
Gansu Mingruige Trading Co., Ltd.
Gansu Mingruige Trading Co., Ltd.*Content:
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