[What are the properties of polypropylene high-strength yarn?]
Release date:[2:08:18] Read a total of [40] time

Polypropylene high-strength yarn is a kind of chemical fiber product that is loved by the public. It has the advantages of high strength, anti-aging, wear resistance, acid and alkali resistance, etc. At the same time, the raw material of high-strength polypropylene yarn is polypropylene, so its quality Light, it has its own world in the luggage webbing market.

Polypropylene high-strength yarn is widely used in woven geotextiles, packaging bags, webbing and webbing products such as fire hoses and safety belts. Light industry, environmental protection and food industries.

Generally speaking, polypropylene high-strength yarns are widely used, mainly in woven geotextiles, packaging bags and fire hoses. This new type of chemical fiber material will be seen. Mainly have good non-absorbent and stable performance, especially in the transportation industry for the packaging of many chemical products, pharmaceuticals, etc.

Among the industrial yarns of various synthetic fibers, the high tenacity and impact resistance of polypropylene high-strength yarn, as well as its flexibility and chemical resistance, make it a very competitive variety. In addition, its production equipment investment is low, the raw material price is cheap, the energy consumption is the least, and the environmental pollution is less, and it has obvious technical and economic advantages.

The properties of polypropylene high-strength yarn:

1. The strength of polypropylene high-strength yarn is comparable to that of polyester and nylon industrial yarn, and the strength is exactly the same in wet and dry conditions

2. The density of polypropylene fiber is 0.919/cm', which is the smallest density among all industrial synthetic fibers. Its density is only 66% of polyester (1.389/cma) and 80% of nylon (1.149/cm3). Considering the price and density of the silk, the cost of using polypropylene high-strength silk as raw material will be much lower than that of polyester or nylon industrial silk. In addition, due to the low moisture absorption (MO.1%) of polypropylene, it is especially suitable for marine products and other products that require no moisture absorption.

3. Good abrasion resistance and flexibility

4. Mildew resistant. Polypropylene is not eroded by insects and bacteria.

5. Good stability to chemicals. Because there are no active groups in the molecular structure of polypropylene, the stability to acid, alkali and other chemicals is very good, even better than polyester and nylon, so it is suitable for many chemical fields.

6. Anti-ultraviolet and dyeing properties have been resolved. The light resistance of polypropylene itself is not good, but excellent resistance to ultraviolet radiation degradation can be achieved by using polypropylene chips with stabilizers, and the product is suitable for outdoor use. Polypropylene is difficult to dye, but it has been solved by adding dyeing auxiliaries or dope dyeing.

The varieties of polypropylene are filaments (including undeformed filaments and bulky deformed filaments), short fibers, bristles, membrane split fibers, hollow fibers, special-shaped fibers, various composite fibers and non-woven fabrics. The main use is to make carpets (including carpet backing and suede), upholstery fabrics, furniture fabrics, various ropes, strips, fishing nets, linoleum, building reinforcements, packaging materials and industrial fabrics, such as filter cloth, bag cloth Wait.

Taking advantage of its advantages of acid and alkali resistance, corrosion resistance, high strength, no water absorption, light weight, good stability, and good filter stripping, it can be made into high-strength polypropylene filter cloth, which is mainly used in metallurgy, mineral processing, chemical industry, light industry, food , environmental protection and other industries.


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