Weltouch - Clean & Well Pack – Be Clean & Be Healthy

Weltouch®Verified anti bacterial coating agent

CONTENT

Post COVID-19 EraProblems with Existing Antibacterial Agents

Business Background01

Title >>

What is Weltouch®?Solution Weltouch®

Weltouch® functionWeltouch® MeritWeltouch® Applied customer

Solution Weltouch®

02

Weltouch® CertificateWeltouch® Application Cases

Certificate and Application Cases

Quality improvementIncrease in Corporate ValueNo Verification Required

03

Expected Effect05Weltouch® 시공 이란?Weltouch® 시공 사례

Weltouch® 시공04

Business Background

A compound word of Post and COVID-19, a term that extends to a new era and situation that will come after overcoming COVID-19.

The demand for antibacterial and sterilized products continues to increase.

Prefer antibacterial treatment products when selecting a product

Antibacterial power accounts for an increased share of consumer choice criteria

Post COVID-19 EraBusiness Background

COVID-19

Business BackgroundProblems with Existing Antibacterial Agents

Requires proven technology with definite effectiveness and definite durability

Lack of Performance

Verification Required

difficult to see expected antibacterial effects

does not receive a continuous antibacterial effect

Lack of practical application cases in the field

Solution Weltouch®

Solution Weltouch®Solutions to the Problems of Existing Antibacterial Agents

Lack of Performance

Verification Required

Solution Weltouch®

Strong Effect Various Test ReportStrong Durability Various Application cases

It has powerful effects such as antibacterial,

antivirus, remove odor, etc. that raise the

quality of life to the next level

Have a number of actual applications case of

enterprises, not media publicity

(Korean government, LG, GS, MARRIOT, HERSHEY, LOTTERIA, and other well-known Korean

companies, as well as multinational companies, are using

Weltouch®)

High durability makes it hard to erase easily and has long-term effects

with a single coating on various applications

Through collaborating with a number of

companies, We having reports verified by

numerous authorized institutions such as FITI, KTR, KATECH, ELSEVIER, FDA, etc.

Solution Weltouch®What is Weltouch®?

Weltouch® coated surfaces provide a healthy and pleasant environment by decomposing and removing various harmful substances including viruses, bacteria, and VOCs

xO2- and xOH generated by Weltouch®'s action with oxygen and moisture in the air decomposes and removes indoor viruses, bacteria, pathogenic bacteria, harmful substances (VOCs, formaldehyde), and others.

Bacteria, virusVOCs, formaldehyde, ammonia, odor

Electron e-

Hydrogen ion H+

Hydroxy radical ·OHHydroxy anion OH-

Perhydroxy radical ·OOHSuperoxide anion O2

O2, H2O CO2, H2O

-

Weltouch® Weltouch®

Excited stateWeltouch®

Weltouch® is a liquid anti-bacterial coating agent that can be coated in the product (fiber, plastic, filter, etc.) to give the functions such as antibacterial, antiviral, etc..

※ USA FDA Medical device Class1 Registerd Product (Registration Number: 3017207094)

Announces the effects of virus annihilation at SCI-class international journal of viruses "Virus Research"

Test with Weltouch® show that 100UL of influenza virus(H1N1)is eliminated at least 99.9995% per hour under UV

light conditions.

See for yourself at "Virus Research"(Amsterdam Netherlands, ElSEVIER) Volume 248, 2018, p71~73

Announced as a solution in the world-renowned SCI-class international paper

Virus Research at the time of the outbreak of the H1N1 virus, the same kind as the

Corona virus.

Solution Weltouch®

What is Weltouch®?

Selection of "100 Best Scientists in the World (IBC, Cambridge, England) in 2013"

Classified under outstanding scientists in one of the World’s Top 3 Biographical

Dictionaries, “Marquis Who’s Who in the World”

Selection of "100 Best Scientists in the World (IBC, Cambridge, England) in 2013"

Weltouch® technology developer Choi Sei Young was also listed in the world's three-generation dictionary, "The Marquis Who's Who in the World."

Solution Weltouch®

What is Weltouch®?

Welotuch® technical advisor : Professor Choi Sei-youngof Cheongju University

Development of Visible Light Sensitive Photocatalyst

Solution Weltouch®Weltouch® function

Ammonia, trimethylamine removal test, which is responsible for odour, reduced to less than 1 ppm in one hour

Remove Formaldehyde, Styrene to below measurable value from VOCs removal test

Eliminate 99.999% or more bacteria in 5 minutes

Excellent durability for long periods of time, eliminate 99.9% or more of bacteria after

washing 25times

Influenza virus H1N1 test results showed that 99.9995% or more were removed per hour under

UV lamp conditions.

Antibacterial Remove odor

Remove VOCs Anti virus

Weltouch®

Solution Weltouch®Weltouch® Merit

1

› Weltouch® is durable and do not erase easily› Weltouch®-treated fibers during the test show 99.9% antibacterial power even after 25 washing.› Convenience and persistence at a different level than existing products that require binder or heat

treatment.

Test item

Test resultsConcentration

after treatment (CFU/mL)

Concentration after 19hours

(CFU/mL)

Reduction rate of

bacteria(%)

Antibacterial test for staphylococcus Aureus

Weltouch®Wash 25 times

- <10 99.9

Weltouch® - <10 99.9

Untreated 1.7 ×104 8.7 ×106 -

Antibacterial test for pneumococcus

Weltouch®Wash 25 times

- <10 99.9

Weltouch® - <10 99.9

Untreated 2.2 ×104 2.8 ×107 -

Untreated Weltouch® Weltouch®

Washing 25times

Durability and persistence

Durability and persistence

› Weltouch® maintains antibacterial and anti virus effects on a single coating.

02468

101214161820

Jan Feb Mar Apr May Jun Jul Aug SepFloa

ting

fall

bact

eria

(uni

t/5 m

in)

1-2

Test period3 months of

continuous effect

SYH (HACCP Plant) Activity Room fall bacteria Tendency

1000

1500

2000

2500

3000

3500

0 After aweek

After 2weeks

After 3weeks

After 4weeks

Treated with Weltouch®

Treat with Weltouch® : 1 time in two months

general sterilization : 3times in a week

Comparison of general sterilization and Weltouch®‘s removal of microorganism and effect continuity

14

18 1917 18 19

2 20 Fl

oatin

g fa

ll ba

cter

ia(e

a)


2 Constant action of effect

• Apply day and night at all times without limit • Superior technical skills that work even in without light.

0

20

40

60

80

100

Untreated Without light

Visible-light responsive

photocatalystUltraviolet

rays

Photocatalyst

Ultraviolet raysVisible rays

Ultraviolet raysVisible raysInfrared rays

thermal energy

Self-actuated non-photocatalyst

Technology Comparison between Other Photocatalyst Products and Weltouch®

Existing Photocatalyst Company Weltouch®

Weltouch®

Con

c.(F

orm

alde

hyde

, ppm

)

80ppm

16ppm


Numerous global conglomerates and governments have also applied Weltouch® for the effects of antibacterial, antiviral, anti fungus or odor removal.

LG Hausys : (Air-saving wallpaper, Air-saving ZEA wallpaper, ZINNIA wallpaper, ZEA Fresh wallpaper, fabric wallpaper)

GS E&C (model house, XIAN center)

GS Gran Seoul(GS E&C new office building)

Government Complex Sejong : (Office of minister and vice minister of the department of the environment, Administrative Support Center, pressroom of Fair-Trade Commission)

New ward of Bundang Cha Hospital : (Cha College of Medicine)

Courtyard by Marriott (Pangyo Hotel)

Hotel intercontinental Parnas

The City 7 Hotel Pullman : (Ramsar General Headquarters of the International Conference on Environment)

Solution Weltouch®Weltouch® Applied customer

TOUS les JOURS DUNHILL

LOTTERIA HERSHEY

Certificate and Application Cases

[award confirmation letter] [Readdot Home Page and Yearbook Published Contents]

It describes the Eco-coating layer of Weltouch®

technology.

January 2017 “OEKO-TEX STANDARD 100”(Qualification of Class 1)

출처 : 2017년 4월 4일 매일경제

The "Bestie" wallpaper, which received the highest grade of the "oeko-tech standard 100," is an eco-friendly wallpaper product. oeko-tech standard is a measure of the degree of harmlessness of products that come into contact with the skin, such as clothing, bedding, toys and interior.

︙Of the total four grades, only those products that are safe for use by infants under the age of three will be given the first grade.LG Hausys became the world’s first wallpaper product to get the first grade in 2014 with ZEA wallpaper.

LG Hausys won the reddot concept award 2010 for wallpaper coated with Weltouch®.It is also the world's first wallpaper product to win the first grade in the quality certification of European textile

products (Oeko-tex standard 100).

Weltouch® Application casesLG Hausys

Percent reduction

99.999%

Percent reduction

99.999%Anti bacterial effect over 99.999%Test item: antibacterial testTest date : 2018.04.04Test bacteria: Staphylococcus aureus,

Klebsiella pneumoniaeTest institution: FITI

2.3 ×106Concentration of organism (CFU/mL)

Anti-bacterial test for Staphylococcus aureus

After 5 min(CFU/mL)

<10

After 5 min(CFU/mL)

<10Concentration of organism (CFU/mL)

Anti-bacterial test for Klebsiella pneumoniae

Weltouch® CertificateAntibacterial Test

1.7 ×106

Blank

Weltouch®

Test item : Removal of odor-causing substances Test

Test date : 2018.04.19Test gas: Ammonia(NH3 ), Trimethylamine(TMA)Test institution : KTR

0

20

40

60

80

100

120

Ammonia (NH3) Trimethylamine (TMA)

Den

sity

of t

he g

as(p

pm)

After 1 hour

According to a test conducted with Weltouch® by the Korea Testing & Research Institute, both ammonia and trimethylamine, the substances responsible for the stench, drop their levels below 1 ppm an hour later.

After 1 hour

Weltouch® CertificateRemove odor Test

Test item: VOCs elimination test results(Car interior, PVC sheet)

Test date : 2012.07.12Test gas: Toluene, Styene, FormaldehydeTest institution: Korea Automotive TechnologyInstitute

Specimen120min

Untreated Treated Reduction rate (%)

Toluene 1,645.0 108.6 93%

Styrene 3.8 ND 100%

Formaldehyde 142.0 ND 100%

No styrene and formaldehyde were detected 120 minutes after Weltouch®

treatment as a result of VOCs removal test.

Weltouch® CertificateVOCs elimination test

Hazardous product inspection report

Consumer Chemical Products

› Any chemicals that should not be included in the deodorant have been not detected..

Weltouch® CertificateSafety

iuvo – Primary Skin irritation Test

Primary Skin irritation Test

› Weltouch® recorded the primary skin irritation index of 0 (Negligible).


iuvo – AGAR DIFFUSION TEST QUALITATIVE CYTOTOXICITY ASSESSMENT (ISO METHOD) of Weltouch®

Cytotoxicity Test

› Weltouch® does meet the criteria of this test and is not considered to elicit a cytotoxic effect under the conditions employed.


UL – Extraction studies done in accordance with FDA 21 CFR §175.300,

Extration test

› Coating agent (Weltouch®) has not extracted from all solvent test groups (water, heptane, alcohol)


Weltouch®

C o n s t r u c t i o n

Weltouch® Construction

Nameplate for the space where Weltouch® was constructed

By coating Weltouch® on interior walls, floors, and exterior walls of buildings, all effects of Weltouch® are applied to the space.Weltouch® decompose and removing harmful substances (VOCs, formaldehyde), materials that cause sick house syndrome, viruses, bacteria, and pathogenic bacteria generated by building materials and furniture etc.

What is Weltouch® construction?

Anti Bacteria

Anti Virus

Anti Fungus

Super Deodorization

Remove VOCs

What is Weltouch® construction?

1. Test item: Floating fall bacteria test

2. Tester: NexChem (research institute for corporate building), Food merce, 3HS team

3. Test bacteria: Floating fall bacteria

4. Test date : Dec 16 ~ 29, 2009

Floating fall bacteria elimination test

Performance of Weltouch® construction

02468

101214161820

Jan Feb Mar Apr May Jun Jul Aug SepFloa

ting

fall

bact

eria

(uni

t/5 m

in)

Test period3 months of

continuous effect

SYH (HACCP Plant) Activity Room fall bacteria Tendency

14

18 1917 18 19

2 20

A Floating fall bacteria removal test conducted with Food merce confirmed that the performance continued even after three months of Weltouch® application.

(Performance will continue after 3 months, but there is no need for test, so measure up to 3 months.)

Weltouch® Construction

1. Test item: Floating fall bacteria test

2. Tester: NexChem (research institute for corporate building), Food merce, 3HS team

3. Test bacteria: Floating fall bacteria

4. Test date : Feb 09, 20111000

1500

2000

2500

3000

3500

0 After aweek

After 2weeks

After 3weeks

After 4weeks

Treated with Weltouch®

Treat with Weltouch® : 1 time in two months

general sterilization : 3times in a week

Floa

ting

fall

bact

eria

(ea)

Comparison of general sterilization and Weltouch® effects

Compared to the general sterilizer, Weltouch® can be confirmed to continue its effect with a single coating, compared to the general sterilizer, which is effective only at the moment of spraying.

Performance of Weltouch® constructionWeltouch® Construction

Administrative Support Center in Government Complex Sejong where President Park Geun-hye received her first

report of the 2015 new year has solve the new house syndrome and indoor odor by constructing Weltouch®

(2015. 1. 13.)

Weltouch® construction(2015. 1. 6. ~ 2015. 1. 12.)

Even during construction of Weltouch®, government event personnel are preparing for the event.

Weltouch®

construction picture

Construction Weltouch® in Sejong Government Complex 1Weltouch® Construction

Air Quality Report Before Construction at the Sejong

Government Complex

Air Quality Test for apply Weltouch® in Sejong Government Complex

Air Quality Report After Construction Weltouch® at the Sejong Government Complex

Measurement itemStandards for indoor

air quality management

Before construction

Measurem

entresult

HCHO 100 μg/㎥ 33.2 μg/㎥

TVOC 500 μg/㎥ 359.0 μg/㎥

Benzene 30 μg/㎥ 4.6 μg/㎥

Toluene 1000 μg/㎥ 137.1 μg/㎥

Ethylvenzene 360 μg/㎥ 21.5 μg/㎥

Xylene 700 μg/㎥ 93.3 μg/㎥

Styrene 300 μg/㎥ 2.8 μg/㎥

After construction Weltouch®

6.4 μg/㎥

76.0 μg/㎥

2.0 μg/㎥

19.4 μg/㎥

3.4 μg/㎥

13.2 μg/㎥

0.4 μg/㎥

The construction of Weltouch® at the Sejong Government Complex in the Republic of Korea has removed harmful indoor substances

Construction Weltouch® in Sejong Government Complex 2Weltouch® Construction

The picture where Weltouch® is being construction on site using equipment.

Weltouch® construction caseWeltouch® Construction

Administrative Support Center in Government Complex Sejong

• Orderer : Sejong Government Complex, Government Administration and Home Affairs Ministry, Sejong Government Complex Management Office

• Project : Construction Weltouch® in Administrative Support Center in Government Complex Sejong

• Place : 66, Dasom 3-ro, Sejong-si, Republic of Korea

• Date : January 5, 2015 to January 9, 2015


7Suite

Deluxe rooms Single rooms

Office of minister and vice minister of the department of the environment in Government Complex Sejong

• Orderer : Sejong Government Complex, Government Administration and Home Affairs Ministry, Sejong Government Complex Management Office

• Project : Construction Weltouch® in Office of minister and vice minister of the department of the environment

• Place : 11, Doum 6-ro, Sejong-si, Republic of Korea

• Date : February 7, 2015


Pressroom of FairTrade Commission in Government complex Sejong• Project : Construction Weltouch® in Pressroom of FairTrade Commission

• Place : 13, Jeongbu 2cheongsa-ro, Sejong-si, Republic of Korea

• Date : January 18, 2013


Operating room Labor ward

Anesthetic preparation room Recovery room

Operating room desk Incubator room

Neonatal room Neonatal room

New ward of Bundang Cha Hospital (Cha College of Medicine)

• Orderer : Bundang Cha Hospital (Cha College of Medicine)

• Project : Construction Weltouch® in Bundang new ward of Cha Hospital (Cha College of Medicine)

• Place : 59, Yatap-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea

• Date : May 30, 2006


7Suite

Deluxe rooms

Residential suite

Executive rooms

Single rooms

Ondol rooms

The City 7 Hotel Pullman (Ramsar General Headquarters of the International Conference on Environment)

• Orderer : (주)초록도시

• Project : Construction Weltouch® in The City 7 Hotel Pullman

• Place : 332, Woni-daero, Uichang-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea

• Date : June 2, 2008 to June 10, 2008


Hotel intercontinental Parnas

• Project : Construction Weltouch® in Parnas Hotel Tower Extension Site

• Place : 521, Teheran-ro, Gangnam-gu, Seoul, Republic of Korea

• Date : February 12, 2014 to February 16, 2014


Courtyard by Marriott (Pangyo Hotel)

• Project : Construction Weltouch® in Courtyard by Marriott (Pangyo Hotel)

• Place : 12, Pangyoyeok-ro 192beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea

• Date : April 24, 2014 to April 25, 2014


GS Gran Seoul(GS E&C new office building)

• Project : Construction Weltouch® in GS Gran Seoul(GS E&C new office building)

• Place : 33, Jong-ro, Jongno-gu, Seoul, Republic of Korea

• Date : December 11, 2013 to December 12, 2013


Expected effect

Expected effectQuality improve

Existing productgeneral textile products

Weltouch®

top-level antibacterial, antiviral, remove odor, etc. effects

Quality improveThe addition of antibacterial, antiviral, remove odor effects

increases the quality of the product.

Due to the increase in the Needs of products with antibacterial effects, products that were not previously associated with antibacterial effects need to be applied to meet the needs of consumers.

Weltouch®, which is already applied in many industries, enables the application of antibacterial and antiviral effects to meet consumer needs.

Unlike conventional antimicrobial agents, it has high durability and remains unremoved even after washing, which reduces the risk of reduce antibacterial performance in the future.As a result, the credibility of the company has increased.

1.

2.

Expected effectIncrease corporate value

Lack of application cases and lack of performance verification in actual application

Weak durability that erases during washing

Report from a general public authority.

Public relations through the press are mainstream

Product that can relieve consumer anxiety in the post covid-19 era.

Product that can be used for a long time to believe its effects

Through collaborating with a number of companies, We having reports verified by numerous authorized

institutions

Have sold to many companies through word of mouth by applied companies.

Weltouch® Existing antibacterial agent

In the post-corona era, the application of Weltouch®, which complements the shortcomings of existing antimicrobial agents, improves the quality of corporate products, forms an image as a product that can be prepared for corona viruses, increases corporate value, and allows consumers to buy products that they can trust and use through application cases.

Reliability

Durability

Certificate

Public relations method

B to C product production focusNumber of inter-enterprise transactions from B to B Experience

Expected effectNo verification required

Has numerous reports, certificates, cases of application to large enterprises, etc. of the effects of Weltouch® on the product

Cost and time savings from verification Sufficient proof of effectiveness when promoting a product

Eliminates the need for separate performance verification procedures

Documents

Weltouch - Clean & Well Pack – Be Clean & Be Healthy