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Showing posts with label denim manufacturing. Show all posts
Showing posts with label denim manufacturing. Show all posts
Saturday, 28 May 2011

Some Notes on Denim Washing

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There are four main processes in the Denim washing - Pretreatment - Stone or Enzyme Wash- To adjust the surface effect - Bleaching- To adj...
Saturday, 20 February 2010

What is Coated Denim

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One reader has asked about coated denim. Such jeans have a coating that feels like as if the cotton of the denim is waxed. If black in col...
Sunday, 26 July 2009

Denim Produced from Your Torn Jeans

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There is a patent document which claims that the denim fabric can be produced from waste denim yarn. In this fabric 40%-100% of waste fiber...
Monday, 27 April 2009

Tsudakoma ZAX- Settings for standard Denim

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Tsudakoma-ZAX Loom Settings for 14.5 Oz/Sq yd OE/OE Denim (EPI x PPI = 64 x 37) count (6s x 7s) Back Rest- 125 mm (vertical) -16th mark ( h...
Saturday, 25 April 2009

Critical Process Parameters- Denim Manufacturing

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Critical Process Parameters- Denim Manufacturing Warping: Machine Speed m/min= 600+-50 Tension on individual thread ( cN) 90+-30 Warping br...

Finished Properties of some Common Denim Fabrics

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New Page 1 Ideal Weight 14.5 Oz/Sq yd 13.75 oz/sq yard 12.5 oz/sq yard Warp Count (Washed) 6.9 +-0.6 6.9+-...

Denim of Polyester Cotton Blend

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In such denims, the polyester used in warp is kept low about 20-25%, because the blend is harder to dye than cotton . Polyester can be used ...
Monday, 16 March 2009

Receipes for different shades of Denim

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Receipes For Different Shades on Denim A) Black-on-Black Black-on-Blue Recipe Liquid Sulphast Black= 200 gpl Sodium Sulphide= 20 gpl Sandozo...
Wednesday, 17 December 2008

shrinkage norms for 14.5 oz. denim

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Length wise shrinkage--> after 3rd wash---> -1.2% to -2.8% Width wise shrinkage --> after 3rd wash--> -2.5% to -3.5%

Hard waste % in denim industry

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Hard Waste % in Denim Industry Warping--> 0.7% Unsized Yarn--> 0.4% Sized Yarn--> 0.6% Fringe--> 1.7% All these  above are perce...
Tuesday, 21 October 2008

warp preparation for rope dyeing-1

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Warp Preparation Requirements for Rope Dyeing Ball Warping: Equipment required to form the rope of yarn. It involves creeling multiple ends ...
Saturday, 24 May 2008

cotton Characteristics

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Cotton The botanical name of cotton is Gossypium. It has four varieties a. G. Arboreum, G. Herbaccum- Old world cotton, native of Asia and I...

Denim Specification Sheet

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Friday, 23 May 2008

Effluent treatment in denim industry

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Denim Effluent Characteristics -Dark Blue Indigo color -High Dissolved Solids ( Decomposed products of hydro) -High Chemical Oxygen Demand (...
Thursday, 22 May 2008

Integrated Finishing for Denim- my Notes

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Preshrinking of Textile Fabrics- or compressive shrinkage Shrinkage can be - Natural Wash shrinkage - When the fibres swell in the p...

Balancing of a spinning line for denim Manufacturing

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Wednesday, 21 May 2008

Critical Consumable Item List in Denim Industry

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1. Vat Indigo dye 2. NaoH--> flake, lye 3. Na2SO4 4. Dispersing Agent 5. Wetting Agent 6. Potessium persulphate 7. Thin boiling Starch 8....

Vendor Rating for Yarn Supplier for Denim

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For 7s count Evaluated at the end of 6 months Weightage Quality=50%,Price=30%,Delivery= 20% I. Quality CSP >1900=4, 1800-1899=3, 1700-179...