Tungsten Trioxide Powder

Details:

Tungsten Trioxide Powder WO3 CAS 1314-35-8

Chemical Formula: WO3

CAS No.: 1314-35-8

Appearance: Yellow-green nanopowder

Purity: 99.9% (4N), 99.99% (5N available)

Particle Size: 20-100nm (customizable 10-200nm)

Specific Surface Area (BET): 30-80 m²/g

Crystal Phase: Monoclinic (ε-WO3), hexagonal or cubic optional

Specification

Property	Details
Appearance	Yellow-green fine powder
Purity	99.97%
Color	Yellow-green
Density	2.0 - 3.0 g/cm³
Particle Size	20-100nm

Application

1. Smart Windows: WO3 nanoparticles are used in electrochromic devices, where they change color in response to an applied voltage, enabling the development of smart windows that can regulate heat and light transmission.

2. Gas Sensors: Nano WO3 is employed in gas sensing applications, particularly for detecting harmful gases such as ammonia (NH3), nitrogen dioxide (NO2), and hydrogen sulfide (H2S), owing to its high sensitivity and selectivity.

3. Photocatalysis: WO3 nanoparticles serve as effective photocatalysts for environmental remediation, such as the degradation of organic pollutants in water and air purification systems under UV light irradiation.

4. Energy Storage: In energy-related applications, WO3 is investigated for its potential in supercapacitors and lithium-ion batteries, where its high surface area and electrochemical properties contribute to improved energy storage and cycling stability.

5. Optoelectronic Devices: It is utilized in the production of optoelectronic devices like LEDs (light-emitting diodes) and solar cells, where its semiconductor properties and transparency play crucial roles.

6. Catalysis: WO3 nanoparticles act as catalysts in various chemical reactions, including the oxidation of organic compounds and hydrocarbons, and in industrial processes such as the production of sulfuric acid.

7. Electrochromic Films: Nano WO3 is used to create thin films with adjustable optical properties, which find applications in displays, mirrors, and automotive rear-view mirrors.

8. Anti-UV Coatings: It is added to coatings and materials to provide UV protection, making it useful in sunscreens, paints, and plastics.

Packaging & Delivery

Welcome to contact us to get complete COA.

Shanghai Lonwin Chem is a leading manufacturer and supplier of chemicals in China.We develop, produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. 

We could give you: 

1. Best quality in your requirement 

2. Competitive price in China market 

3. Mature Technical support 

4. Professional logistic support 

All we want is win-win business. Send yr. inquiries, you will get it!

Storage:

keep container tightly closed in a dry and well-ventilated place.

Packing:25kgs/bag or 25kgs/drum

Weight	Packing
<25KG	By foil-alum bag/pap/bottle
≥25kg	Package: 25kg/drum/bag or as your request

Company Profile

Shanghai Lonwin Chemical Co., Ltd. is a company committing to contract synthesis and production of photoinitiators, fluorocarbon surfactants, indicators, intermediates and APIs.Our company has ISO and REACH international certification, in Jiangsu, Anhui and other places with decades of cooperation of OEM processing plants, to provide a more solid support for the customized production service of special chemicals.

Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East, and customers are highly satisfied with our products and service!

To achieve sustainable and steady development, we establish closely cooperative relationships with famous universities and institutions of China. We regularly exchange information with them and make cooperation on the R&D of new technologies.

Sticking to the business philosophy of "quality first, credit first, service first, creativity first", we are doing our best to meet demands of customers all around the world. We sincerely welcome your visit and business, and look forward to cooperating with you for expanding international market together!

FAQ

Q1: Have your Product Quality been Approved by Third Party Lab ?

A: Yes, All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China. So you will be assured with Good Quality if you choose us. 

Q2: How do you treat quality complaint?

A: First of all, our QC department will do strict examination of our export products by HPLC, UV, GC,TLC and so on in order to reduce the quality problem to near zero. If there is a real quality problem ,caused by us, we will send you free goods for replacement or refund your loss.

Q3: How to cooperate with us?

A: You can contact us for cooperation through the website contact information, or contact with the salesmen in our company. We will connect you about the specific detail via email. 

Q4: Do you Accept Sample Order?

A: Yes, we accept small order from 10g, 100g and 1kg for your evaluation quality of our goods.

Q5: Is there any discount?

A: Yes, for larger quantity, we always support with better price. 

Q6: How long does it take to the goods arrived?

A: It is Depending on your location. For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS. For mass order, please allow 5-8 days by Air, 20-35 days by Sea.

Q7: Do you have any reshipment policy  ?

A: We have good after-sale service and re-shipment policy if the parcel  lose. Our long association with  our clients has brought great benefits. We always take the upmost care in the packaging of our products . Our clients will confirm this as even they struggle to find them without help at times. But in spite of our best efforts it is still possible  will seize a small number of packages. In this circumstance we promise reship free  to establish  long term relationship.