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Black Color Silica Fume Densified 92D for Castable Refractory
US$90.00
500 Tons
Product profile
Customization
AvailableChemical Composition
Sio2Color
GrayModel NO.
92DCuring Temperature
Normal TemperatureFunction
Increase Concrete Strength, No Cracks, Good DisperType
DensifiedMoisture
0.59%Active Index (7 Days)
108%Loi
3.54F-Cao
<0.15pH
7.68Transport Package
500-600kgs/Jumbo BagSpecification
350-420kgs/m3Trademark
MRGOrigin
ChinaHS Code
2811220000Production Capacity
300000/YearKey features
High Purity Options: Available in 80D, 85D, 90D, and 92D grades with SiO2 content up to 92% min.
Enhanced Concrete Strength: Increases compressive strength and durability while preventing cracks in concrete.
Low Permeability: Provides excellent resistance against chlorides, acids, nitrates, and sulfates.
Versatile Applications: Ideal for cementitious repair, oil well grouting, roofing, wallboards, and insulation.
High Surface Activity: Specific surface area of 15000-20000 m2/kg with amorphous SiO2 structure.
Flexible Packaging: Supplied in 1000kg jumbo bags for efficient handling and storage.
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 are the available grades of silica fume?
A:
We supply 80D, 85D, 90D, and 92D densified grades, as well as 85U, 90U, and 92U undensified grades, with SiO2 content ranging from 80% to 92% min.
Q:What is the main function of this product?
A:
It primarily increases concrete strength, prevents cracks, and offers good dispersion. It also reduces permeability and enhances resistance to chemical attacks.
Q:What are the typical applications?
A:
Common uses include cementitious repair products (mortars & grouts), oil well grouting, concrete tiles, roofing, wallboards, panels, and thermal insulation materials.
Q:What is the average particle size?
A:
The average granule diameter is between 0.15 and 0.20 micrometers (um).
Q:What are the standard packaging terms?
A:
The product is packed in 1000kg jumbo bags.
Send Inquiry
*To:
Gansu Mingruige Trading Co., Ltd.
Gansu Mingruige Trading Co., Ltd.*Content:
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