JC/T 897-2014 English PDF (JC/T897-2014)

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JC/T 897-2014: Antiseptic function of antibacterial ceramic
JC/T 897-2014
JC
ICS 91.100.25
Q 30
Filing No.. 48690-2015
Building Material Industry Standard
of the People’s Republic of China
Replacing JC/T 897-2002
Antiseptic function of antibacterial ceramic
(ISO 22196.2011, Measurement of antibacterial activity on plastics
and other non-porous surfaces, MOD)
抗菌陶瓷制品抗菌性能
ISSUED ON. DECEMBER 24, 2014
IMPLEMENTED ON. JUNE 1, 2015
Issued by. Ministry of Industry and Information Technology of the
People’s Republic of China.
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 5 
4 Product marks ... 6 
5 General requirements ... 6 
6 Technical requirements ... 6 
7 Test methods ... 6 
8 Inspection rules ... 7 
Appendix A ... 9 
Foreword
This Standard is drafted according to the rules given in the GB/T 1.1-2009.
This Standard replaces the JC/T 897-2002 Antiseptic function of antibacterial
ceramic. Compared with the JC/T 897-2002, besides the editorial changes, the
major technical changes are as follows.
— ADD the “Normative references” (SEE Chapter 2 of this edition);
— DELETE the “Product categories” (SEE Chapter 3 of 2002 edition);
— ADD the “Product marks” (SEE Chapter 4 of this edition);
— ADD the “General requirements” (SEE Chapter 5 of this edition);
— ADD the technical requirements and experimental methods for the
permanence of antibacterial (SEE Section 7.3 of Chapter 6 of this edition);
— MODIFY the definitions of “antibacterial” and “antibacterial ceramic” (SEE
Sections 3.1 and 3.3 of this edition);
— ADD the “Antibacterial test conditions” (SEE Section 7.1 of this edition);
— MODIFY the detailed provisions on the methods of antibacterial
performance test (SEE Appendix A of this edition; Appendix A of 2002
edition).
Appendix A of this Standard modifies-adopts ISO 22196.2011 Measurement of
antibacterial activity on plastics and other non-porous surfaces.
According to the conditions of microbiological experiments in our country, this
Standard makes some modifications when adopting ISO 22196.2011. The
relevant technical differences have already been compiled into the Appendix A.
The existing major differences are as follows.
— This Standard deletes the “8.3 Calculation of the antibacterial activity” of
ISO 22196.2011, and changes it into “A.4.2 Calculation of the
antibacterial rate”, which is to consider using the common methods for
representing the antiseptic function of our country’s existing products;
— This Standard deletes the Appendixes A and B of ISO 22196.2011;
— This Standard makes some editorial changes to ISO 22196.2011
according to the requirements of national standards.
Antiseptic function of antibacterial ceramic
1 Scope
This Standard specifies the terms and definitions, product marks, general
requirements, technical requirements, test methods, and inspection rules of
antibacterial ceramic.
This Standard applies to the inspection and determination of the antiseptic
function of the ceramic tiles for building and sanitary ceramics with the
antibacterial function. Other ceramics can use this Standard for reference.
2 Normative references
The following documents are essential to the application of this document. For
dated references, only the versions with the dates indicated are applicable to
this document. For undated references, only the latest versions (including all
the amendments) are applicable to this document.
GB 4789.2 National food safety standards – Food microbiological
examination. Aerobic plate count
GB/T 9266 Determination of scrub resistance of film of architectural paints
and coatings
GB 19489 Laboratories – General requirements for biosafety
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Antibacterial
It refers to the generic terms of inhibiting and killing the growth and proliferation
of bacteria, saccharomycetes, moulds, and other microorganisms.
3.2 Permanence of antibacterial
SIMULATE the cleaning ways of the products during use. The permanence of
antibacterial refers to the antiseptic function after multiple scrub tests.
3.3 Antibacterial ceramic
The laboratories of antibacterial test shall conform to the requirements for
laboratory biosafety management and facility conditions specified in the GB
19489.
7.2 Detection of the antiseptic function
The test methods of antiseptic function shall conform to the provisions specified
in the Appendix A of this Standard.
7.3 Detection of the permanence of antibacterial
7.3.1 Principle
SIMULATE the cleaning ways of the products during use. USE sodium
hypochlorite disinfectant to repeatedly scrub the surfaces of test samples.
DETECT the antiseptic function of the surfaces of test samples after scrubbing.
7.3.2 Preparation of test specimens
PREPARE the test specimens according to the Section A.2.4.3. PLACE the
glaze layers with the antiseptic function of the six test specimens upwards. FIX
them in the middle of the 430mm × 150mm cement fiberboard.
7.3.3 Scrub test
CONDUCT the scrub test according to the GB/T 9266. USE sodium
hypochlorite disinfectant with a concentration of 5% as scrubbing solution.
SCRUB for 500 times.
7.3.4 Antiseptic function test
CONDUCT the scrub test to the test specimens. REMOVE the test specimens
afterwards. USE tap water to fully flush them. USE sterile distilled water to flush
them afterwards. PLACE the glaze layers of test specimens upwards. SOAK
the green bodies in the sterile water for 18h ~ 24h. ENSURE that the test
specimens fully absorb the water. During the test, TAKE out the test specimens.
USE sterile dry gauze to wipe the excessive moisture on the surfaces of test
specimens. PLACE them in the sterile plate for testing. CONDUCT the
antiseptic function test according to the provisions specified in the Appendix A
of this Standard.
8 Inspection rules
8.1 Inspection
The technical item specified in the Chapter 6 of this Standard refers to the type
ADD 1,000mL of distilled or deionized water. HEAT for dissolution. USE
0.1mol/L sodium hydroxide (analytical reagent) or 0.1mol/L hydrochloric acid
(analytical reagent) solution to adjust the pH to a value between 7.0 and 7.2.
After splitting up the solution, PLACE the solution in a pressure steam sterilizer.
STERILIZE at 121°C for 30min. If it is not used immediately after preparation,
STORE it at 5°C ~ 10°C. The storage duration is 30d.
A.2.2.2.2 Nutrient agar (NA) culture medium
WEIGH 5.0g of beef extract, 10.0g of peptone, 5.0g of sodium chloride, and
15.0g of agar. ADD 1,000mL of distilled or deionized water. HEAT for dissolution.
USE 0.1mol/L sodium hydroxide (analytical reagent) or 0.1mol/L hydrochloric
acid (analytical reagent) solution to adjust the pH to a value between 7.0 and
7.2. After splitting up the solution, PLACE the solution in a pressure steam
sterilizer. STERILIZE at 121°C for 30min. If it is not used immediately after
preparation, STORE it at 5°C ~ 10°C. The storage duration is 30d.
A.2.2.2.3 Plate count agar
WEIGH 2.5g of yeast powder, 5.0g of tryptone, 1.0g of glucose, and 15.0g of
agar. ADD 1,000mL of distilled or deionized water. HEAT for dissolution. COOL
down to room temperature. USE 0.1mol/L sodium hydroxide (analytical reagent)
or 0.1mol/L hydrochloric acid (analytical reagent) solution to adjust the pH to a
value between 7.0 and 7.2. After splitting up the solution, PLACE the solut...