What are the standard quality limits?

Standard limits include LOI 6% Max, Cl 0.3% Max, F-CaO 1% max, SO3 2% max, and Moisture 1.5% max.

How long is the lead time?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What payment terms are accepted?

We accept LC, T/T, and PayPal for international transactions.

90u for Castable Refractory

Name: Densified/Undensified Microsilica Silica Fume 90d/90u for Castable Refractory
Brand: Gansu Mingruige Trading Co., Ltd.
SKU: 2158774045

Gansu, ChinaGansu Mingruige Trading Co., Ltd.

US$90.00

500 Tons

Product profile

Customization

Available

Chemical Composition

Sio2

Color

Gray

Model NO.

90D/90U

Curing Temperature

Normal Temperature

Function

Increase Concrete Strength, No Cracks, Good Disper

Type

Densified

Moisture

0.59%

Active Index (7 Days)

108%

Loi

3.54

F-Cao

<0.15

pH

7.68

Transport Package

500-600kgs/Jumbo Bag

Specification

350-420kgs/m3

Trademark

MRG

Origin

China

HS Code

2811220000

Production Capacity

300000/Year

Key features

High Silica Content: Available in 80D, 85D, 90D, 92D grades with SiO2 ranging from 80% to 92% minimum.

Ultra-Fine Particle Size: Average granule diameter is 0.15~0.20um with specific surface area of 15000~20000m2/kg.

Enhanced Concrete Strength: Increases compressive strength and durability while preventing cracks in castable refractory.

Low Permeability: Reduces permeability and increases resistance against chlorides, acids, nitrates, and sulfates.

Versatile Applications: Suitable for cementitous repair, oil well grouting, concrete tiles, and thermal insulation.

Amorphous Structure: Consists primarily of amorphous silicon dioxide with extremely strong surface activity.

Flexible Grades: Offers both densified (D) and undensified (U) types including 85U, 90U, and 92U.

Standardized Quality: Meets strict specs for LOI, Cl, F-CaO, SO3, pH, and moisture content.

Company profile

Gansu Mingruige Trading Co., Ltd.

Gansu, China

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.