There are many different types of commercial wool available for knitting and crocheting. The types can be pure wool or wool blends. Each type of wool varies by the animal that the wool comes from (sheep, goats, alpaca, etc.), the grade/quality of the wool, how the wool was prepared/spun, and if the wool is blended with another material such as acrylic. Even with non-commercial wool there would be many variants based upon the type of animal that the wool came from, the grade/quality of the wool, how the wool was prepared and spun, the skill of the person preparing the wool. I have purchased home spun wool that varied greatly in thickness thoughout the entire skein making it difficult to use in a pattern where exact sizing is important.
Expensive is a relative term, so what may be expensive for someone else may not be expensive for you. There are too many types of wool, many stages of wool and many objects made from wool to be inclusive or even guess at the answer that you want.
Wool is a natural fibre that is made into many types of products including clothing, accessories, bedding and more.
Wool Felt is a company that sells felt made of wool. Wool Felt manufactures many different types of wool felt. They come in numerous different colors, thicknesses, and sizes.
There are many types of insulators. The ones I know are wood, fleece, rayon wool, cotton and vinyl.
Dogs do not have wool. No types of dogs have wool.
Wool is obtained from sheep and certain other animals, including cashmere from goats, mohair from goats, qiviut from muskoxen, angora from rabbits, and other types of wool from camelids
If wool is considered cloth, wool!
No. Worsted wool is sourced and processed differently from other types of wool. You can read more about worsted wool, below.
You can make many types of clothing. Pretty much anything that you can make with another material such as cotton. An alpaca's wool is very warm
First, you have to find sheep with wool. Then, use your dyes to dye its wool to a certain color. Then, kill it or shave it to get the wool.
There are many benefits to having a wool mattress pad compared to other types, such as comfort and to help prevent allergies. The wool pads are made to be more soft and comfortable, and since wool dries out quickly it can't be a home for dust mites and allergens.
More properly, the raw material from which wool is spun is called fleece.