Carpet & Textile Testing II

Terms and definitions used in mechanical strength testing of textiles, Factors affecting the tensile properties of yarn, Classification of tensile strength testing machines based on operating principles (CRE, CRL & CRT): Brief Description and principle involved in working of a) Lea Strength tester b) Tensile Tester operating on Strain Gauge principle. Fabric tensile testing: Sample preparation – Strip Test & Grab Test, Fabric Tear and bursting strength testing

Terms & definitions related to Air permeability of fabric, Measurement of Air permeability using Shirley Air Permeability Tester, Brief idea on thermal properties of fabric. Terms & definitions related to Water proofing property of textile materials, Methods of testing: (i) Spray Test ii) Bundesman’s Water repellency test iii) Drop penetration test, fabric wetting property, Wicking property, waterproof breathable fabrics. Flammability testing: Terms and definitions related to flammability of textiles; Determination of flammability of fabric.

Serviceability, Wear and abrasion resistance testing: Principles of testing of abrasion resistance testing; factors affecting abrasion resistance: Brief description of Martindale Abrasion Tester: Pilling Tests: Assessment of pilling of fabric using ICI pilling box. Salient features of FAST system, KESF system.

Brief description and operating principle of following carpet testing equipment’s like Dynamic loading machine, Carpet Static Loading Device, Pilfuz Carpet Tester, Usometer, Hexapod Tumble Tester, Roller Chair Testing Device.

Relevance of testing of functional properties of carpets like – Appearance retention, Carpet durability including soil ability, other properties like insulation, acoustic, electrostatic properties etc.,