Hong Kong Association for Testing, Inspection and Certification Ltd.

Transcription

1 Hong Kong Association for Testing, Inspection and Certification Ltd. Professional Certification Scheme for Testing Personnel (Textiles and Garments Testing) 1

2 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 2

3 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 3

4 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 4

5 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 5

6 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 6

7 Certification criteria Foreword Introduction of professional certification scheme for testing personnel (PCSTP) Benefits of the scheme General define application of the document 7

8 Certification Criteria Routes to be Certified Testing technician Diploma in relevant discipline + 2 years experience 10 years of experience Pass in examination (Scheme) Complete all the required training courses Certified Testing technician (CTT) 8

9 Certification Criteria Testing Professional Bachelor degree in relevant discipline + 3 years relevant experience CTT + 5 years of relevant supervisory experience post CTT HOKLAS AS+ 8 years of relevant experience 15 years of relevant experience, 5 years of which shall be at a managerial position Pass in examination (Scheme) Complete all the required training courses Professional interview Certified Testing Professional (CTP) 9

10 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 10

11 Examination (CTT) Part A (30/100) Understanding of ISO/IEC (10%) Ethics (10%) Safety (10%) Part B (70/100) Techniques Equipment standards 11

12 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

13 Examination (CTT) Part A MC 1.5@ SQ 4@ Sub-total (marks) Ethics Safety Part B Sub-total 30 (>=12) Technical Subtotal 70 (>=28) Total (>=60) 13

14 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 14

15 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 15

16 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. 16

17 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 17

18 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 18

19 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 status 19

20 Appendix 1 - CTT According to the Prevention of Bribery Ordinance, name 2 things that are considered as advantages. 20

21 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 21

22 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 22

23 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, Drycleaning, 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 23

24 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 24

25 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 25

26 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 26

27 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 27

28 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 28

29 Appendix 6 Equipment Fibre analysis Microscope Balance FTIR 29

30 Appendix 6 Equipment Flammability Safety Flammability Tester (CFR1610) Flammability Tester (CFR1615) 30

31 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). 31

32 Specimen questions Construction and Physical Performance Tests According to AATCC (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 ) 32

33 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 33

34 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) 34

35 Specimen questions Fibre Analysis Briefly describe the steps for determining of moisture content in accordance with AATCC 20A

36 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. 36

37 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. 37

38 END OF SESSION Thank you 38

39 Examination (CTP) Part A (50%) ISO/IEC quality control (15%) Ethics (10%) Safety (5%) Management (10%) Measurement Uncertainty (10%) Part B (50%) Reporting, test standards and techniques Equipment 39

40 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 short questions 5 mark each 2-3 long questions 2 x10 marks 1 x 20 marks 40

41 Examination (CTP) Part A MC 1@ SQ 5@ LQ (10-20) Sub-total (marks) 17025/quality Ethics Safety 5 5 Management 1 x Uncertainty Part B Sub-total 50 (>=20) Technical x 20, 1 x10 50 Subtotal 50 (>=20) Total (>=60) 41

42 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 42

43 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? 43

44 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 44

45 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 45

46 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 46

47 Appendix 2 CTP Define corrective and preventive actions and illustrate their difference with an example. 47

48 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 48

49 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 49

50 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) 50

51 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 status 51

52 Appendix 2 - CTP According to the Prevention of Bribery Ordinance, name 2 things that are considered as advantages. 52

53 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 53

54 Appendix 2 CTP Define experimental standard deviation of mean and what is the related standard uncertainty? 54

55 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 55

56 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 56

57 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 57

58 Appendix 2 CTP Detailed knowledge of principles, limitations and requirements of any two of the sub-categories as given Appendix 5. 58

59 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. 59

60 END OF SESSION Thank you 60