TPE II - 413: TEXTILE PRODUCT EVALUATION II
Lecture 01
                           Course Teacher
                     Dr. Farhana Naeem
                           (Assistant Professor)
             Department of Textile Engineering
20-05-2020     NED UNIVESITY OF ENGINEERING & TECHNOLOGY
                                     Course outline
TPE II - 413: TEXTILE PRODUCT EVALUATION II
•   Qualitative and Quantitative Analysis:
•   Difference between Qualitative and Quantitative analysis; Identification of various fibres viz Cotton, Viscose, Polyester, Wool,
    Acrylic and Nylon by, microscopic viewing, burning, dissolving and staining techniques. Quantitative analysis of common
    blends and Qualitative analysis of damaged cotton.
•   Oil and Water Repellency Tests.
•   Wicking and Wetting of Textiles, Water Proofing, Shower proofing, water and oil Repellency.
•   Flammability Tests:
•   Factor affecting textile Flammability 45O and vertical flammability tester. Flammability regulations.
•   Process and equipment used to determine Dimensional Stability; Factors Affecting Dimensional Stability, Garment and Fabric
    Appearance, Bow and Skewness evaluation.
•   Pilling and Abrasion Tests: Introduction and Factors effecting Pilling and Abrasion and its measurement.
•   Subjective and Objective handle evaluation. Care labels and their importance.
•   Colourfastness Tests.
•   Importance of Fastness properties, Methods and equipment used to determine colour fastness to sun light, Washing,
    Laundering, Dry and Wet, rubbing, Perspiration, Dry cleaning, bleaching, Water, Sea water, Identification of dyes: powder
    form and on dyed fabrics.
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                           COURSE LEARNING OUTCOMES
                             FALL SEMESTER 2020-2021
    CLO
                            Course learning outcome
             1   Evaluate the existing problem related to material, process or machine using
                 standard test procedures.
             2   Analyse test results to verify or improve or modify the material or process in
                 order to meet the customer specification.
             3   Practice standard test procedure under supervision
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                  SESSIONAL CRITERIA*
    Assessment Criteria                       Number                             Week
Open Ended Lab                                     15                          5th Week
Mid Term                                           20                             8th
Class Participation                                05                  Throughout the Session
  * Subject to change as per university policies
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             TEXT/REFERENCE BOOKS
• LIST OF TEXT/REFERENCE BOOKS
• Physical Testing of Textiles by BP Saville
• REFERENCE BOOKS
• ISO, AATCC and ASTM Standards
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             Why we test Textile?
Textile testing is destructive testing, but it
required in;
                                                        Selection Of The
                                             Research
                                                        Row Material
                    Process        Process
               development         control
                                             Product
                                                        Specification Test
                                             testing
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       When       •
                  •
                      At fiber stage
                      At yarn stage
                  •   At fabric stage (weaving, wet processing)
       to Test    •   Finished product stage
       How        • Using Standard Test Procedure
                  • Using Customer Provided Standard
      we test
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             Why to Use Standard Test
                    Procedure
                         Repeatability
                     Reproducibility
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      Standard test Procedures
                                                               AATCC=American
         ISO = International Organization for                   Association of
                   standardization                             Textile Chemists
                                                                 and Colorists
                               AS = Australian                  CAN=Canadian
             ASTM
                                  Standard                        standards
                                                                IHTM= In
     Buyer Specific Methods such as
                                                                house test
        M&S, POMA, K-Mart etc.
                                                                 Methods
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      On Line         • Done during Production
                      • To improve Quality
                      • To produce as per customer
      Testing           Specification
                      • Done by third Party (SGS, ITS, CTL
      Off Line          etc.)
                      • Required by buyer such as Next,
                        Mango, Walmart, ASDA, DESCO
      Testing           etc. to ensure that supplier is
                        producing as per their specification
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      What & WhenTO Test
                                                       Test at final
                                                      stage before
                    Test During
    Test as per                                       sending the
                   production at
     customer                                           orders to
                   each process
   specification                                     customer or to
                       stage
                                                       third party
                                                         testing
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                  Important On Line tests
    Fibre Stage         Yarn Stage                 Weaving Stage    Processing Stage
• Fineness           • Count                     • Ends and Picks   • Pretreatment
• Crimp              • TPM                         per inch           stage
• Length             • Strength &                • Tensile, Tear      (Absorbency,
                       Elongation                  and seam           pH, degree of
                                                   strength           whiteness and
                                                 • Weave type         mercerization)
                                                 • Width of the     • Dyeing/printing
                                                   fabric             (fastness
                                                                      properties)
                                                                    • Finish Stage (
                                                                      functional
                                                                      properties of
                                                                      particular
                                                                      finish)
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        Water Used for Textile Testing
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        Water Used for Textile Testing
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             Conditioning Requirement
    Standard         • Relative Humidity of 65 +/-2%
   Atmosphere        • Temperature of 20°C +/-1°C
                     • ISO 139 (generally Achieve 20 to 24
   Test Method         hours)
                     • AATCC (generally Required 4 hours)
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