Saturday, 13 February 2016

Banarasi Sarees- Kadiyal, Katan, Kadhuan, Brocade, Tanchoi...



When someone searches for the Banarasi Sarees or goes to buy the sarees, various types of terms are used to describe the sarees. Let me try to explain a few of the terms. I have dealt these terms elsewhere also in this blog.

1. Katan

Katan is the name of the silk yarn used to produce sarees. Simply speaking katan is degummed- very slightly twisted pure silk yarn. It is softer in feel.

2. Kadhuan or Jamdani. 

This is one of the most used (and misused) terms in Banarasi sarees. Kadhuan involves producing designs using extra weft technique, without producing any surfeit yarn floats at the back of the fabric. It is epitome of weaving. It is manual, painstaking and mimics the tapestry weaving technique at much micro level. In India this is also called Jamdani in producing Kotas, Chanderis and Uppadas.





 3. Brocade

It is a fabric where design dominates. Thus it can be a Resham brocade ( where the extra warp figuring is done with viscose or silk yarn) or Zari Brocade ( where the figuring is done with gold or silver yarn). When 60% of the fabric is covered by zari it is called Kimkhab.



4. Jamavar

Basically this paisley design in found in shawls. However in Banaras, they combine it beautifully in the pallu and hence are called Jamavar Brocades.



5. Cutwork

Unlike Kadhua, in cutwork, there are yarn floats at the back of the fabric which are cut after the fabric is woven, thereby creating an embossed effect on the fabric. Cutwork fabrics are cheaper as they can be made on machine Jacquards.

6. Raw Silk

Raw silk is the filament silk obtained from mulberry cocoons, from which it is not possible to obtain. These are non degummed and hence have their characteristic slubby appearance.



7. Summer Silk

Summer silk sarees have non degummed in the warp and twisted yarn in the weft.

8. Kora Silk

Kora silk is both organza in the warp and weft. It is non degummed.



9. Dupion Silk

It is produced by fine threads in the warp and uneven weft reeled from two or more entangled cocoons in the weft. It produces very deep colors.



10. Tanchoi

Tanchoi is the self design produced on the surface of the fabric with the help of resham or silk thread. There is no float either at the back or at the front of the fabric.



11. Tissue

In tissue fabric one or more warp or weft is of zari yarn. Thus it can be a silver tissue or can be a gold tissue.



12. Kadiyal

Kadiyal or Korvai is an ancient three shuttle technique of weaving sarees. Three shuttles are used for creating two border and the body. The borders are joined with the body in an interlocking way. Hence it is called Kaiyal technique. Apart from Banaras it is used in many handloom clusters of India.



Source of Images

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Tuesday, 29 December 2015

What is Pita or Pitta Work



Pitta work is an ancient work of embroidery in which first the filling is done with the help of metal wires and then it it beaten so that the texture becomes uniform.

Watch this video to understand Pitta work.



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Saturday, 31 October 2015

What is TR Fabric



TR fabric refers to Terry Rayon, a fabric made with a polyester/viscose blend yarn. Generally it is used for suitings.

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Saturday, 15 August 2015

Notes on Procion Printing



Notes on Procion Printing

1. Types of Procion Colors

Procion M

- Highest Reactivity
- very important
- Used for steaming as well as non steaming fixation
- Can be used for resist printing also.
- Doesn't Mix with H and Supra Types dyes.
- The stock is not very stable and has to be used immediately after it is prepared.

Procion H

- Lowest Reactivity
- Stable Stock
- Used only when fixation is done by steaming

Procion Supra
- More reactivity than H
- High color fastness.

THICKNER USED IS SODIUM ALGINATE

2.  TYPES OF PROCION PRINTING PROCESS

A. One stage process

1. Alkali present in the printing paste
2. Development is done by steaming or baking.

B. Two stage process

1. No alkali present in the printing paste.
2. Alkali used before or after printing

UREA IS USED IN CELLULOSIC PRINTING

In cotton it is 5-10%, in viscose it is 100-200 percent.

Urea has three purposes:

1. It increases the solubility of dye stuff with low water solubility.
2. Increases the formation of condensate necessary for allowing migration of the dyestuff from paste to the fiber.
3. Non constant operating conditions can negatively affect reproducibility if urea is not used.

Receipe
Stock Paste
Color-5%
Urea-10%
Water-46%
Thickner-40%
Resist Salt- 1%
Alkali ( Soda Bi carbor sod carb)- 1.5%

Resist salt is used to prevent back printing.

How to make it

1. 1st Method
a. Mix all chemicals except water.
b. Add color by using high speed stirrer

2nd Method

a. Heat water by adding urea
b. Add color
c. Add thickning paste using High Speed Stirrer.
d. Add Dissolved alkali.

How to develop Color

1. One stage process

a. Steaming: for procion H and Supra- 5-15 min, for procion M- 15 seconds. - Moist Steam
b. Baking- Dry after printing & Baking. Keep concentration of urea more.
Procion M- 110 deg C, for three minutes for cotton and 140 deg C for viscose 140 for 3 minutes.

2. Two Stage Process

1. Flush Aging: No Alkali in mixture, can be done at high speed.

a. Dried printed fabric is pad in cold alkali solution with salt
b. It is than steamed
c. Good printing as done as there is no alkali.
d. Fixation takes only 40 seconds.
e. Printed cloth can be kept in warehouse without developing.

2. Air Hanging Process- Not useful for procion H

1. First unprinted fabric is padded with 2% soda ash and dried.
2. Make printing solution without alkali
3. Print 1 and 2 and keep in air for several hours.

3. Vat Development

a. No alkali in the mixture.
b. The cloth is passed through hot alkali solution after printing.

4. Pad ( Alkali) - Batching

a. First cloth is printed without alkali in the stock solution.
b. Then cloth is padded with sodium silicate ( 100 Tw)
c. Cloth is then batched for 3 hours for H and 10 mintues for M.
d. It is then washed and dried


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