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Textile Notes related to fiber, yarn, fabric knowledge, spinning, weaving, processing, projects, knitting, Indian Traditional Textiles and denim manufacturing
Saturday, 25 December 2010
What is Eli Twist Yarn
Thursday, 14 October 2010
Queries from the Readers
I am normally asked questions from readers, the exact answer to which I am unable to provide.
I have decided to post these questions so that you can help, by giving answer in the comments.
Here are two of the questions:
1. Using Fiber Reactive Dyes on Silk:
| I am a Silk Artist and work with pure silk (silk habotai). I've used silk paints all this time and now have decided to use dyes instead. However 'Silk Dyes' are not available where I live and therefore I use Fibre Reactive Dyes. Firstly I used Reactive Dyes with Soda Ash according to the cold water method and found out that it takes off the sheen of the silk and also that it is not very practical for the 'painting' (direct application' method). So I followed the instructions given in Paula Brich's website and used reactive dyes as an acid dye by heating with vinegar. The effect is really wonderful and the colours are so vibrant. but the problem is with the wash fastness: colour washes off even after 10 washes. I would very much appreciate if you could shed some light on how I could use fibre reactive dyes as acid dyes on silk effectively. 2. Getting the Exact Blend in Polyester and Cotton I am government supplier so i have to give excat specification fabric as per tender.I have to give Blend 65% Polyester & 35% Cotton or PV Fabric & width 47" Weight 90gram+ per meter. But the problem i am facing is in India mostly 70:30 P/C Yarn is available so i cant supply. So please suggest what i should use in warp & weft(eg:100%cotton warp & weft 80:20 PC)to maintain average blend excat 65:35 P/C or P/V whichever is cost effective at both grey & processing stage. So i just want blend 65:35 P/C or P/V weight 90gram+ as per width 47". Count& rid/pick doesnt matter. So please suggest as soon as possible which is cheapest way. Incidentally it is the 400th Post. I thank you all for the support and encouragement you have provided |
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Wednesday, 29 September 2010
Common Parameters measured in Silk Yarn
Common Parameters measured in a Silk Yarn: An Example
Direction of Twist: S
Average Twists Per Metre: 691.4 Turns
C.V.Twist: 3.09 %
Percentage of Twist Deviation: 1.23 %
C.V.Size: 4.18%
Cleanness: 98.2 Percentage
Neatness: 96.15Percentage
Tenacity: 3.89 Grans/Denier
Elongation: 19.2%
Average Moisture Regain: 10.99%
Grade:***
Circumference of the Swift:*** Inches
Skein Weight: about 500 grams
To know more about these tests you can click here.
General Denier Qualities in Mulberry Silk
14/16,16/18,18/20,20/22
General Norms for Organzine Twist
z800- Z direction Twist, No. of twists per meter-800
s850- s direction twist, No of twists per meter- 850
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Monday, 13 September 2010
Difference between Tabby Silk and Habutai
Both are plain weave Mulberry silk. Tabby silk is lighter weight of 20 grams. whereas Habutai starts from 40 grams silk and become heavier.
Sunday, 12 September 2010
Puff Printing
Watch these Videos on Puff Printing
Here is the industrial version of it:
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Heat Transfer Printing
Watch this amazing video on Heat Transfer Printing
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Water Based Vs. Plastisol Pigment Printing Inks
Saturday, 11 September 2010
What is High Density Printing
What is Glitter Printing
Glitter Printing
Glitter printing enables the fabric to show glittering granules on the fabric. For this Glitter powder is used.
Glitter Powder is generally PET with size of 1/8" to 1/256". It is cut into square and hexagon shape. It is available in metallic, rainbow, laser and iridescent colors. Generally it comes in 25 kg bag. A typical glitter power substance is heat resistant to 170 degree celcius and is acid and alkaline proof. The picture of the glitter powder is as given below:
To Print, first glitter paste is prepared. Glitter powder is added in the Glitter ink, under stirring slowly to avoid lumb formation. Glitter ink is made of acrylic co-polymer. Then it is screen printed using Bull nose squeegee (You can read an excellent manual on squeegee here.) The mesh size should not be more than 20 T (An excellent premier on mesh size can be read here).
One can get an idea of the prices of the chemicals used for glitter printing here.
Source of Picture: http://www.ampmerch.com
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What is Foil Printing
Jala(Jaala) and Adai
Jala and Adai Mechanisms are used in Indian Traditional Saris. They are a close substitute for jacquard machine for weaving intricate designs. Both extra warp and extra weft figuring is possible with these mechanisms.
However there is a basic difference between the two. The following points highlight those. They also talk about some of the distinctive features of Kanchipuram Saris
• In Varanasi Sari, Extra warp and extra weft patterning is done by means of a Jaala, in Kaanchipuram it is done with the help of an adai.
• Separate adai have to be prepared for extra warp border designs, crossborder designs and for body butas. Crossborder is used to refer to the extra weft ornamentation done across the width of the sari to mark the end of its length.
•Solid coloured borders with extra warp patterning and solid colored pallu with extra weft pattern form the distinctive feature of the saris from Kanchipuram. The meaning given to the term solid is that both warp and weft are of the same color. The warp is made of 2 ply 20-2 denier filature silk, weft of 2 ply twisted 2-=2 denier charkha silk, while 3 ply pure gold/metallic yarn/zari is used for extra warp patterning.
•Jaala mechanism leads to more ornamentation that adai mechanism.
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Count and Denier Made Simple
Sunday, 5 September 2010
How to Identify Fekwa ( Fekva), Katrawan and Kardhwan Techniques and Designs
Saturday, 4 September 2010
Chikankari Stitches- Murri, Ghas Patti, Pechni
There is an amazing report on the process of Chikankari done by Ms. Neha Sharma of NIFT Mumbai. I am reproducing the various stitches representing Chikankari. The source is given below.
1. In Chikankari untwisted thread of cotton or tussar is used
2. The process of Embroidery is as follows
a. Cutting
b. Stitching
c. Stitching
d. Printing
e. Embroidering
f. washing
Printing is done with Synthetic Indigo and emulsion of synthetic gum.
There are three types of embroideries
1. Flat Stitches
a. Tepchi
This is a running Stitch
b. Janjira
Chain stitch is used as the outline
c. Khatao
White on White Applique work, gives different opacity
d. Rahet
It is a stem stitch worked with six threads on wrong side of the fabric. Forms a solid line of back stitch on the right side of fabric.
e. Gitti
Mainly blanket stitch with buttonhole stitch is done to create circular pattern in the form of wheel like motif.
f. Turpai and Darzdari
2. Embossed Effect
g. Murri
Oval Shaped French knot
h. Phanda
i. Ghas Patti
3. JAALI
j. Jaali
k. Hool
Fine detached eyelet stitch.
Source: Please click here or get it from here.
Thursday, 2 September 2010
What is Tapestry Weave
Tapestry is the name given to a weave in which two basic principles are found at play:
1. The hiding of the warp with a closely packed weft to secure solid planes of color.
2. Weaving of independent weft each confined to its own area within any given pick.
The places where the two colors junction intermingle, any one of the following methods may be employed:
If the two weft picks interlock each other, it is called interlock.
If the interlocking is on alternate rows it is called single interlock.
If it is practiced on each row it is called double interlock.
If the two weft picks interlock around a common warp without simultaneously interlocking with each other, it falls within the category of dovetail tapestry.
If there is no interlocking at color junction this is called slit tapestry or Kilim.
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More about Silkworms and Silk fiber- Mulberry, Muga, Tasar and Eri
Difference between Throw Shuttle and Fly Shuttle Looms
The throw shuttle is a loom in which the shuttle is thrown across the shed by hand. In a fly shuttle loom, the shuttle is sent across the shed by means of a mechanical picker. This is an improved type of loom, which increased three to four times the production of the weavers. It has all the advantages of the throw shuttle, except for, weaving intricate extra weft patterns. http://mytextilenotes.blogspot.com
Wednesday, 1 September 2010
Quest for the sparkling white cotton - Home - livemint.com
India’s finest variety, the low-yielding Suvin, has all the right properties, but its production has dropped sharply—from 10,000 bales in 2006-07 to 2,000 bales last year—because of high production costs,
Quest for the sparkling white cotton - Home - livemint.com
On the CIE Index, an international standard for whiteness, Indian cotton fabric achieves a rating of 145; American and Egyptian fabric, by comparison, achieve ratings of 155 and 160, respectively. The gap may not sound massive, experts say, but visually the difference is huge, leading to the lower-rated cloth being rejected as inferior.
Tuesday, 31 August 2010
Some More Notes on Ajrakh
1. True Ajrak or Ajrakh is only worn by men
Image Via Indianetzone.com
2. Ajrak printing can be applied to one side of the cloth called Ekpuri. Bipuri is double sided printing.
3. As these designs conform to Islamic design principles, they must not depict human or animal figures.
4. Saudagiri is the most highly documented genre of block design.
5. Riyal are those designs in Ajrak which are built around circular motifs.
6. True Ajrakh blocks are square, must matchup on all four sides, and also reflect to allow the reverse of the cloth to be printed.
7. Simples form of Ajrak has only one shade of red and blue. To apply additional shades of red, blue, yellow and green is called Meenakari.
You can read a brief description of the Ajrakh process here.
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Monday, 30 August 2010
Difference among Lycra, Spandex and Elastane
"LYCRA® is DuPont's brand of elastane, or spandex. The word "spandex" is used only in the United States while "elastane" is recognized worldwide, so we tend to use the more widely known term."
Difference among Chiffon, Crepe, Crepe-de-Chine, Georgette, Organza,
Understanding Silk Fabrics: Organza, Chiffon, Crepe, Georgette, Crepe de Chine and Momme Weight
Silk fabrics are admired for their beauty, softness, sheen, drape, and elegance. However, not all silk fabrics behave in the same way. Some are crisp and transparent, some are soft and flowing, some have a pebbled surface, while others are sheer but comparatively stronger.
This article explains some important silk fabrics such as organza silk, chiffon silk, crepe fabric, crepe silk, crepe de Chine, georgette silk, and Kashmere silk. It also explains the meaning of momme weight, which is commonly used to describe the weight of silk fabrics.
Many silk fabrics differ not only because of the fibre used, but also because of yarn twist, weave structure, fabric weight, and finishing. For example, chiffon, georgette, and crepe may all be made from silk, but their appearance and handle are different because of the twist and arrangement of yarns.
1. Organza Silk
Silk organza is a sheer, thin, open-weave fabric. It is heavier and crisper than silk gauze. It has a smooth, flat finish and is known for its stiffness, transparency, and structural quality.
The crispness of organza comes mainly from the use of tightly twisted yarns. Organza is usually made in a plain weave. The yarns may have around 10 to 20 turns per inch, giving the fabric its firm and wiry handle.
Organza is similar to cotton organdy in appearance, but organza is made with silk and is transparent. Because of its crisp drape, it is often used where volume, stiffness, or a transparent layer is required.
Common Uses of Organza Silk
Organza is used for veils, undergowns, bridal wear, evening dresses, overlays, decorative panels, and as a base fabric for embellishment. In Indian textiles and fashion, organza is also seen in sarees, dupattas, embroidered panels, and festive garments where a crisp transparent appearance is desired.
Organza requires careful sewing. Since it is transparent, seams, facings, hems, and stitching lines may be visible from the outside. This is why finishing techniques become very important when stitching organza garments or saree blouses.
2. Chiffon Silk
The word chiffon literally means “rag” in French, but in textile usage it refers to an elegant, sheer, lightweight fabric with a soft and graceful drape.
Chiffon has a soft, supple, thin hand and a slightly crepe-like texture. It is generally made using a loose plain weave and tightly twisted single crepe yarns in both warp and weft.
Chiffon may be made from silk, cotton, nylon, polyester, rayon, or other fibres. However, silk chiffon is especially valued for its delicate appearance, lightness, and fluid fall.
Texture and Appearance of Chiffon
Chiffon is very light and diaphanous. It is sheer, delicate in appearance, and slightly rough to the touch because of the crepe yarns. Although it looks delicate, it can be a relatively strong and balanced fabric when properly woven.
The characteristic fine wrinkles in chiffon are created by the highly twisted yarns. In chiffon, the weft yarn may be either S twist or Z twist. This twist gives the fabric its soft crepe-like surface.
Common Uses of Chiffon
Chiffon is used for dresses, blouses, dupattas, scarves, millinery, lampshades, bridal gowns, evening wear, formal wear, nightgowns, and linings. In Indian garments, chiffon is very popular for sarees and dupattas because it falls softly around the body and gives a light, elegant appearance.
Chiffon is difficult to cut and sew because it is light, slippery, and delicate. It may shift while cutting and may fray during stitching. Gentle handling and careful finishing are necessary.
3. Crepe Fabric
Crepe is a fabric characterized by a crinkled, puckered, pebbly, or rough surface. This surface effect is usually produced by using highly twisted yarns, especially in the weft, and sometimes in the warp or in both directions.
Crepe is usually made with a plain weave, although crepe effects can also be produced in other structures. The fabric may be soft and pliable, and its surface may range from fine and flat to rough, pebbled, mossy, or even bark-like.
Crepe fabrics can be made from natural fibres such as silk, cotton, and wool, as well as man-made fibres such as rayon, polyester, and nylon.
Why Does Crepe Have a Crinkled Surface?
The crinkled texture of crepe is mainly due to the use of high-twist yarns. When these yarns are woven and later finished, the twist tends to contract and create an irregular surface. This gives crepe its characteristic grainy or pebbled appearance.
Crepe is not one single fabric. It is a family of fabrics with a creped or crinkled surface. Crepe may be made from silk, polyester, rayon, cotton, or other fibres. Therefore, the word “crepe” describes the surface character more than the fibre itself.
4. Crepe Silk
Silk crepe is a luxurious silk fabric with a good sheen and a pebbly texture. This texture is obtained by using high-twist yarns.
Silk crepe has a beautiful drape and is widely used for dresses, slacks, skirts, lightweight suits, bridal gowns, and evening wear. It combines elegance with movement, making it useful for garments that need both fall and refinement.
In sarees, crepe silk gives a fluid drape and a slightly textured surface. It is often preferred where a graceful fall and subtle surface interest are desired.
5. Crepe de Chine
Crepe de Chine, pronounced “krape dee sheen,” is a French term meaning “crepe from China.” It is similar to silk crepe, but it is usually lighter in weight and less heavily textured.
Crepe de Chine is made with highly twisted S and Z filament yarns alternating in the weft, along with a normally twisted filament warp. This construction gives it a matte surface and a fine pebbled texture.
The surface of crepe de Chine reflects tiny points of light, giving the fabric visual depth and a refined appearance. It is known for its pleasing drape, durability, and good wrinkle resistance.
Common Uses of Crepe de Chine
Designers use crepe de Chine for elegant slacks, skirts, dresses, suits, blouses, scarves, and evening wear. It is lighter and smoother than many heavier crepes, making it suitable for garments where softness and elegance are important.
6. Crepe and Georgette Yarn
Crepe and georgette effects depend strongly on yarn twist. A crepe or georgette yarn is usually a highly twisted yarn, often with around 2000 to 3600 twists per meter. It may be made of two threads of raw silk.
A crepe yarn may generally have around 1200 to 4000 twists per meter. Such highly twisted yarns are used to produce crepe effects in woven or knitted fabrics.
Twist direction is often described as S twist or Z twist. The controlled use of S and Z twist yarns helps create balance, texture, and the characteristic crepe or georgette surface.
7. Georgette Silk
Silk georgette is a fine, lightweight, plain-weave crepe fabric. It usually contains two highly twisted S yarns and two highly twisted Z yarns arranged alternately in both warp and weft.
Georgette is made from crepe yarn and has a grainy texture, sheer appearance, and a thin, dry hand. It is heavier than chiffon and is similar to silk crepe, but it is usually not as soft or lustrous as crepe.
Georgette is durable, but it can snag easily. It drapes very fluidly and falls into soft ripples, making it suitable for garments that need movement and flow.
Common Uses of Georgette Silk
Silk georgette is used for blouses, bias-cut flared skirts, dresses, evening wear, scarves, and sarees. It is also useful where a fabric must be sheer but slightly stronger and heavier than chiffon.
Georgette does not show pin marks easily and does not hold a sharp crease. However, it is relatively difficult to sew because of its light, creped, and fluid nature.
8. Kashmere Silk
Kashmere silk is a silk fabric made with a 2/1 right-hand twill weave. This weave structure gives the fabric a soft finish.
The twill weave creates a subtle diagonal effect and a smoother surface than plain weave fabrics. Such fabrics may be valued for softness, drape, and comfort.
Needs source verification: The term “Kashmere silk” may be used differently in different trade contexts. It is useful to verify whether the term refers strictly to a particular weave, a trade name, or a regional naming practice.
9. Momme Weight in Silk
Momme, often written as mm, is a traditional unit used to describe the weight of silk fabric. One momme is approximately equal to 3.62 grams per square yard or about 4.33 grams per square meter.
In simple terms, a higher momme value means a heavier silk fabric, while a lower momme value means a lighter silk fabric.
Approximate Momme Weight of Common Silk Fabrics
| Silk Fabric | Approximate Momme Weight | General Character |
|---|---|---|
| Organza | 4 to 6 mm | Very light, crisp, sheer, stiff |
| Chiffon | 6 to 8 mm | Light, sheer, soft, flowing |
| Georgette | 8 to 12 mm | Sheer, grainy, heavier than chiffon |
| Crepe de Chine | 12 to 18 mm | Smooth, fine crepe texture, elegant drape |
In increasing order of weight, these fabrics may be broadly arranged as:
Organza < Chiffon < Georgette < Crepe de Chine < Crepe
Momme weight is especially useful when comparing silk fabrics for sarees, scarves, bridal wear, linings, and luxury garments. A lighter momme gives transparency and delicacy, while a heavier momme gives better body, durability, and fall.
10. Comparison of Organza, Chiffon, Georgette and Crepe de Chine
| Fabric | Transparency | Handle | Drape | Surface Texture | Typical Uses |
|---|---|---|---|---|---|
| Organza | Very sheer | Crisp and stiff | Structured | Smooth and flat | Veils, overlays, undergowns, embellished sarees, bridal wear |
| Chiffon | Very sheer | Soft and delicate | Flowing and limp | Slightly crepe-like | Sarees, dupattas, scarves, blouses, evening dresses |
| Georgette | Sheer | Dry and grainy | Fluid with soft ripples | Grainy crepe surface | Sarees, blouses, dresses, scarves, flared skirts |
| Crepe de Chine | Less sheer than chiffon | Smooth and refined | Soft and graceful | Fine pebbled texture | Dresses, suits, scarves, blouses, evening wear |
11. Common Confusion: Chiffon vs Georgette
Chiffon and georgette are often confused because both are sheer, lightweight fabrics with a crepe-like effect. However, they are not the same.
| Point of Difference | Chiffon | Georgette |
|---|---|---|
| Weight | Lighter | Heavier than chiffon |
| Feel | Softer and thinner | Drier and grainier |
| Drape | Limp and flowing | Fluid but with more body |
| Texture | Fine crepe-like texture | More pronounced grainy texture |
| Sewing | Difficult due to slippery lightness | Difficult, but generally more stable than chiffon |
12. Relevance in Indian Textiles and Sarees
In Indian fashion and sarees, these fabrics are widely used because each fabric gives a different visual and draping effect.
A chiffon saree gives a soft, floating, graceful fall. A georgette saree gives a slightly heavier and more textured fall. An organza saree gives a crisp, transparent, and structured look. Crepe silk and crepe de Chine give a more refined, elegant drape with a subtle surface texture.
For merchandisers and buyers, understanding these differences is important because the fabric name alone does not explain the full product. Weight, twist, finish, transparency, embellishment, and end use must also be considered.
13. Frequently Asked Questions
Q1. Is organza softer than chiffon?
No. Organza is usually crisper and stiffer, while chiffon is softer, lighter, and more flowing.
Q2. Which is heavier: chiffon or georgette?
Georgette is generally heavier than chiffon. It also has a more grainy texture and slightly more body.
Q3. What gives crepe fabric its texture?
The crepe texture is mainly produced by highly twisted yarns. These yarns create a crinkled, pebbled, or puckered effect after weaving and finishing.
Q4. What is momme weight?
Momme is a traditional unit used to describe the weight of silk fabric. A higher momme value generally means a heavier silk fabric.
Q5. Which silk fabric is best for sarees?
There is no single best fabric. Chiffon is good for a light, flowing drape. Georgette gives more body. Organza gives a crisp and structured look. Crepe silk gives a graceful and elegant fall.
Conclusion
Organza, chiffon, georgette, crepe, and crepe de Chine are all important silk fabrics, but each has a distinct identity. Their differences come from weave, yarn twist, weight, texture, transparency, and finishing.
For students, designers, merchandisers, and textile professionals, these distinctions are important. A fabric is not understood only by its name, but by how it is made, how it feels, how it drapes, how it behaves during stitching, and how it performs in the final garment or saree.
Understanding these fabrics helps in better fabric selection, product development, garment construction, saree merchandising, and textile appreciation.
What is 8 kg Georgette
This represents the weight of 100 meters of Georgette. Thus technically it is an 80 gram georgette.
Sunday, 29 August 2010
Some Common Fabrics- Their Buying Specifications
FABRIC
COUNT/COUNSTRUCTION SIZESCotton Voile 78 x 68 48" 80 x 72 48" 92 x 80 48" 92 x 104 48"Cambric 60 x 60 / 92 x 88 48"Canvas 20 x 20 / 100 x 50 63" 20 x 16 / 104 x 50 63" 30 x 30 / 124 x 64 63" 2 / 40 x20 / 112 x 52 63" 2 / 40 x 2 / 40 / 92 x 72 63" 2 / 40 x 2 / 40 / 108 x 56 63"Corduroy 18 wales 38" 48" 58" 21 wales 38" 48" 58" 24 wales 58" 26 wales 58"Cotton Velvet 2 / 40 x 14 Singles 48" 2 / 60 x 2 / 60 48" 2 / 30 x 14 48"Cotton Flex 2 x 40 x 12 / 56 x 36 47" 2 x 40 x 12 / 56 x 40 47" 2 x 40 x 12 / 56 x 48 47" 2 x 40 x 12 / 56 x 52 47" 2 x 40 x 20 / 56 x 36 47" 2 x 40 x 20 / 56 x 40 47" 2 x 40 x 20 / 56 x 48 47" 2 x 40 x 20 / 56 x 52 47"Casement 7 x 7 / 37 x 37 63" 2 x 20 / 2 x 20 63"Denim 6 oz 7 oz 8 oz 10 oz 12 ozDucks 16 x 8 / 84 x 28 59" 63" 62" 72" 83" 10 x 6 / 76 x 28 63"Drills 10 x 8 / 72 x 42 63" 16 x 12 / 108 x 56 63" 12 x 10 / 88 x 46 64" 2 / 40 x 2 / 20 /112 x 56 63"Lycra Poplin 40 x 40 / 124 x 48 61" 40 x 40 / 124 x 56 61" 40 x 40 / 124 x 58 61" 40 x 40 / 124 x 64 61" 40 x 30 / 112 x 52 57" 50 x 40 / 140 x 60 61" 50 x 60 / 140 x 60 61" 50 x 60 / 140 x 52 61"MossCrape 10 Kg 50" 12 Kg 50" 13 Kg 50"MossRayon - 47"Moss Satin 50"Nylon Tafta 50"PC 45 x 45 / 104 x 76 50" 63" 45 x 45 / 120 x 70 50" 63" 45 x 45 / 124 x 64 50" 63" 45 x 45 / 132 x 77 50" 63" 24 x 24 / 92 x 50 6


