In the previous article, we mainly introduced the raw material of medical disposable consumables - medical non-woven fabrics. In this article, we mainly introduce the production process, classification, and application of non-woven fabrics, so that we can better understand the raw materials of our products, to fundamentally better control the quality of products.

What Is Non-woven?

Non-woven fabrics, also known as non-woven cloths. It is bonded directly by directional or random fibers through physical or chemical methods. The material is a new generation of environmental protection material, which has the characteristics of moisture-proof, breathability, flexibility, lightweight, no combustion, easy decomposition, non-toxic and non-irritating, rich color, low price, recyclable and so on. Because it has the appearance of the cloth and some properties of the cloth, it is called the cloth.

Classification of Non-woven Fabrics-According To The Production Process

1.Spunlace Non-woven

It sprays a high-pressure fine water stream onto one or more layers of a fiber web to entangle the fibers with each other, thereby reinforcing the web with a certain strength.

Characteristics:

•Flexible entanglement does not affect the original characteristics of the fiber and does not damage the fiber.

•The appearance is closer to traditional textiles.

•High strength, low fluffing

•High hygroscopicity, fast moisture absorption.

•Soft to the touch, good drape

•The appearance pattern is changeable

•Long production process and large floor space

•The equipment is complex, the energy consumption is large, and the water quality requirement is high.

Applications: Medical curtains, surgical gowns, surgical drapes, medical dressing materials, wound dressings, medical gauze, aviation rags, clothing lining fabrics, coated base fabrics, advanced rags in the electronics industry, cotton pads, wet wipes, a mask covering materials, etc.

2.Heat Sealing Non-woven

It refers to adding fibrous or powdery hot-melt bonding reinforcing material to the fiber web, and the fiber web is further fused and cooled to form a cloth.

Characteristics:

•Surface bonding hot rolled surface is more smooth.

•Point bonded hot rolling is relatively fluffy.

Application：Baby diapers and feminine napkin covering materials, ointment base fabrics, clothing linings, masks, etc.

3.Pulp Airlaid Non-woven

Air-laid non-woven fabric, also known as dust-free paper or dry papermaking non-woven fabric. It uses the air-laid technology to open the wood pulp fiberboard into a single fiber state, and then uses a gas flow method to agglomerate the fibers on the mesh curtain, and the fiber web is further reinforced into a cloth.

Characteristics：

•The fluffy degree is good.

•Soft to the touch

•Super hygroscopic performance

Application: Medical hygienic materials, especially high-absorbency disposable hygiene products (such as diapers, sanitary napkins, wet wipes, wipes, etc.).

4.Wet Non-woven Fabric

It is to open the fiber raw material placed in the water medium into a single fiber, and at the same time mix different fiber raw materials to prepare a fiber suspension slurry. The suspended slurry is then transferred to a web forming mechanism, and the fibers Characteristic：

•The production speed is high and can reach 400m/min.

•You can make full use of short fibers.

•The product fiber network has good uniformity.

•High water consumption and high one-off investment

Application:

•Special paper: dust/liquid filter paper, tea bag.

•Industrial: filters, insulation materials, sound-absorbing materials.

•Medical use: medical backing, medical tape, surgical drape pack wrapping materials.

•Civil: wallpaper, etc.

5.Spunbond Non-woven

The polymer is first extruded and drawn to form continuous filaments which are laid into a fiber network. The fiber network is then subjected to self-bonding, thermal bonding, chemical bonding or mechanical reinforcement to transform the fiber network into a non-woven fabric.

Characteristics：

•The fiber network consists of continuous filaments

•Good tensile strength

•There are many changes in the process, which can be strengthened by many methods.

•The filament has a wide range of fineness.

Application:

•Polypropylene (PP): geotextile, tufted carpet base fabric, coated base fabric, medical materials, coating materials for disposable products.

•Polyester (PET): filter material, lining material, tufted carpet base fabric, agricultural materials, packaging materials, etc.

6.Meltblown Non-woven

The process of melt-blown non-woven fabric: polymer feeding---melt extrusion---fiber formation---fiber cooling---forming into the net---reinforcing into cloth.

Characteristics：

•The fiber network consists of very thin, shorter fibers.

•The fiber network has good uniformity and soft hand feel

•Good filtration performance and liquid absorption performance.

•Poor fiber strength

Application: Filter materials, medical materials, clothing materials, battery separator materials, wiping materials.

7. Needle Punched Nonwoven

Needle-punched nonwoven fabric is a type of dry-laid nonwoven fabric. It uses a puncture of a needle to reinforce the fluffy web into a cloth.

Characteristics：

•Flexible entanglement between fibers for better dimensional stability and flexibility

•Good permeability and filtration performance.

•The hand feel is full and fluffy.

•It can produce various collection patterns or three-dimensional molding products according to requirements.。

8.Stitching Non-woven

The stitch-bonded nonwoven fabric is a type of dry nonwoven fabric. The stitching method is to use a warp knitted coil structure to reinforce a web, a yarn layer, a non-woven material (e.g., a plastic sheet, a plastic thin metal foil, etc.) or a combination thereof to form a nonwoven fabric.

9.Hydrophilic Non-woven

Mainly used in the production of medical and health materials to achieve a better feel and not to scratch the skin. For example, medical bed sheets, sanitary napkins, and sanitary gaskets are using hydrophilic functions of hydrophilic nonwoven fabrics.

Lantian Medical offers more than 100 types of disposable medical supplies products. About 30% of these are hospital bed sheet and medical bed cover for patients use, 20% are surgical bed drape sheet, 15% are surgical gowns disposable, and 35% various disposable sterile surgical. All the medical supplies supplied by Lantian medical have CE and ISO certificate and undergo rigorous quality inspection and OE sterilization. Our company's products strictly comply with EN1379/ANSI/AAMI PB70/ISO11135/ISO11607 standards. Welcome, contact us for more details!

Lantian Medical shows the strength of the Meeting to Ethiopian Government Officer and Ambassador of Sri Lanka and discusses more information about Lantiam Medical's products, such as Disposable Surgical Gown, and Sterile Surgical Drape. Lantian wins the high recognition from the Ethiopian Government Officer and Ambassador of Sri Lanka.

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