Kisan Kinzoku Chemicals Co.,Ltd.

Tellurium dioxide

General Information

  • Appearance : White light yellow powder.
  • Category : Tellurium dioxide is an oxidized tellurium.
  • Applications : Optical glass, Vulcanization accelerator, Glass frit, Acousto-optic components, Electrical contacts.

Product Features

  • We can supply special grades with controlled specific impurities that meet the needs of each individual user.
  • We produce about 10 tons annually.
  • Our supply and quality are stable as we refine our tellurium (the raw material for tellurium dioxide) in-house and have an ample inventory.
  • Since we manufacture Tellurium dioxide starting from the tellurium refining process, many users appreciate the stable quality of our products.
Tellurium dioxide

Appearance

Tellurium dioxide drum

Fiber drum of 20 kgs. net
(2 bags of 10 kgs. net in a drum)

Basic Information

CAS No.
7446-07-3
Chemical formula
TeO2
FW/MW
159.60
Specific gravity
5.67
Melting point
733 degree C.
Appearance
White powder
Harmonized system (HS code)
2825.90
UN number
N/A

Specification

10% NaOH soluble
Almost clear
Pb
0.005% max.
Cu
0.005% max.
Fe
0.005% max.
Ni
0.005% max.
Ag
0.005% max.
Se
0.005% max.
TeO2
99.9% min.

Regulatory Approvals

ISO 9001
Certified
ISO 14001
N/A
REACH
N/A
Halal
N/A
Kosher
N/A
FDA
N/A
GMP
N/A

Final Products

  • Optical glass
  • Rubber chemicals
  • Glass frit
Optical glass

Optical glass

Rubber chemicals

Rubber chemicals

Glass frit

Glass frit

FAQ

Who are your main customers?
Our customers are mainly rubber chemicals and optical glass manufacturers. We have been supplying them for many years.
Have any users recently increased their Tellurium dioxide orders?
Overseas solar cell electrode silver paste manufacturers have recently begun increasing their orders.

End User Comments

Thermoelectric element manufacturer

“We are very grateful that Kisan supplies us with tellurium dioxide that meets our desired impurity standards.”

Who manufactures Tellurium dioxide?

Kisan Kinzoku Chemicals Co.,Ltd.

Aerial Shoot

Introduction

  • We are a manufacturer headquartered in Osaka, Japan, that manufactures various rare metals and rare metal compounds.
  • We are the largest producer of tellurium compounds in Japan and one of the world’s major players. We produce a total of 40 tons (as Te) annually, including tellurium and tellurium compounds.
  • Kisan Kinzoku Chemicals’s Tellurium dioxide has a high share of the rubber chemical manufacturers and optical glass manufacturers market, and is exported all over the world.

History

1955 Established in Osaka prefecture, Japan.
1982 New plant constructed.
1998 Second plant operation started.
Obtained ISO 9001 certification.
2000 Opened Tokyo sales office.
2001 Built new head office.
2005 Obtained KES certification.
2008 Third plant operation started.

Company Overview (as of March 31, 2020)

Company name Kisan Kinzoku Chemicals Co.,Ltd.
Head office 2-13-57, Nakajima, Nishiyodogawa-ku, Osaka, 555-0041, Japan
Date of establishment July 30, 1959
Capital JPY 35 million
Number of employees 70
Location Head office: Osaka
Sales office: Tokyo

Plants

Plant location map

Headquarters and Plant

  • Tellurium
  • Tellurium compounds
  • Indium compounds
  • Antimony
  • Antimony compounds
  • Thallium compounds
  • Cesium compounds