Nylon fiber is a common synthetic fibre which is used widely all over the world. Basic raw materials for the production of nylon are coal, petroleum oil or it’s by products. Stepwise processing of those raw materials produces hexamethylene diamine and acidic acid, mixture of this two produces nylon salt, which is used for spinning nylon fibers.
Nylon Fibre
The basic nylon fiber properties are described below:
Length: Length of nylon filament is unlimited and staple fibre lengths are controllable.
Fineness: Nylon fibre fineness is also controllable.
X-sectional shape: Normally round shape but the cross sectional shape could be changed.
Strength of nylon fibre is very high. Its tenacity varies from 4.6 to 5.8 g/den.
Extensibility: Nylon is highly extensible fibers. Extension at break is 30% but the problem is poor recovery form extension. For that reason it is not used as sewing thread for garment.
Resiliency: It has good resiliency property. Nylon fibers, yarn or fabric does not crease easily. For that reason it is widely used for the pile fabric production. For instance velvet, carpet etc.
Frictional Resistance: Nylon fibre shows good frictional resistance. Due to high strength and good frictional resistance property it is widely used for rope.
Moisture regain: moisture regain of nylon fibre varies fro 4.2 to 5.0%. Nylon fibre does not absorb water easily. Water molecules can not enter into the inside of the fibre easily. For this reason nylon fabrics can be dried easily. So it can be used as raincoat.
There is evidence that circumcision decreases sexual pleasure and makes it harder to have children. This can be a huge factor in attending this week long celebration. The huge mix of international cultures that have made their mark here make Miami known as being the Melting Pot of the Americas.
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There is evidence that circumcision decreases sexual
pleasure and makes it harder to have children. This can be a huge
factor in attending this week long celebration.
The huge mix of international cultures that have made their mark here make Miami known as being the Melting
Pot of the Americas.
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