Disposable nitrile gloves

DISPOSABLE NITRILE GLOVES

Disposable nitrile gloves become more and more popular in various industries and seem inseparable in our lives and work such as health industry, food processing, hospitality and family consumption. These disposable nitrile gloves seem normal but bring various benefits for people. And let’s explore the benefit the gloves have.

1. History

The first disposable gloves were made in 1889 at the office of Dr. William Stewart Halstead.

In surgery, the disposable gloves not only strengthen the doctors skillful hands but also improve the sterilization in health environment.

In long-term clinic trials, it is found that the disposable gloves have a function to isolate patients from blood born infectious diseases. When AIDS outbrake of 1992, Department of Occupational Safety and Health approved to use these disposable gloves as a individual protection way.

2. Antiseptics

Disposable gloves were born in health industry. The requirements for the gloves in this industry are strict and there are two popular antiseptic technology methods as follows:

1) Ethylene oxide antiseptics: exterminate all kinds of microorganism including bacterial spores and ensure the glove elasticity.

2) Gamma Ray Antiseptics: this is an effective method to exterminate microorganism by using electronic wave caused by electronic radiation that can inhibit or exterminate the microorganism in order to achieve high standards in antiseptics. The gloves become a litle grey after antiseptics.

3. Classification of disposable gloves

As someone is allergic to natural rubber, the suppliers provide various method to manufacture many kinds of disposable gloves.

In the aspect of material, the gloves including: nitrile gloves, rubber gloves, PVC gloves, PE gloves… According to the market trend, nitrile gloves become a mainstream tendency.

4. Powder gloves and powder free gloves

The key material for disposable gloves is a natural rubber with elasticity, skin tight but hard to be worn.

By the end of 19th century, talc and lycopodium spore powder were added by manufactures to solve the problem of difficulty in putting on taking off and wearing the gloves but this caused infection after surgery.

Talc and lycopodium spore powder were replaced by powder for food in 1947. This powder was easily absorbed and used with huge quantity.

Once the advantages of disposable gloves were explored, they were applied extensively in food processing, spraying, clean room and others. And powder free gloves became more and more popular. At the same time, the application of powder gloves in health industry was prohibited by FDA to avoid some risks.

5. Application of chlorine or polymer detergents for powder removal.

Until now, most of gloves from factories have powder and the two ways to remove powder are as follows:

1) Chlorine wash

Washing by chlorine and calcium hypochlorite and sodium hypochlorite solution will decrease powder quantity, reduce the adhesion to natural rubber surfaces and reduce wear on gloves. The reduction of natural rubber surface leads to the reduction of natural rubber and allergy level as well.

Chlorine detergents are mainly used in natural gloves.

2) Polymer coating

Polymers such as silicone, Acrylic and gel coating is applied to the inside glove surface for convenient wearing. This method is usually used for nitrile gloves.

6. Rough surface gloves

The design for rough surface is very important in order to ensure the adhesion to hand.

1) Rough design for palm surface: to create the adhesion for user and minimize the mistake in process of machine operation.

2) Rough design for finger top – to improve the sensitive level for finger top even for small tools and to maintain good control.

3) Diamond structure – to provide dry and wet adhesion in order to ensure the safety in the operation process.

7. Verified Gloves

In the situation of continuous changes in disposable gloves, and for market standardization, many certificates are approved. The popular certificates are included:

1) FDA- Certificate for Food and Drugs Safety. All disposable gloves in health industry shall have this FDA certification;

2) SGS – SGS testing will verify food handling standards compliance. The gloves are safe in food processing/food service industry;

3) ISO9001, v.v.- Quality Control. To ensure uniformity standards for gloves.

Apart from that, there are other certificates such as EU CE, US FDA, ISO1348, QS, v.v.

8. Revenue for nitrile gloves higher the one for natural rubber gloves time by time

Nitrile gloves were made in early 1990s. They solved the sensitive problem of natural rubber gloves. Moreover, as natural rubber gloves have smell problem and difficulties to make them clean, nitrile gloves are used more and more.

9. Advantage of nitrile gloves

1) No special smell, non-allergenic: nitrile gloves have a low incidence of allergic reactions; smooth and comfortable even using in a long time.

2) Remember the hand shape: nitrile gloves will change the hand temperature, able to remember the hand shape, fit to hand and anti - hand fatigue.

3) Anti - puncture and anti-fatigue: nitrile gloves are puncture and tear resistant, cost saving and more durable than natural rubber gloves.

4) Corrosion resistant: able to tolerate the erosion of toxic substances or lubricating oil.

5) Color manufacturing flexibility: nitrile gloves can be manufactured in various colors to meet the demand for all social classes.

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