The Definitive Guide:Nitrile Gloves

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1. What is Nitrile Gloves?

1.1 Definition

Disposable nitrile gloves are a kind of synthetic chemical materials, acrylonitrile and butadiene through special process treatment and formula improvement, permeability and comfort has been close to latex gloves, and do not produce any skin allergies. Nitrile gloves have been developed in recent years and can be cleaned to reach levels 100 and 1000. And Wirelesshealth also offer the finest quality of Nitrile Gloves, Here you could refer to the product specification.

Nitrile Gloves

1.2 Procedure Fields

Widely used in semiconductor, precision electronic components and sticky metal ware operation, high-tech product installation and debugging, LCD display table, circuit board production line, optical products, powder-free laboratory, hospital, beauty salon and other fields.

In recent years, nitrile gloves are more widely used in household work, chemical and chemical industry, marine plant industry, glass, food, scientific research and other industries.

Nitrile gloves need occasion there are many, the most common is the field of food production, food production has a high requirement on the health, must want to ensure that health was able to enter the enterprise production, the hand is direct access to the source of food production, so start from hand hygiene, wear nitrile gloves is very reasonable, nitrile gloves with the most significant difference being that other gloves can get entirely out of pollution, with the hand also can better to work for, so wear nitrile gloves is a right choice.

Nitrile gloves, also need to use in the lab for some influence to human body substances have the effect of isolation, requires a lot of different material experiment in the lab, there is a lot of material have harm to the body, nitrile gloves, needs to have the effect of protection to the collection, also can have better efficiency for work.

Nitrile Gloves Procedures

There are many kinds of nitrile gloves; disposable nitrile gloves are wildly used in many situations.

On the hazardous substances, gloves are not can use again. Therefore, the use of disposable nitrile gloves will be better, will have more protection effect to the body, the work can also be excellent, so the selection is essential, nitrile gloves are the most widely used in the field of chemical production, chemical damage to the body is very big, if there is no completes the protective measures, is a kind of significant harm, so wear nitrile gloves is needed and also is exceptionally be necessary.

2. Types of the nitrile gloves?


Nitrile Gloves Classification- Photo Credits: DentalPlanet

2.1 Powdered Gloves VS Powder-free Gloves

Powder-free gloves will be more expensive because they need an additional process to remove the powder coating from the glove. Nevertheless, gloves with powder-free are able to lower the incidence rate of allergies by reducing protein and chemical content. What is more, powder-free gloves are ‘tidy’ to use compared with powdered gloves, because they don’t leave any residue on clothing or other surfaces.

Powdered gloves are generally lubricated by cornstarch, which lets them much easier to put on. Cornstarch coatings have replaced other powdering options, for instance, lycopodium powder and talc, because these different coating types will cause irritate tissue possibly. However, even cornstarch is able to impede healing when coming into contact with fabrics, so powder-free gloves are usually preferred for surgeries and other sensitive conditions.

2.2 Chlorinated Gloves VS Non-Chlorinated Gloves

If choosing to use powder-free gloves, it is necessary to decide to use chlorinated or non-chlorinated gloves.

If one person doesn’t want to use powdered gloves, but he wants the benefits that come with that kind of glove, chlorinated gloves are powder-free gloves, and they are handled with chlorine to ensure them easy to put on. Besides, they are without any particles, and they are able to avoid allergic reactions resulted from soluble proteins.

Chlorinated gloves are more commonly used than non-chlorinated gloves, although some prefer gloves that have a more neutral colour and less of an odour. Another disadvantage of chlorinated gloves is their shorter shelf life: after about a year, chlorinated gloves become brittle, and when exposed to heat, these gloves may last even less than a year.

Non-chlorinated gloves, on the other hand, are closer in colour to regular exam gloves and contain no chlorine odour. However, these gloves are not very popular since they are hard to put on, and are not particle-free since a ‘gel coat’ of tiny gel/silicone particles is added to make them slightly more comfortable to don.

2.3 Examination Gloves vs. Surgical Gloves

Nitrile Gloves For Examination – Photo Credits: Ammex

Both examined surgical gloves are medical-level gloves for using during medical conditions.

Medical exam gloves can be applied for blood examinations and patient examinations. These gloves are also used as typical purpose gloves for regulating incontinence, daily spills and messes in and around the home.

Surgical gloves are always applied by surgeons professions and other operating room workers. These disposable gloves must meet higher quality demands and are commonly sterile because they are used under surgical procedures. What is more, surgical gloves provide a better fit with more accurate sizing and higher tactile sensitivity.

2.4 Other Options

Chemo gloves are also belonging to medical gloves. They have been checked for use with chemotherapy drugs. When choosing chemo examination gloves, must take care to make sure that the gloves have been inspected for the specific drugs being applied.

Some options that care for the caregiver, including gloves with oatmeal or aloe. Using gloves with a heat-activated aloe coating, hands can be soothed and moisturized. In addition, hardworking hands can also take advantages from the extra care offered by gloves containing colloidal oatmeal skin protectants. That helps maintain the skin’s moisture barrier, hence, preventing and protecting dry skin.

2.5 Comparisons

In order to have a better understanding of the different materials of disposable gloves and their own benefits, let’s check the more specific options available in the following table. Each one of these options is aimed to offer particular advantages for different applications. In order to select the correct glove types for the intended use, it’s a critic to understand what these advantages are.

1)Powdered Gloves: This type of glove is powdered, and usually with cornstarch and it is reinforced ease of donning on account of powder.

2)Powder-free Gloves: this type of glove has had powder coating remove with lowered allergic reaction, and is cleaner to use.

3)Chlorinated Gloves: it is powder-free gloves handled by chlorin, and it Easy to put on, particle-free to avoid allergic reactions.

4)Non-chlorinated Gloves: this type of glove is powder-free with a coating of gel/silicone particles. Besides, it is neutral color, odor-free, with a longer shelf life.

5)Examination Gloves: it is sterile or non-sterile medical level gloves,and it can offer protection against blood or bodily fluid exposure.

6)Surgical Gloves: it is often sterile, high performance medical grade gloves, and is able to offer high-quality protection against bodily fluid exposure or blood.

7)Chemo Gloves: this type of glove is tested and approved for using with chemotherapy drugs, and it can offer protection against chemotherapy drug exposure.

8)Gloves with Aloe: This type of glove is with a coating of organic aloe and can moisturizes hands during using procedures.

9)Gloves with Oatmeal: Gloves with colloidal oatmea and can prevents and protects dry skin

3. Standard of the nitrile gloves

Nitrile Glove Standards

The level of gloves themselves cannot directly correspond to the level of the cleanroom. It is more accurate to use the cleanliness index of gloves themselves to measure (such as LPC, IC, NVR…). Generally, the better the cleanliness index parameters of the product, the more can be applied to a higher level of the cleanroom.

For the convenience of the user’s choice, the glove manufacturer will call the gloves of a certain level (cleanness of cleanroom) with a specific item or several parameters reaching the corresponding index, so the expression of 100-level gloves or 1000-level gloves comes into being. Taking a brand of nitrile gloves for the cleanroom as an example:

3.1 Canada standard

  • Medical examination gloves – nitrile rubber latex
  • ISO 11193-1:2008

ISO standards

Single-use medical examination gloves

Part 1: Specification for gloves made from rubber solution or rubber latex

Type 2: Gloves made mainly from polychloroprene rubber latex, nitrile rubber latex, styrene-butadiene rubber emulsion, styrene-butadiene rubber solution or thermoplastic elastomer solution.

  • ASTM D6319 (2019)

The standard reference for nitrile examination gloves used for a medical procedure

  • Medical glove examination manner
  • ASTMd5151 (2019): Standard examination manner for inspection of holes in medical gloves
  • ASTMd6124 (2006 r2017): Standard examination manner for the residual powder of medical gloves
  • ASTMd3772 (2015): Standard specification for rubber finger cots surgeon’s gloves
  • ASTMd5712 (2015): Standard examination manner for the analysis of aqueous extractable protein in natural rubber and its products applying the modified lowry manner
  • ASTMd6499 (2018): Standard examination manner for the immunological measurement of antigenic protein in natural rubber and its related products

3.2 World Health Organization standards

WHO – Photo Credits: ifmsa

  • Gloves, examination, Non-sterile

Gloves, examination, powder-free, non-sterile, nitrile, single-use gloves should have long cuffs to reach above the wrist, and it should be ideal to mid-forearm. Sizes: small, medium, large.

Standards:

EU PPE Regulation 2016/425 Category III,

EU MDD Directive 93/42/EEC Category III,

EN 374,

EN 455,

ANSI/ISEA 105,

ASTM D6319, or equivalent

  • Gloves, examination or surgical, sterile

Gloves – examination or surgical – powder-free, nitrile, sterile, single-use. Gloves should have long cuffs to reach well above the wrist, ideally to mid-forearm. Sizes: small, medium, large.

Standards:

EU PPE Regulation 2016/425 Category III,

EU MDD Directive 93/42/EEC Category III

EN 455,

ANSI/ISEA 105,

ASTM D6319 or equivalent

3.3 American standards-FDA

FDA LOGO

  • Patient Examination Gloves
  • ASTM D5151 Standard examination manner for Detection of Holes in Medical Gloves
  • ASTM D6319 Standard Specification for Nitrile Examination Gloves for a medical procedure
  • ASTM D6124 Standard examination manner for Residual Powder on Medical Gloves
  • ASTM D5250 Standard Specification for Poly(vinyl chloride) Gloves for a medical procedure
  • ASTM D3578 Standard Specification for Rubber Examination Gloves
  • ASTM D3772 Standard Specification for Rubber Finger Cots
  • Surgeon’s Gloves
  • ASTM D5151 Standard examination manner for Detection of Holes in Medical Gloves
  • ASTM D6124 Standard examination manner for Residual Powder on Medical Gloves
  • ASTM D3577 Standard Specification for Rubber Surgical Gloves
  • examination manner
  • ASTM D5712Standard examination manner for the Analysis of Aqueous Extractable Protein in Natural Rubber and Its Products Using the Modified Lowry manner
  • ASTM D6499 Standard examination manner for the Immunological Measurement of Antigenic Protein in Natural Rubber and Its Products
  • ASTM D5151 Standard examination manner for Detection of Holes in Medical Gloves
  • ASTM D6124 Standard examination manner for Residual Powder on Medical Gloves

3.4 Other Consensus Standards

To the exclusion of FDA-recognized standards, manufacturers may use other consensus standards. As discussed before, under the Act, only FDA-recognized standards are those for which you may submit a declaration of conformity in order to meet premarket demands; however, you may find other coincident standards that have not been accepted by FDA useful. Below is a list of some of the standards applicable to medical gloves.

  • Glove Standards


ASTM LOGO

  • ADA Spec No. 102 Non-sterile nitrile gloves for dentistry.
  • ANSI/ADA76 Non-sterile latex gloves for dentistry.
  • ASTM D5250 Typicalspecification for poly(vinyl chloride) gloves for medical procedure.
  • ASTM draft Typicalspecification for nitrile examination gloves for a medical procedure.
  • ISO11193 Single-use rubber examination gloves-Specification.
  • ISO10282 Single-use surgical rubber gloves-Specification.
  • AS/NZS 4011 Single-use examination gloves—specification.
  • EN 455-1 Medical gloves for single use. Part 1. Specification for freedom from
  • EN 455-2 Medical gloves for individual use. Part 2. Specification for physical
  • CAN 20.27-M91 Sterile or non-sterile medical examination gloves for individual use.
  • JIS T 9107 Japanese Industrial Standard. Surgical gloves.
  • MS1155 Malaysian standard for rubber examination glove.
  • examination standards
  • ASTM D412 examination manner for vulcanized rubber and thermoplastic rubbers and thermoplastic elastomers—tension.
  • ASTM D573 examination manner for rubber—deterioration in an air oven.
  • ASTM D3767 Practice for Rubber—a measurement of dimensions.
  • ISO 2859 Sampling procedures and tables for inspection by attributes.
  • ISO 37-94 manner for determination of tensile stress-strain properties (to determine the force at break)
  • ISO 188 Heat resistance and accelerated aging examination
  • ISO 4648 Physical examination of rubber. manners for the determination of dimensions of examination pieces and products for examination

3.4 The Notable Standard Organizations

  • ADA: American Dental Association
  • ANSI: American National Standards Institute
  • ASTM: ASTM International
  • CAN: National Standard of Canada
  • EN: European Standard
  • ISO: International Standard

4. Precautions for use

①Nitrile gloves are generally divided into right and left hands. Please choose gloves suitable for your own hand type.

②when wearing gloves, do not wear rings or other ornaments, pay attention to manicure;

③Direct exposure of strong light such as sunlight or ultraviolet rays is strictly prohibited.

5. Storage and Maintenance

The storage and management of gloves can improve the cleaning efficiency of gloves. Notes are as follows:

Gloves Storage

①After using this kind of gloves, we should pack them in clean bags or plastic buckets to avoid contamination of gloves by other dust particles and damage caused by extrusion.

②If it is packaged well; please put it in a ventilated and relatively dry place. It is necessary to pay attention to that the sunlight should not be directly exposed to it. Otherwise, the gloves may turn yellow.

③After storage should be arranged for its disposal as soon as possible. For example, you can send it to be cleaned and recycled. It can also be closed to scrap or discarded.

6. Advantage and Disadvantage of the Nitrile Gloves?

6.1 Advantage of the Nitrile Gloves

Advantages of Nitrile Gloves

  • Nitrile Gloves made of synthetic nitrile materials. They do not have proteins in the latex, so they are latex-free. Hence anyone who is with a latex allergy can work with them safely and comfortably. Nitrile gloves have become the preferred synthetic replacement to natural rubber, and are an ideal choice when latex allergies are of concern. More health care professionals rely on the latex-free dependability of Nitrile gloves.
  • They offer a stronger barrier of protection and provide greater chemical resistance ability. Nitrile rubber is more resistant than natural rubber to oils, chemicals and acids, and has superior strength. They are better for many industries and conditions, such as automotive, manufacturing, plumbing, janitorial, heavy-duty, paint shops and industrial applications
  • Do not contain phthalic acid ester, amino compounds, silicone oil, with outstanding cleaning performance and ageing resistance, antistatic properties as well as oil resistance performance, purification of the modelling of nitrile gloves designed in accordance with the human body shape of the hand, with high alertness, brilliant tensile properties and puncture resistance, excellent wear resistance and high tensile strength.
  • Nitrile conforms to the shape of your hands, offering a snug and comfortable fit. As body heat lets nitrile gloves get warm, they can follow carefully to the hand for a better and comfortable fit.
  • Lower resistance to friction makes nitrile gloves easier to put on and take off. Nitrile rubber gloves alone have a lower coefficient of friction, making them easier to put on and take off. Nevertheless, during the disposable glove manufacturing procedures, finishes are applied, allowing glove users to don and remove with ease, making a seamless experience as they replace gloves.
  • The powder makes the gloves easier to put on through absorbing excess moisture on the hands.
  • Polymer coating lets the hands slip onto the gloves easily with a slicker finish.
  • Chlorination lowers the tackiness of the material and makes it softer.

Lower Resistance to Friction

  • The blue pigment is added in the raw material stage; the finished product is not released, does not fade, has no effect on the product.
  • It is made of 100% synthetic nitrile rubber with low ion content.

6.2 Disadvantage of the nitrile gloves

  • Hard material, poor elasticity

Nitrile gloves need to be careful to avoid sharp clothing and do not vigorously pull or wear. Otherwise, it is easy to cause glove damage, shorten the service life of gloves.

  • The high cost.

The price is higher than latex products, ding qing material chemical resistance and resistance to acid and alkali effect than latex much better, so it is more expensive.

7. The market of nitrile gloves

Global-Nitrile-Gloves-Market

Nitrile glove market competition belongs to the global competition. For a long time, the nitrile glove market has been occupied by Malaysia and other southeast Asian countries, forming a relatively mature and stable market pattern. The nitrile production line was introduced late in China, and the relevant technology and production line were mainly from Malaysia and other southeast Asian countries.

However, China has a great advantage over Southeast Asian countries in terms of industrial support, production cost and environment, so the domestic nitrile glove production has a great competitive advantage, and the quality and price are gradually widely accepted by people.

Nitrile gloves belong to the middle and high-end products, after the unique process and formula improvement, permeability and comfort have been close to latex gloves.

Since customers’ choice of nitrile gloves itself means that they have high requirements on quality and use environment, the market and living space of low-end nitrile gloves are continually shrinking, the production and sales of nitrile gloves are gradually concentrated in the middle and high-end products, and the requirements on product quality are increasingly high.

Market Growth

The production technology of nitrile gloves has been updated rapidly in recent years. The new production technology represented by the single-handed two-handed mould process has dramatically improved the production efficiency, which also makes the new entrants have apparent advantages of late development.

At the same time, the investment cost of nitrile glove production line is higher than that of PVC gloves, and there are fewer professionals, so the capital and technical threshold of nitrile glove industry is higher.

However, with the steady and rapid development of Chinese industry, the arrival of industry 4.0 intelligent manufacturing, labour law and other laws and regulations to protect workers are gradually strengthened, and the investment of enterprises in labour insurance products is also significantly increased. Nitrile gloves have become a priority for enterprises when they choose gloves.

In the medical sector, where 12 to 30 per cent of the population is allergic to latex, nitrile gloves are increasingly used by governments and agencies to keep health care workers and patients safe.

According to the data, China has become the world’s leading consumer of NBR after the United States and Japan. Demand for nitrile gloves is increasing by more than 10% a year, according to CNKI.

8. Conclusion

Nitrile gloves are versatile, and their benefits are used across a large spectrum of industries. For countless industries, nitrile gloves are an ideal choice because they can offer numerous more benefits than either latex or vinyl for many applications.

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2020-04-11T02:28:43+00:00