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Home > Inorganic Chemistry > Coating Materials > Silicon dioxide for Sale > Best Selling Silicon Dioxide For Powder Coating CAS No. 7631-86-9
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Best Selling Silicon Dioxide For Powder Coating CAS No. 7631-86-9

TDS 70 Inquiries

Unit Price:

$3.95-4.25/KG FOB

Get Latest Price
CAS No.:

7631-86-9

Grade:

Chemical Grade

Content:

99%

Port:

Nansha

Brand:

SKYSIL

Packaging:

4000 kgs/ pallet

Price valid (until):

2026-12-31

Company Type:
Manufactory
Location:
China
Qualification:
Main Products:

Silica Matting Agent,Anti Corrosive Pigments

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

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    What are the application effects of various indicators of silicon dioxide?

    Silicon dioxide is increasingly used as an additive. Catalyst carrier, petrochemical, decolorizer, matting agent, rubber

    reinforcing agent, plastic filler, ink thickener, metal soft abrasive, insulation filler, daily cosmetic filler and spraying material.

    Medicine. Environmental protection and other fields. It provides a new material basis and technical guarantee for the

    development of related industrial fields. So what are the application effects of various indicators of silicon dioxide?

    1. Specific surface area

    The size of the reinforcing effect of silicon dioxide mainly depends on its specific surface area. Generally, as the specific

    surface area increases, the strength index of rubber products increases, but the elasticity decreases, the tear strength

    decreases, the wear resistance is not good, the mixing and dispersion is difficult, the heat is high, the rubber Mooney viscosity

    is large, and it is easy to burn. Therefore, different formulas and different uses have different effects on the physical and

    mechanical properties of vulcanized rubber.

    2. Oil absorption value

    The oil absorption value reflects the structure, oil absorption value, structure, and the elongation strength of the vulcanized

    rubber is generally large, the tensile strength and hardness are large, especially the wear resistance is small, but the elongation

    is low.

    3.900℃ burning loss

    When there are too many surface hydroxyl groups, it is easy to cause the structuring of rubber composite materials and make

    the material brittle. Affecting the processing performance, the vulcanized rubber is easy to fall off, and the surface hydroxyl groups

    have a strong adsorption effect on the vulcanization accelerator, which prolongs the vulcanization time.

    4.105℃ heating loss

    When reflecting the amount of free water in the gap between particles, the rubber compound has a high degree of structuring

    and is difficult to refine. If the heating loss is zero, silica is useless and is generally controlled at around 6%.

    5. PH value

    Generally around 7, the PH value is lower as the value increases), and the vulcanization speed of the rubber compound is

    accelerated.

    6. Soluble salt

    The less the better, but the less, the higher the cost.


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    * Are you a factory or trading company?

    Yes,we are factory, but not only factory, we also have sales team, own designers, own showroom, can help buyers to decide which products are their suitable choice, and all your inquiry will be replyed within 24 hours.

    * Can I get some samples for testing?

    We are honored to provide samples, the shipping cost should be paid by customers at first. And it will be returned to you in our first time cooperation.

    * What's your Delivery Time?

    In generally, the delivery time is 5 days-15 days after receiving payment. For large quantity it will be checked with productiondept. We will make the delivery as soon as possible with the guaranted quality.

    ECHEMI Editorial Reference
    Diatomaceous earth is a transparent to gray, odorless amorphous powder. Amorphous silica, the noncrystalline form of SiO2, is a transparent to gray, odorless, amorphous powder white crystals or powder

    Certificates

    Basic Info
    Product Name:

    Silicon dioxide

    Other Name:

    SILICA GEL 60 PF254 FOR PREPARATIVE LAYE;LICHROSORB SI 100 (10 MYM) 10 G;TLC-SILICA GEL 60 GF254 MEAN PARTICLE SI;LICHROSORB SI 100 (10 MYM) 100 G;SEA SAND EXTRA PURE 5 KG;SILICA GEL 60 GF254 FOR THIN-LAYER CHROM;SILICA GEL 60 PF254 + 366 FOR PREPARATIV;SEA SAND EXTRA PURE 25 KG

    CAS No.:

    7631-86-9

    Molecular Formula:

    O2Si

    InChIKeys:

    VYPSYNLAJGMNEJ-UHFFFAOYSA-N

    Molecular Weight:

    60.08

    Exact Mass:

    60.08

    EC Number:

    231-545-4

    TSCA:

    TSCA listed

    Color/Form:

    White to yellow

    HScode:

    2811221000

    Categories:

    Coating Materials

    Characteristics
    PSA:

    34.14000

    Physical Properties:

    Colorless amorphous (i.e., fused silica) or crystalline (i.e., quartz) material having a low thermal expansion coefficient and excellent optical transmittance in far UV. Silica is insoluble in strong mineral acids and alkalis except HF, concentrated H3PO4, NH4HF2, concentrated alkali metal hydroxides. Owing to its good corrosion resistance to liquid metals such as Si, Ge, Sn, Pb, Ga, In, Tl, Rb, Bi, and Cd, it is used as crucible container for melting these metals, while silica is readily attacked in an inert atmosphere by molten metals such as Li, Na, K Mg, and Al. Quartz crystals are piezoelectric and pyroelectric. Maximum service temperature 1090°C.

    XLogP3:

    -0.61840

    Appearance:

    White to yellow suspension

    Density:

    2.2-2.6 g/mL at 25 °C

    Melting Point:

    >1600 °C(lit.)

    Boiling Point:

    >100 °C(lit.)

    Flash Point:

    2230°C

    Refractive Index:

    1.46

    Water Solubility:

    insoluble

    Storage Conditions:

    Refrigerator (+4°C)

    Vapor Pressure:

    13.3hPa at 1732℃

    Toxicity:

    LC inhalation in rat: > 200gm/m3/1H

    Flammability characteristics:

    Noncombustible Solid

    Explosive limit:

    Silica gel at -78 deg C adsorbs 4.5 wt % of ozone, and below this temperature the concentration increases rapidly. At below -112 deg C ozone liquefies and there is a potential explosion hazard at temperatures below -100 deg C if organic material is present.

    Odor:

    at 100.00%. odorless

    Taste:

    Tasteless

    PH:

    5-8 (100g/l, H2O, 20℃)(slurry)

    PKA:

    6.65-9.8[at 20 ℃]

    Critical Temperature & Pressure:

    2-8°C

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Silica Matting Agent,Anti Corrosive Pigments

    Location:

    Rm1831, Xiongfeng Plaza, No.38 Nanda Str.,

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A

    Average lead Time:

    10

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    11-50

    Year of Establishment:

    2017

    Certifications:

    Intellectual Property,Innovation Award,Energy saving hot blast stove,Bag filter dust proof ash device,SGS,High efficiency and energy saving bag dust collector,SGS SVHC,Heat preservation hot blast stove

    Quanxu Technology Lead by a management team with more than 20 years of experience in the chemical industry, came into establishment in 1995 to serve the domestic and international markets for specialty chemicals. The company has independently researched, developed and manufactured several series products including Silica Matting Agent,Matt Hardener, Anti Corrosive Pigments,Zinc Stearate and color inkjet photo paper coating etc.


    COMPANY MOTTO

    • Developing all range synthetic silica and it's derivatives

    • Adhere to excellence in products and services

    • Reliable to business partner

    • International acceptable quality products

    • Strategy: executing blue ocean strategy and go up to the next level.


    VISION

    • Quanxu Technology aim to become the leading raw material and technical solution provider to the chemical industry.


    MISSION

    • Provide contribution to both business and non-business environments:

    • People: Be a workplace where people can innovate and expand their knowledge through daily work activities.

    • Portfolio: Bringing the widest range of Synthetic Silica that China can offer.

    • World: Collaborate with stakeholders to focus on green manufacturing processes to lessen environmental impacts.


    Introduction


    Our reputation as a key national supplier is built upon the foundation of quality and integrity. The company has independently researched, developed and manufactured several series products including Silica Matting Agent, Matt Hardener, Fumed Silica, Zinc Stearate and Alumina.


    Our product development is guided by accurate market analysis. We have successively established R&D Centers of Matting Agent, Anti Corrosive Pigments, Zinc Stearate, Matt Hardener, and Alumina.Application Research centers were also created for mediums such as paints, ink, textiles, leathers and new energy materials. These Modern facilities form the very core of our development system and are staffed by a professional taskforce of technical personnel. Their contributions have yielded environmental-friendly products such as the low oil absorption UV matting agent, a compound that was specifically designed to minimize the VOC emission of paints. These Products are the building blocks of eco-friendly alternative engry solutions. Their ability to protect leather and prevent the corrosion of metals make them idea for floor coating, glass paint, and the making of woodenware.


    Quanxu Technology firmly believes that technological advancement is the precursor for market performance. We have established major distribution centers in one overseas location and 3 domestic regions.


    Product quality has always been at the very top of our priorities. Over the years, we have imported a number of advanced testing instuments enhanced quality control and inspection. Quanxu operates in strict adherence with all relevant safely standards. Our export products are approved by international recognized standards such as SGS and ROHS.


    More than a decade of groundwork has allowed us to penetrate overseas markets in regions including Europe, the Middle East, South America, Southease Asia, Africa, Etc. We have established a long-term cooperative partnerships with international chemical mega-corporations such as Valspar and AKZONOBEL.


    Through sustained growth and expansion, Quanxu Technology strives to become a world-leading supplier of chemical materials. With quality and integrity, we will create an enterprise that can withstand the test of time!!


  • Inquiry History
    70 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Silicon dioxide 

    30.00 KG Jun 13, 2025
    Kenya

    Silica Dioxide

    1 MT Oct 27, 2023
    United States

    Octadecyl Bonded Phase Filler

    100 KG Jun 15, 2024
    United States

    black diesel oil bleaching chemical

    100 TON Jun 13, 2024
    Belgium

    Silicon dioxide

    100.00 KG Jun 5, 2025
    Georgia

    Colloidal silicon dioxide

    50 KG Mar 25, 2024
    Bangladesh

    COLLOIDAL ANHYDROUS SILICA (AEROSIL-200)

    2000 KG Aug 18, 2026
    Bangladesh

    COLLOIDAL ANHYDROUS SILICA (AEROSIL-200)

    2000 KG Aug 7, 2026
    India

    Silica mesoporous, 1 μm particle size, pore size ~2 nm

    15.3 G Apr 18, 2025
    Philippines

    Silicon Dioxide

    600 KG Aug 6, 2026
    India

    Silicon dioxide

    100 KG Jul 13, 2026
    India

    Silica

    2000.00 KG Apr 23, 2026
    South Korea

    Silica 96%

    1 KG Apr 16, 2026
    Egypt

    silicon dioxide

    1 KG Mar 2, 2026
    Brazil

    Thermal Silica Aerogel Granular Powder

    1 KG Feb 26, 2026
    India

    Tysil 175 Silica

    2000.00 KG Feb 26, 2026
    India

    Silicon Dioxide

    1.00 KG Feb 11, 2026
    Singapore

    Silicon Dioxide

    1 KG Feb 10, 2026
    Germany

    Silicon Dioxide

    1 40' Fcl Feb 4, 2026
    Brazil

    Silicon dioxide

    10 MT Jan 23, 2026
    Post an enquiry for this product
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