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Hong Kong Association for Testing, Inspection and

Certification Ltd.

Professional Certification Scheme for

Testing Personnel

(Textiles and Garments Testing)

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Examination (CTT)

Disclaimer

Criteria, measurement techniques, methods and test standards as stipulated in respective Certification Criteria (CC01-CC06) are official documents. All examination questions are set based on these documents.

All Certification Criteria are available for download from HKTIC’s website www.hktic.org

Scope of Certification

Level

Testing technician (CTT)

Testing professional (CTP)

Scope of textiles and garments testing (TGT) - technique base and selected test standards

Color fastness and care performance (TGT – CA)

Construction and physical performance (TGT – CP)

Fibre analysis (TGT – FA)

Flammability safety (TGT – FS)

CTT : any one of the above

CTP: any two of the above

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Certification criteria

6 Certification Handbooks

CC01 - Chemical testing

CC02 – Construction materials testing

CC03 – Electrical products testing

CC04 – Microbiological testing

CC05 – Textiles and garments testing

CC06 – Toys and hardlines testing

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Certification criteria

Foreword

1- General

2-Scope of Certification

3-Eligibility for Certification

4-Examination Procedure

5-Application procedure for certification/examination

6-Appeal

7-Obligation

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Certification criteria

Appendix 1 Examination Syllabus and Specimen Questions of CTT

Appendix 2 Examination Syllabus and Specimen Questions of CTP

Appendix 3 Training courses approved by Certification Board

Appendix 4 Guidelines for counting CPDUs

Appendix 5 References

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Certification criteria

Foreword

Introduction of professional certification scheme for testing personnel (PCSTP)

Benefits of the scheme

General – define application of the document

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Certification CriteriaRoutes to be Certified

Pass in examination (Scheme)

Diploma in relevant discipline + 2 years

experience

≧10 years of experience

Testing technician

Complete all the required training courses

Certified Testing technician (CTT)

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Certification Criteria

Testing Professional

≧15 years of relevant experience , 5 years of

which shall be at a managerial position

CTT + 5 years of relevant supervisory experience post CTT

Complete all the required training courses

Pass in examination (Scheme)

Professional interview

Certified Testing Professional (CTP)

Bachelor degree in relevant discipline + 3 years relevant experience

HOKLAS AS+ 8 years of relevant

experience

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Certification criteria

HOKLAS approved signatory

with not less than 8 years of relevant experience (total relevant working experience); and

the scope of signatory approval covering the major measurement techniques or methods as stipulated in this Certification Handbook for the sub-category the certification is being sought

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Examination (CTT)

Part A (30/100)

Understanding of ISO/IEC 17025 (10%)

Ethics (10%)

Safety (10%)

Part B (70/100)

Techniques

Equipment

standards

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Examination (CTT)

Time = 120 minutes (2 hours)

Passing marks >=60/100

Questions:

40 multiple choice questions (4 choices)

1.5 marks each

10 short questions

4 mark each

Wrong answer for MC questions, deduce ½ of the mark i.e. 0.75

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Examination (CTT)

Part A MC 1.5@ SQ 4@ Sub-total (marks)

17025 4 1 10

Ethics 4 1 10

Safety 4 1 10

Part B Sub-total 30 (>=12)

Technical 28 7 70

Subtotal 70 (>=28)

Total 40 10 100 (>=60)

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Appendix 1 - CTT

Understanding of ISO17025 (Outline for CTT)

Document control

Verification of critical consumables

Technical records

Environmental conditions and pre-conditioning requirements

Sampling

Traceability of equipment and evaluation tests

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Appendix 1 - CTT

Understanding of ISO17025 (Outline for CTT)

Quality control

Concept of quality control plan

In process control checks to be implemented and their functions such as

control for care performance and color fastness tests

concept of laboratory control sample

replicate analysis

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Appendix 1 - CTT

Management system documents generated by the laboratory should be uniquely identified. What pieces of information, name at least 4, should be included for such identification.

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Appendix 1 - CTT

Laboratory safety (knowledge) General laboratory safety

Health and safety

Personal protection for handling samples and equipment

Precautions in performing flammability tests

Measures in using large and heavy equipment in the laboratory

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Appendix 1 - CTT

What are the duties of employees in a Workplace for

Health and Safety？

(a) Do not obstruct means of escape from a workplace

(b) Ensure exit doors are not locked or fastened

(c )Use protective equipment provided by the employer for

use in manual handling operations

(d) Take reasonable care for the safety and health of other

persons in the workplace

(A) (a), (b) and (c)

(B) (b), (c) and (d)

(C) (a), (c) and (d)

(D) All

Appendix 1 (CTT)

Prevention of Bribery Ordinance, Cap. 201

Corruption

Advantages

Improper influence

Confidentiality and proprietary right

CSTP01 “Regulations – Certification Scheme of Testing Personnel”

Code of ethics in general

Code of ethics in relation to employer

Code of ethics in relation to public

Obligation of Certified Testing Personnel

Use of Certification symbol and claim of certification status19

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Appendix 1 - CTT

According to the Prevention of Bribery Ordinance, name 2 things that are considered as advantages.

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Appendix 1 - CTT

Understanding on test standard and measurement techniques

Understanding of terms used for textiles and garments

Specimen preparation

Sample conditioning requirements

Knowledge of one sub-category as defined in Appendix 5

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Appendix 1 - CTT

Knowledge on general equipment and specific equipment

Concept of calibration and performance check

Length measurement

Cutting die

Temperature and humidity monitoring device

Selection of appropriate equipment in meeting the accuracy of the tests

Use of equipment for one sub-category as defined in Appendix 6

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Appendix 5 – sub-category

Color fastness and care performance tests

Knowledge on requirements of one of the two mandatory standards (ISO or AATCC and ASTM) for the following:

Colour Fastness Assessment, e.g. Light, Washing, Dry-cleaning, Hot Pressing, Perspiration, Water, etc.

Controls used for different visual tests

Care Performance Tests, e.g. Dimensional Stability to and Appearance after Washing

Assessment methods and related requirements of assessment room or chamber

Recording of results

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Appendix 5 – sub-category

Construction and physical performance Tests

Knowledge on requirements of one of the two mandatory standards (ISO or AATCC and ASTM) for the following:

Construction Tests for Fabric, e.g. Fabric Weight, Density, Yarn Size

Strength and Durability Tests, e.g. Tensile, Tear, Abrasion Resistance

Performance Tests required Visual Grading, e.g. Pilling Resistance, Snagging Resistance, etc.

Other Performance Tests, e.g. Air permeability, Water Repellency and Resistance, etc.

Knowledge on the above tests and factors affecting the results

Number of determinations required

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Appendix 5 – sub-category

Fibre analysis

Knowledge on requirements of the mandatory standards ( AATCC 20/20A) for the following:

Test Methods of Qualitative and Quantitative Analysis of Fibres and Blends

Extract Solvents of Textile Materials

Moisture Regain Determination

Types of fibres and expected results of solvent tests of different fibre type

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Appendix 5 – sub-category

Flammability safety

Knowledge on requirements of the mandatory standards (CFR (1610/1615/1616/1630/1631) and ASTM for the following:

Flammability Tests for Textile and Garments

Flammability Tests for Carpet and rug

Pre-conditioning requirements and requirements of testing chamber

Number of determinations and pre-treatment such as drycleaning for different test standard

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Appendix 6 - Equipment

Color fastness and and care performance tests (as an example)

Crockmeter

Drycleaning Cylinder

Fade-o-meter

Perspiration Tester

Wascator

Washer

Wira Steam Cylinder

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Appendix 6 – Equipment

Construction and Physical Performance Tests

Abrasion Tester (Inflated Diaphragm)

Abrasion Tester (Martindale)

Bursting Tester

Elmendorf Tearing Tester

Rain tester

Spray tester

ICI Pilling Box

Random Tumbler

Tensile tester

Temperature and humidity monitoring device

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Appendix 6 – Equipment

Fibre analysis

Microscope

Balance

FTIR

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Appendix 6 – Equipment

Flammability Safety

Flammability Tester (CFR1610)

Flammability Tester (CFR1615)

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Specimen questions

Color fastness and care performance

According to AATCC 135, which of the followings are the ballast used for the test?

A Bleached cotton sheeting (Wash load ballast type 1)

B 50/50 polyester/cotton bleached plain weave (Wash load ballast type 3)

C 100% polyester knitted fabric

D A + B

Please state the specification of the Crockmeter Test Cloth for color fastness to crocking (AATCC 8).

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Specimen questions

Construction and Physical Performance Tests

According to AATCC 22-2005 (water repellency test), which of the following is correct temperature of distilled water?

a. 21 ± 1ºC

b. 25 ± 1ºC

c. 7 ± 1ºC

d. Room temperature

How to mount the specimen into sample holder?MODIFIED MARTINDALE METHOD (ISO 12945-2)

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Specimen questions

Color fastness and care performance

According to EN 12127:1997, which of the following is correct drying temperature?

95 ± 3ºC

100 ± 3ºC

105 ± 3ºC

110 ± 3ºC

Please state the summary of 16 CFR Part 1610

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Specimen questions

Fibre Analysis Which of the following belongs/belong to vegetable

fibres?

(1) Cotton

(2) Hemp

(3) Linen

(4) Ramie

A. (1) only

B. (1) and (2) only

C. (2) and (3) only

D. (1), (2), (3) and (4)

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Specimen questions

Fibre Analysis

Briefly describe the steps for determining of moisture content in accordance with AATCC 20A-2010.

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Specimen questions

Flammability

Which of the below sleepwear garments should comply to the 16 CFR Part 1615 flammability requirements?

A. Loose-fitting Children's sleepwear

B. Loose-fitting Adult's sleepwear

C. Tight-fitting Adult's sleepwear

D. Infant garments size 9 months or smaller

Please state the summary of 16 CFR Part 1610 flammability test of clothing textiles.

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Specimen questions

Equipment

Which daily check(s) should be implemented for balance? Suggest the criteria for the daily check of a 3-digit balance with normal working range from 1 g to 200g.

END OF SESSION

Thank you

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Examination (CTP)

Part A (50%)

ISO/IEC 17025 + quality control (15%)

Ethics (10%)

Safety (5%)

Management (10%)

Measurement Uncertainty (10%)

Part B (50%)

Reporting, test standards and techniques

Equipment

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Examination (CTP)

Time = 180 minutes (3 hours)

Passing marks >=60/100

Questions:

30 multiple choice questions (4 choices)

1 mark each,

Wrong answer for MC questions, deduce ½ of the mark i.e. 0.5

6 short questions

5 mark each

2-3 long questions

2 x10 marks

1 x 20 marks

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Examination (CTP)

Part A MC 1@ SQ 5@ LQ (10-20) Sub-total (marks)

17025/quality 5 2 15

Ethics 5 1 10

Safety 5 5

Management 1 x 10 10

Uncertainty 5 1 10

Part B Sub-total 50 (>=20)

Technical 10 2 1 x 20, 1 x10

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Subtotal 50 (>=20)

Total 30 6 100 (>=60)

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Appendix 2 – CTP

Management requirements

Management skills

Manager’s Basic Functions

Time Management

Communication in Your Workplace

Team Building – Basic understanding of concepts

Delegation and Management of Generation Y

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Appendix 2 – CTP

You heard a loud noise and realize that one of your staff is pointing her finger at another staff. They were blaming each other for over looking a client’s request for a particular lab test, as a result the client file a complaint to Customer service department. The female staff is the supervisor and she complains that the other staff never read the request carefully, and is not the first time he overlooked the client’s request.

What will you do and what will be your concerns? What will be the worst case scenario for this situation? What will be your best case scenario in this case?

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Appendix 2 – CTP

Laboratory Management (Detailed Knowledge in the following aspects)

Document control

Review of contract

Subcontracting

Verification of critical consumables e.g.

chlorine content of hypochlorite; size and mass to area ratio of dummy loading fabrics

Difference between correction and corrective actions and control of non-conforming work

Preventive actions

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Appendix 2 – CTP

Technical records – test result, verification records, etc.

Environmental and sample conditioning requirement

Traceability (acceptable control for visual assessment)

Traceability (equipment)

Sub-sampling requirements

Sample identification and integrity within the laboratory

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Appendix 2 – CTP

Quality assurance procedures and plan

control for care performance and color fastness tests

identification of suitable laboratory control sample

Method verification

Minimum method verification such as precision criterion for different textiles and garments encountered

Participation in proficiency testing programme

Continuing competence

Statistical treatments of data and quality control requirement (detailed knowledge)

Basic statistics such as student-t test, Q test, normal

distribution and standard deviation

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Appendix 2 – CTP

Define corrective and preventive actions and illustrate their difference with an example.

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Appendix 2 – CTP

Laboratory safety (knowledge)

General laboratory safety

Health and safety

Personal protection for handling samples and equipment

Precautions in performing flammability tests

Measures in using large and heavy equipment in the laboratory

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Appendix 2 – CTP

Laboratory safety (knowledge)

Guidebooks from Labour Department of HKSAR

A brief guide to first aid

A brief guide to the Occupational Safety and Health Ordinance

A brief guide to the Occupational Safety and Health Regulation

Code of practice on safety management

Guidelines for good occupational hygiene practice in a workplace

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Appendix 2 – CTP

What are the factors affecting the selection of fire extinguisher?

Personnel must be trained in the use of extinguishers

Size and mass of the fire extinguisher

The minimum distance of travel

Environment for installing fire extinguisher

(A) (a), (b) and (c)

(B) (a), (b) and (d)

(C) (a), (c) and (d)

(D) (b), (c) and (d)

Appendix 2 (CTP)

Prevention of Bribery Ordinance, Cap. 201

Corruption

Advantages

Improper influence

Confidentiality and proprietary right

CSTP01 “Regulations – Certification Scheme of Testing Personnel”

Code of ethics in general

Code of ethics in relation to employer

Code of ethics in relation to public

Obligation of Certified Testing Personnel

Use of Certification symbol and claim of certification status51

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Appendix 2 - CTP

According to the Prevention of Bribery Ordinance, name 2 things that are considered as advantages.

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Appendix 2 – CTP

Estimation of Measurement Uncertainty

Estimation of measurement uncertainty

Approaches for estimation of measurement uncertainty e.g. ISO GUM, EURACHEM

Factors affecting measurement uncertainty

Reporting of uncertainty and compliance

Verification system of color fastness and care performance tests and uncertainty in relation to such tests

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Appendix 2 – CTP

Define experimental standard deviation of mean and what is the related standard uncertainty?

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Appendix 2 – CTP

Interpretation of results and reporting requirements (detailed knowledge)

Repeatability

Number of significant figures

Reporting format as stated in test standard

Deviations from test standards

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Appendix 2 – CTP

Requirements of the following general equipment calibration:

Length measurement devices

Temperature and humidity measuring devices

Equipment of any two sub-categories as specified in Appendix 6

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Appendix 2 – CTP

Basic laboratory techniques and principles

Importance of sample conditioning

How water regain affect the result

Terms used for textiles and garments

How the construction of fabric affecting the results

Types of dyes and ease of fastness of different color dyes (knowledge)

Types of fabric commonly used for different garments and their properties

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Appendix 2 – CTP

Detailed knowledge of principles, limitations and requirements of any two of the sub-categories as given Appendix 5.

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Appendix 2 – CTP

Please state the test principle of Tear strength (Elmendorf Tear). What are the most common methods for tear strength? Please state the method applications.

END OF SESSION

Thank you

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