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COTTON BASICS

Properties

Cotton's absorbency makes it a good choice for towels.  The ease of laundering is another good reason to choose cotton for towels and household items.  Cotton is not very stretchy and that factor makes it a good choice for warp, especially for beginners.  It is also strong and resists abrasion from the reed and heddles.

Advantages
Disadvantages
Medium strength - stronger when wet Flammable
Little stretch Shrinks
Absorbent Wrinkles
Easy to launder Weakens in sunlight

Comfortable

 
Durable - resists abrasion and pilling  
   

Is It Cotton?

If you have a yarn and you are not certain it is cotton you can perform a burn test to determine the content.  Be careful and perform the burn test over a stainless steel sink where you can quickly extinguish the yarn if it burns too quickly.

It is cotton, if:

  • it burns with a yellow flame
  • it burns easily and has an afterglow
  • the smell is like that of burning paper
  • the burnt end of the yarn has a puffy, gray ash
 
Calculating Sett or Ends per Inch for your Project

Wrap yarn around a flat ruler or yarn gauge ensuring that the yarns lie next to each other (no spaces) without overlapping.  It is best to wrap at least one inch - two is better.  Count the number of yarns per inch.

For a weave that has the same number of warp ends and weft picks (a balanced 50:50 weave) you will need to divide the number of ends per inch in half.

SETT GUIDE FOR WEAVING
 
Cotton Size
yds/lb

Loose

Lace

Medium

Plain

Close

Twill

50/3
14000
42
45
50
30/2
12600
40
42
45
24/2
10000
30
36
40
20/2
8400
28
30
36
16/2
6340
24
28
30
10/2
4200
20
24
28
8/2
3360
18
22
27
8/4
1600
10
15
18
5/2 pearl
2100
12
16
20
3/2 pearl
1260
10
14
18

The above setts are guides ONLY, to obtain specific results sampling is recommended.

The most common reed that comes with a loom is a 12 dent reed and this reed can be used to obtain a variety of ends per inch.  Use the following guide to help you calculate the number of ends per dent..

12 Dent Reed Threading Guide
Sley
EPI
0-0-1
4
0-1
6
0-1-1
8
1
12
1-1-1-2
15
1-1-2
16
1-2
18
1-2-2
20
2
24
2-2-3
28
2-3
30
3
36
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