MITSUBISHI MATERIALSCopper & Copper Alloy Business

MITSUBISHI MATERIALSCopper & Copper Alloy Business

Japanese

Products information

Clean seriesAntivirus and Discoloration resistant

Standard No.
CDA
C77100 (CLEANBRIGHT)
C44710(CLEANBRASS)

CLEAN series(CLEAN BRIGHT ,CLEAN BRASS) possesses antivirus and antimicrobial properties which is inherent characteristic of copper and copper alloys.
It is possible to form into various parts (such as doorknobs and handrails) which has antivirus and antimicrobial properties ,due to its high strength and formability.

Main features

  1. Excellent antivirus and antimicrobial properties
  2. Good workability
  3. Discoloration resistance
  4. White type: Warm color with silver white tinged with yellow (clean bright)
    Yellow type: Brass color tinged with a little whiteness (clean brass)

Main applications

  1. Door handle and door knob
  2. Bed member (side rail, head and foot board, and the like.)
  3. Nurse cart and side table member (top plate, handle, and the like)
Door handle(CLEAN BRIGHT)

Antivirus and Antimicrobial properties

We have confirmed that CLEAN BRIGHT has antivirus and antimicrobial properties for several viruses and bacteria.
For detail of antivirus and antimicrobial properties , please contact us.

Antivirus and antimicrobial properties for several viruses and bacteria are introduced on the website of Japan Copper Development Association.http://www.jcda.or.jp/english/tabid/146/Default.aspx

Testing laboratory : Kitasato Research Center for Environmental Science
Test method : Plaque Method

Antivirus test for
virus A

Testing laboratory : Kitasato University
Test method : film contact method

Antimicrobial test for
Bacteria B

* Only for infomation.

Chemical composition

(Weight %)

  Cu Sn Ni Zn
CLEAN BRIGHT 54   11 Rem.
CLEAN BRASS 70 0.5 2 Rem.
* Including inevitable impurities and trace additive elements

Physical properties

Property  
CLEAN BRIGHT CLEAN BRASS
Specific Gravity(293K) 8.6 8.6
Electrical Conductivity
(%IACS:293K)
7.6 19
Modulus of Elasticity
(kN/mm2:293K)
120 118

Mechanical properties (Sampling direction :L.D.)

The mechanical properties of Clean series(welded tube: Representative Value)
  CLEAN BRIGHT CLEAN BRASS
Tensile Strength
(N/mm2)
560 530
0.2%Yield strength
(N/mm2)
460 440
Elongation
(%)
40 35

Corrosion resistance

Clean series have excellent dezincification corrosion resistance.

  ISO6509 μm
maximum corrosion depth average corrosion depth
CLEAN BRIGHT <10 <10
CLEAN BRASS <10 <10

Stress corrosion cracking resistance

It satisfies the stress corrosion cracking test by JIS method and ASTM method (both conducted in ammonia atmosphere).

Stress corrosion crack test result
  Stress corrosion cracking test
JIS A ASTM
CLEAN BRIGHT
CLEAN BRASS

Bendability

Welded pipe of clean series has excellent bendability.

Bending test of welded pipe
CLEAN BRIGHT
CLEAN BRASS

workability: push spreading test

Welded pipe of clean series has excellent push spreadability.

Push-spread test result of welded pipe
CLEAN BRIGHT
CLEAN BRASS

Discoloration resistance

Even if the clean series are used for one year at the actual medical institution, it maintains the initial metallic luster, and no noticeable discoloration is recognized.

Discoloration resistance of clean series (1 year use)
CLEAN BRIGHT
CLEAN BRASS

Inquiry

Environment Product Sales Dept.

TEL:+81-72-233-9001

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