What are the main impurity limits?

Impurities like Al2O3, TiO2, and Fe2O3 are strictly controlled with maximum limits of 400, 200, and 30 mg/kg respectively.

How is the product packaged and shipped?

Loading capacity is 17.5 tons per 40HQ container, shipped from Qingdao, Shanghai, or Ningbo ports.

Is the product available in different surface treatments?

Yes, it is divided into hydrophilic type and hydrophobic type according to surface treatments.

Factory Direct Fine Powder Silicon Dioxide Sio2 for Coating Additive

Name: Factory Direct Fine Powder Silicon Dioxide Sio2 for Coating Additive
Brand: Yantai Wenxu Industrial Co., Ltd.
SKU: 2084196045

Shandong, ChinaYantai Wenxu Industrial Co., Ltd.

US$500.00-1,500.00

10 Tons

Sample price:US$100.00/kg.Request sample

Product profile

Customization

Available

CAS No.

7631-86-9

Formula

Sio2

Model NO.

sio2

EINECS

231-545-4

Classification

Silicon Dioxide

Grade Standard

Industrial Grade

Kind

Acidic Oxide

Quality

First Class

Other Name

White Carbon Black

Loading Capacity

17.5tons/40hq

Appearance

White Granular or Powder

Application

Coating, Silicon Rubber

Transport Package

Kraft Paper Bag

Specification

10/20KG or customized

Trademark

Origin

Shandong, China

Production Capacity

20000 Tons/Year

Key features

High Purity SiO2 Content: SiO2 content is >=99.8% across all models WX-150 to WX-380.

Wide Industrial Applications: Used in rubber, plastics, coatings, cosmetics, medicine, and environmental protection.

Superfine Particle Size: Native particle size ranges from 5nm to 40nm for superior performance.

Multiple Functional Properties: Offers thixotropy, reinforcing, thickening, and filling capabilities.

Hydrophilic and Hydrophobic Types: Available in two types based on different surface treatments.

Consistent Quality Standards: First Class quality with strict control on Al2O3, TiO2, and Fe2O3 impurities.

Reliable Supply Chain: Regular supply and prompt delivery within 15 workdays for all seasons.

Global Export Experience: Exported to 57 countries in Europe, Australia, America, and South Africa since 2015.

Company profile

Yantai Wenxu Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤6.26hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT

AI-Powered supplier vetting

SummaryYantai Wenxu is identified as a China-based manufacturer/factory established in 2003, with chemical production, research and development, and sales integrated within the business. Its stated product portfolio includes aluminum sulfate, alum, polyaluminium chloride, calcium hydroxide, water-treatment chemicals, and related products. Evidence indicates substantial production capacity, including stated annual output of 150,000 tons overall, 30,000 tons for aluminum sulfate-series products, and 20,000 tons each for polyaluminium chloride and calcium hydroxide. The supplier reports multiple ISO-related certifications, GMP, and environmental-management credentials, as well as relevant production and hygiene-license approvals. It has exported since 2015 and reports that exports account for 51%–70% of sales. Innovation and sustainability activities are described, but evidence for after-sales service, customization, financial credibility, and specific customer cases is insufficient.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and is described as an integrated chemical enterprise covering production, research and development, and sales. Its stated founding year is 2003, supporting an established operating history.

CertificationsThe supplier reports ISO 9000, ISO 14001, ISO 9001, ISO 14000, GMP, and ISO 14064 certifications, plus ISO 9000:2008 quality-management certification, a national industrial product production license, and a Shandong drinking-water sanitation safety product hygiene approval. These are explicit indicators of quality, environmental, manufacturing, and product-compliance systems.

R&D capabilityThe supplier describes technology development, innovative solutions, research and development integration, green-chemistry efforts, and sustainability-oriented environmental and safety management. It also reports 11–20 years of total R&D-engineer experience, providing explicit support for innovation capability, although no quantified R&D investment or independently verified innovation results are provided.

Production capacityThe supplier offers a broad chemical product range and reports annual output of 150,000 tons overall, including 30,000 tons for aluminum sulfate-series products and 20,000 tons each for polyaluminium chloride and calcium hydroxide. It also reports 6–10 quality-control staff and factory facilities in Yantai, supporting substantial production and quality-control capacity.