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92D Microsilica Silica Fume for Mortar SGS Test 85D Microsilica
US$90.00
500 Tons
Product profile
Customization
AvailableType
Portland Pozzolana CementStrength Grade(Mpa)
62.5RModel NO.
MicrosilicaMineral Composition
Silica FumeHardening Feature
Rapid HardeningFunction
Special CementHeat of Hydration
Moderate HeatFineness
0~10umTechnique
Dry ProcessColor
GreySilica Fume
92Sio2
92Density
320-700kg/M3Transport Package
Jumbo BagSpecification
sio2: 92% minTrademark
MRGOrigin
ChinaHS Code
28112290Production Capacity
90000tonsKey features
High Purity SiO2: Silica Fume with SiO2 content ranging from 75% to 98% for superior performance.
Ultra-Fine Particle Size: Average particle size of 0.1-0.3 microns with specific surface area of 20-28 m2/g.
Significant Strength Increase: Adding 5-10% increases concrete compressive strength by 10-30% and flexural strength by over 10%.
Enhanced Durability: Increases impermeability by 5-18 times and chemical resistance by more than 4 times.
Superior Frost Resistance: Maintains stability after 300-500 freeze-thaw cycles, far exceeding ordinary concrete.
Versatile Applications: Used in refractories, concrete, elastomers, fertilizers, oil & gas, and shotcrete.
Amorphous Structure: Amorphous spherical particles with smooth surface and high surface area.
Improved Workability: Reduces rebound in shotcrete and improves bonding strength and productivity.
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:What is the SiO2 content of the silica fume?
A:
The SiO2 content ranges from 75% to 98%, with an average value ensuring high purity.
Q:How does silica fume affect concrete strength?
A:
Adding 5-10% silica fume can increase compressive strength by 10-30% and flexural strength by more than 10%.
Q:What is the particle size and surface area?
A:
The average particle size is 0.1-0.3 microns, with a specific surface area of 20-28 m2/g.
Q:What are the main applications of microsilica?
A:
It is used in refractories, concrete, elastomers/polymers, fertilizers, oil & gas well grouting, and shotcrete.
Q:How does silica fume improve frost resistance?
A:
It maintains relative elastic modulus after 300-500 freeze-thaw cycles, significantly better than ordinary concrete.
Send Inquiry
*To:
Gansu Mingruige Trading Co., Ltd.
Gansu Mingruige Trading Co., Ltd.*Content:
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