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85% Grade Densified Microsilica Fume for Concrete Admixture
US$100.00
500 Tons

Product profile

Customization

Available

Feature

Long Time Materials

Refractoriness (℃)

Silica Fume

Model NO.

85%

Shape

Powder

Type

Refractory Material

Castable

Silica Fume

Material

Castable

Transport Package

Jumbo Bag

Specification

sio2: 95% min

Trademark

MRG

Origin

China

HS Code

28112290

Production Capacity

90000tons

Key features

High Purity Silica Fume: SiO2 content ranges from 75% to 98% with neutral pH for superior performance.
Ultra-Fine Particle Size: Average particle size is 0.1 to 0.3 microns with a specific surface area of 20-28 m2/g.
Enhanced Concrete Strength: Adding 5-10% increases compressive strength by 10-30% and flexural strength by over 10%.
Superior Durability: Improves impermeability by 5-18 times and chemical resistance by more than 4 times.
Excellent Frost Resistance: Withstands 300-500 freeze-thaw cycles with minimal modulus reduction compared to ordinary concrete.
Versatile Industrial Use: Suitable for concrete, refractories, elastomers, fertilizers, and oil & gas well operations.
Amorphous Spherical Structure: Features smooth, spherical particles that act as lubricants in micro-spheroid formations.

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 is the chemical composition of the silica fume?
A:
It contains 75-98% SiO2, with low levels of Al2O3, Fe2O3, MgO, CaO, and Na2O, and has a neutral pH.
Q:How does silica fume improve concrete strength?
A:
Adding 5-10% increases 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, and the specific surface area is 20-28 m2/g.
Q:Is it suitable for refractory applications?
A:
Yes, it improves the strength and high-temperature performance of amorphous and shaped refractory products.
Q:What are the lead times for delivery?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.

Send Inquiry

*To:Gansu Mingruige Trading Co., Ltd.Gansu Mingruige Trading Co., Ltd.
*Content:
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