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High Purity Precipitated Silica for Rubber Industry
US$1.37-1.86
25 kg
Product specifications
color
Sample price:US$0.10/kg.Request sample
Product profile
Customization
AvailableCAS No.
112945-52-5Formula
Sio2Model NO.
Precipitated SilicaEINECS
231-545-4Classification
Silicon DioxideGrade Standard
Industrial GradeKind
Acidic OxideQuality
First ClassTransport Package
10kgSpecification
10kg/bagTrademark
NEWSANDAOrigin
ChinaHS Code
2811229000Production Capacity
2000tons Per YearKey features
As a core reinforcing filler in the rubber industry, significantly improves tensile strength, tear strength, and wear resistance of silicone rubber, tires, and other products. Can reduce rolling resis
Through precise control of particle morphology and dispersion characteristics, silica particles can be uniformly distributed in silicone rubber matrix in an extremely fine state, reducing light scatte
Moderate specific surface area and low porosity reduce moisture adsorption channels, providing excellent anti-moisture absorption performance. Maintains loose flowability during storage without caking
Chemically stable (SiO2.nH2O), heat-resistant, non-flammable, non-toxic, odorless, with good electrical insulation. Insoluble in water and most acids, soluble in hydrofluoric acid.
Compared to fumed silica, precipitated silica offers readily available raw materials, simpler production process, lower energy consumption, lower investment, and significant price advantages. Can part
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-03Nearest Port: QINGDAO, TIANJINAverage Response Time: ≤5.90hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA
AI-Powered supplier vetting
SummaryQingdao New Sanda Industry Co., Ltd. is identified as both a trading company and manufacturer/factory in China, focused on chemicals and construction-related products. The supplier reports ISO-series management certifications, two production lines, 21–30 quality-control staff, and peak- and off-peak order fulfillment within 15 working days. Its stated capabilities include R&D, customized formulations, formulation optimization, application testing, troubleshooting, multilingual documentation, and after-sales support. The supplier reports extensive export coverage and began exporting in 2015, but the available trade evidence shows only one recorded transaction and one associated buyer. Financial credibility cannot be assessed because financial data is excluded from evaluation.
Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated business focuses on chemical products and industrial additives, including Titanium Dioxide, HPMC, VAE, HEC, CMC, and related materials.
CertificationsThe supplier lists ISO 9000, ISO 14001, ISO 9001, ISO 14000, and ISO 20000 certifications. These stated certifications provide explicit evidence of certified management-system coverage, although the slices do not provide certificate numbers, validity dates, or scope details.
After-Sales capabilityThe supplier states that it provides after-sales service, multilingual documentation, formulation optimization, application testing, and troubleshooting. These are explicit service offerings supporting customers after product delivery.
R&D capabilityThe supplier describes a dedicated R&D team, technical innovation, market-responsive product development, and feedback integration from global partners. It also reports total R&D engineer experience of 11–20 years, supporting an established innovation function.
Production capacityThe supplier presents itself as a chemical manufacturer and reports two production lines, 21–30 quality-control staff, and fulfillment within 15 working days in both peak and off-peak periods. Its product portfolio and end-to-end commercial supply description support production capability, although total output details are not evaluated here.
Customization capabilityThe supplier explicitly offers customized formulations for specific application challenges and provides formulation optimization, application testing, and troubleshooting. Its process includes sample testing through full-scale commercial supply, indicating support for tailored industrial additive solutions.
Product Q&A
Q:What is the core difference between Precipitated Silica and Fumed Silica?
A:
The fundamental difference lies in production process and product morphology. Precipitated silica is produced by liquid-phase precipitation reaction using sodium silicate and sulfuric acid as raw materials, with coarser particle size (micron level), relatively lower specific surface area, purity of 93%-98%, and affordable price. Fumed silica is produced by high-temperature hydrolysis using as raw material, with primary particle size of only 7-40nm (nanoscale), specific surf
Q:What is the main role of Precipitated Silica in coatings?
A:
In coating systems, precipitated silica mainly serves as a matting agent, anti-settling agent, and thickener. It creates microscopic roughness on the coating surface to reduce gloss and achieve matte effects. It also prevents settling of pigments and fillers, improving storage stability, and provides moderate thickening to improve application performance and prevent sagging during thick coating.
Q:Why is Precipitated Silica added to toothpaste?
A:
Precipitated silica plays a dual role as an abrasive and thickener in toothpaste. As an abrasive, its moderate hardness effectively removes plaque and stains without damaging tooth enamel. As a thickener, it provides appropriate viscosity and morphology to the paste, preventing separation or water release during storage.
Q:What are the uses of Precipitated Silica in the food industries?
A:
In the food industry, it is mainly used as an anti-caking agent (e.g., preventing caking of milk powder, seasoning powders) and as a carrier (for adsorption and solidification of liquid flavors and vitamins). it is used as a tablet glidant to improve powder flowability and ensure uniform tablet weight, as well as a drug carrier and moisture barrier.
Q:How to choose products with different specific surface areas?
A:
pecific surface area (BET) is a key parameter for precipitated silica. High BET (e.g., >= 300 m2/g) products offer stronger reinforcement and thickening, suitable for high-performance rubber and toothpaste abrasive systems. Medium BET (e.g., 150-250 m2/g) products provide balanced performance, suitable for general rubber, coating matting, and feed carriers. Low BET (e.g., 50-100 m2/g) products offer good flowability, suitable for anti-caking and flowability improvement applications. Selection sh
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