Industry Grade 200mesh Boron Oxide CAS1303-86-2
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Industry Grade 200mesh Boron Oxide CAS1303-86-2

Availability:
Synonyms:Boria
Diboron trioxide
Boricanhydride
Formula:B2O3
Weight:69.62
HS Code:2810001000
Grade:99%Industrial grade
Hazard Class:General Chemical
  • 1303-86-2

  • bosschemical

  • 1303-86-2

Certificate of Analysis-COA 

Index name


Index

Boric oxide(B₂O₃)

%≥

98.8

Silica(SiO₂)

%≤

0.1

Alumina(Al₂O₃)

%≤

0.005

Calcium oxide(CaO)

%≤

0.01

Iron oxide(Fe₂O₃)

%≤

0.005

Sodium oxide(Na₂O)

%≤

0.02

Attached water

%≤

0.60

Granularity(200mesh)

%≥

95

 Applications 

1. For Borosilicate And Specialty Glass: In specialty glass and glass fibre batches it lowers melting temperature and raises thermal resistance, mechanical strength and aqueous and chemical durability, which is why it is a core component of heat resistant glass.


2. Flux For Ceramic Glazes, Enamels And Frits: It is one of the main fluxing agents in glazes, enamels and frit production, and it also works as a bonding agent in boron nitride ceramics for hot isostatic pressing.


3. Boron Doping Source For Semiconductors: It is used as a diboron trioxide semiconductor doping source, where a boron dopant has to be delivered into electronic device structures during doping steps.


4. Flame Retardant Additive: It is incorporated into polymers, composites and coatings to improve fire resistance, which makes it relevant to construction and textile applications.


 Factory Area

FACTORY

Standardized Process Flow

FACTORY

Production Capacity

Located in Shandong, our factory is approximately 300km from Qingdao Port, enabling fast and cost-effective delivery to customers worldwide.

 Packaging 

固体编织袋

Solid woven bags

固体牛皮纸袋

Solid kraft paper bags

固体吨袋

Solid ton bags


Export-grade packaging, custom labels

Solids (woven bags/cardboard drums/ton bags)

Liquids (plastic drums/IBC/ISO tanks)

Our Advantages

  • Specifications & technical advantages: 
    Higher main content and lower impurity levels; batch-to-batch stability; better solubility, particle size, and flowability, facilitating downstream processes.​​​​​​​
  • Quality system advantages: 
    Certification list - ISO 9001, REACH registration number, FDA, Kosher, Halal; each batch comes with a COA, supporting third-party testing (SGS, etc.); full traceability.​​​​​​​
  • Supply chain advantages: 
    Own factory/integrated production; annual production capacity is at full capacity, with plans to expand production; some stock is available for immediate delivery; delivery time is clear.
Transportation
1
Packaging & Loading
25 kg bags with inner PE liner, 40 bags per pallet (1 MT),  shrink-wrapped and fumigation-free; 20 MT per 20' FCL, 28 MT per 40' HQ.
2
Shipping
Sea freight is recommended for bulk orders (30–40 days to Europe/US); samples ship via DHL/FedEx within 3–7 days.  Available terms: FOB Qingdao / CIF / DDP.
3
Dangerous goods
Classified as UN, Class, Packing Group; we provide full DG documentation and comply with IMDG for all ocean shipments.
4
Documents
Commercial invoice, packing list, bill of lading, COA, SDS, and certificate of origin are included with every shipment.
  +86-15628782329        
   +86-15628782329
    No. 55, Gongye South Road, Jinan Area, China (Shandong) Pilot Free Trade Zone

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