The advantage and application of pp spunbond nonwoven fabric

pp non woven fabric is widely used in daily life. Do you know about its performance? The Synwin pp spunbond nonwoven fabric supplier will give you a detailed introduction today.


(1) Physical properties: pp spunbond nonwoven fabric is a non-toxic, odorless milky white high-crystalline polymer, which is one of the lightest varieties of all plastics at present. It is particularly stable to water, and the water absorption rate in water for 14 hours is only 100%. 0.01. The molecular weight is between 80,000 and 150,000, and the formability is good. However, due to the large shrinkage rate, the original wall products are easy to dent, the surface gloss of the products is good, and it is easy to color.


(2) Mechanical properties: pp spunbond nonwoven fabric has high crystallinity and regular structure, so it has excellent mechanical properties, and its strength, hardness and elasticity are higher than high density PE (HDPE). The outstanding feature is the bending fatigue resistance (7×10^7) times of opening and closing, and no damage marks. The dry friction coefficient is similar to that of nylon, but it is not as good as nylon under oil lubrication.


(3) Thermal performance: PP non woven fabric has good heat resistance, the melting point is 164~170℃, and the products can be sterilized at temperatures above 100℃. Under the action of no external force, it will not deform at 150 °C. The embrittlement temperature is -35 °C, and embrittlement occurs below -35 °C, and the heat resistance is not as good as PE.


(4) Chemical stability: pp spunbond nonwoven fabric has good chemical stability. In addition to being eroded by acid, it is relatively stable to other chemical reagents, but low molecular weight aliphatic hydrocarbons and aromatic hydrocarbons can make PP non-woven fabrics stable. The cloth softens and swells, and the chemical stability increases with the increase of crystallinity. Therefore, pp spunbond nonwoven fabric are suitable for making Russian-Chinese chemical pipelines and accessories, and have good anti-corrosion effects.


(5) Electrical properties: non woven material have excellent high-frequency insulation properties. Since it hardly absorbs water, the insulation properties are not affected by humidity, have a high dielectric coefficient, and can be used to make heat-resistant The electrical insulation products are also high in breakdown voltage, suitable for electrical accessories, etc. It has good resistance to voltage and arc, but has high static electricity, and it is easy to age when it is in contact with copper.


(6) Weather resistance: The non woven material is very sensitive to ultraviolet rays. The addition of zinc oxide dilauryl thiopropionate, carbon black and similar milky white fillers can improve its aging resistance.


When choosing to buy and choose pp spunbond nonwoven fabric, you should pay attention to the following points, hoping to help everyone.


1. Determine the purpose of purchasing non woven fabric. pp spunbond nonwoven fabric are used as environmental protection packaging bags, non woven material for packaging and storage, non-woven fabrics for furniture and home textiles, non-woven fabrics for craft gifts, non woven material for agriculture, forestry and gardening, non-woven fabrics for shoe materials and shoe covers, non-woven fabrics for medical use, non woven material for hotels, etc. First determine what you are going to use it for.


2. Determine the color, weight and width of the non woven fabric. All colors in the non-woven Pantone color card can be made, but each manufacturer has its own color card. If the quantity is large, you must first communicate with the manufacturer about the color. Followed by gram weight, and door width.


3. Gram weight refers to the weight of one square meter, that is, the thickness of the non woven fabric used. Door width refers to the width of the non woven fabric. Choose different door widths according to your own machine.


4. Determine the quality of the non woven material. You have to determine the quality of the cloth, and then discuss the price.


5. To buy non-woven fabric, you need to choose a manufacturer. Stores and distributors have high prices, while non woven material manufacturers have slightly lower prices.


Synwin is a professional non woven fabric manufacturer in China, specialized in various kinds of high-quality non woven material and pp spunbond nonwoven fabric wholesale and manufacturing, welcome to contact!

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