Polyester yarn is made from post-consumer waste such as bottles, fabrics, etc., in the composition of polyester ethylene terephthalate (PET), and because of its superior strength and elasticity it is applicable to a number of geotechnical applications: roadbed reinforcement of road and railway, crack prevention, increase of roadbed strength; reinforcement and stabilization of riverside, embankment and side slope, dyke reinforcement on soft ground for stress evenness, sedimentation adjustment, increase of stability and loading capacity of fundus, and reinforcement of the surface of roads and bridges. Polyester yarns are obtained by melt spinning from a polymeric melt at 265 °C. In polyester yarns, crystalline and amorphous areas exist. They are a thermoplastic material. The chains have a zig-zag structure and are linked to each other by Van-der-Waals connections.
Viscose yarn actually behaves quite a bit like cotton, as it's very absorbent and breathable. This along with its lightweight characteristic and hardiness makes it a great fabric for warm weather wear. Since it's so cheap to produce, it's cheap to the consumer, as well, but it won't be very helpful for people who are concerned with staying warm, because it does not insulate well. People who live in warmer areas will find viscose is their best friend, but people who live where there are harsh winters and mellow summers, or people who are more concerned with the environment, may use this fiber less.
Cotton yarn is a natural, plant-based fiber. It is soft, versatile, and breathable. Cotton fabric is one of the oldest known materials and is still a staple in the knitting industry. Cotton yarn is a great alternative for anyone allergic to wool, or who want a lighter feel to their project. Cotton dyes beautifully and hence the yarns are available in bright and rich hues. It is breathable and hence is preferred during summers. It is a great absorbent. Cotton yarn is best for making household items such as pillows, rugs, towels, washcloths, market bags, dishcloths, and a lot more.
Acrylic yarn is a fiber that is man-made. It is developed from polymers that are synthesized from petroleum products. There are many benefits to using acrylic yarn. Looking into its properties and applications will help you decide whether you should go ahead with this yarn for your knitting project or not. Acrylic yarns were first developed by DuPont during the 1940s. Within a decade, these yarns became a rage and were being produced on a massive scale. These polymers are created from several processes that produce string-like strands that resemble wool hair. These are then spun into a yarn.
Nylon yarn is a synthetic material yarn that can be made to resemble the look and feel of many natural fibers. Originally, nylon was created as a substitute for silk when the latter material became difficult to obtain. Nylon is strong, slightly stretchy, and generally cheaper than natural fiber yarns. This makes nylon good for many types of knitting projects. It is also usually easy to work with, so it may be a good material choice for beginner knitters.
Wool yarn is a wonderful choice for winter clothing accessories. It offers a warm feel, even in the rain and will last you for years without losing shape. It can also be cleaned rather easily when it gets stained and this is why so many knitters around the world prefer this natural yarn fiber over others. On the downside, wool can be slightly itchy, especially for individuals who are allergic to some types of wool.
