Date :2010-11- l lNo. :HC266892

Applicant(Code:VTT00 1)

Description of Sample(s)

Date Sample(s) Received

Date Tested

Investigation Requested

Conclusion(s)

STC Test Report

Page I of 2

VTech Telecommunications LtdBlk I 23lF Tai Ping Industrial Centre57 Ting Kok RoadTai Po NT HK

Two submitted samples said to be Plastic Material.l. ABS with (UV-l% DAW 502) spray on surface2. ABS with (UV-0.5% DAW 502) spray on surface

Sample(s) Received Condition(s): In plastic bag under ambient temperature

2010- l I -0 I

2010- l I j03 to 2010- l l -06

Antibacterial Effectiveness against- Escherichia coli XEA{pffi (ATCC 8739)- Staphylococcus aureus AFeffiHt*H (ATCC 6538)

l. From the test results, the submitted sample * ABS with (UV-l% DAW502) spray on surface was able to eliminate 87.19% of the inoculatedSt ap hy I o c o c c us aure us and 99.9 4o/o of the inoculat ed Es c he r ic hi a c ol i.fFtFiFU;*ftfrR ' +E'f*Z{tffi -ABS with (uv-t% DAw 502) spray onsurfac e ft?#krstr h 2/\ +! Hfi - lt ffi fE E! + F@ ffiHWffi ktr h 2)L+ ;lus^,frJ\V\l*fFH! tF#t+H .

2. From the test results, the submitted sample - ABS with (UV-0.5% DAW502) spray on surface was able to eliminate 88.44% of the inoculatedSt ap lry I o c o c cus aur e us and 99.80%o of the inoculat ed Es c he r ic hi a c o I i.

tFtRh'1ffR , tFI*2t#.Fa -ABS with (uv-0.5% DAw 502) spray onsurfaceH24pWHAi-/\+/\P"fi EE+*fEH!#F@ffiHt*ffi F-trt}Zh+/lF"fi /\ Fl*fEH! tFAffi H .

"-J' ", ..:;" .. * \,..'-8, r.4d)1-#**::-*"* r-'LIU KitYuen, BithiahAuthorized Signatory

Chemical and Food DepartmentFor and on behalfof

The Hong Kong Standards and Testing Centre Ltd.

In the event ofany discrepancy between the English md Chinese versions ofthe text mentioned before, the English venion shall prevail tothe extent ofsuch discrepancy only.

6 E E ( + E & E * , 1 . 8 ' E A EThe Hong Kong Standards and Testing Centre Ltd.

6igfi tFl.16T*4r1^a6i 10 B,10 Dai Wang S'tneet, Taipo Indusliial Eslate, N.T., Hong Kong

Tel :(852)26661888 Fax:(852)26014353 E-mail:hksc@hkstc.org Homepage:M.stc-group.org

This report shali not be reproduced unless with pdor ffitten approval from The Hong Kong Slandards and Testing Cenfe LtdFor Condilions of lssuance ofbi6 te6t report, please referto the overleafor Homepage.

ffiDate : 2010-11-1 iNo. :HC266892

Method(s) Used:

Ref. JIS 22801:2000

Test Result(s):

ABS with (UV + 0.5% DAW 502) spray on surface

Remarks:r CFU denotes Colony Forming Unito Average bacteria count is obtained by taking the average ofcounts from same type oftest pieces

o Treated sample : Treated with DAW502 + UVr Control sample : Untreated sample with UV onlyo Bacteria Reduction Rate = (Averaqe ofControl -Averaee ofTreated samole) x 100

Control****t End OfTeSt RepOrt *****

Page 2 of2

E B H # e . & E 4 , 1 ' € ' t r A EThe Hong Kong Standards and Testing Centre Ltd.

*E#in,(ffir*u]^ui,10 &,[1 0 Dai Wang Sfeet, Taipo Industrial Esbte, N T., Hong Kong

Tel : (852) 2666 1888 Fax : (852) 2664 4353 E-mail : hkstc@hkstc.org Homepage : wato-group org

This report shall notbe reproduced unless with prior witten approval lron The Hong Kong Slandard6 and Tesling Centre LtdFor Conditons of lssuance ofhls test report, please refer to fie ovedeafor Homepaoe.

ABS with (W + lo/oDAW on surtace

Bacteriainoculated

Initial bacteria countCFU/ml

(right afterinoculation)

Test pieces

Average bacteria countCFU/sample

(after incubation at35'C for 24 hours)

BacteriaReduction

Rate

Escherichia coliXWIFffi

(Arcc 8739)200,000

Control 5,900,000 N/A

TreatedsamDle

3,500 99.94o/o

Stapltylococcusaureus

#F€ffiH'*H(ATCC 6538)

190,000Control 32,000 N/A

Treatedsample 4,100 87.19o/o

Bacteriainoculated

Initial bacteria countCFU/ml

(right afterinoculation)

Test pieces

Average bacteria countCFU/sample

(after incubation at35"C for 24 hours)

BacteriaReduction

Rate

Escherichia coli

xwt+ffi(ATCC 873e)

220,000Control 5,goo,ooo N/A

Treatedsample

12,000 99.80o/o

Staphylococcusaureus

#F€ffiH'*H(ATCC 6538)

190,000Control 32,000 N/A

Treatedsample 3,700 88.44o/o