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What type of glove is to be worn in a laboratory?

In the experiment, you will often contact various chemicals, such as strong acids, strong alkali solutions, and strong chemicals, while also coming into contact with high-temperature objects, such as a utensil on the electric furnace or a molten sample removed from the muffle, etc. It will cause damage to the skin, dry skin, jump, itching, heavy swelling, blisters, herpes, scarring, etc.
However, in general, the laboratory staff use only single plastic gloves and woven gloves, the opponents are insufficient, so correctly selecting and using gloves is an important measure to prevent hand injury.
What type of glove is to be worn in a laboratory?

Gloves grading


First, we first understand the grading of gloves, depending on the material and production process of gloves, gloves are divided into levels A, B, and C, and the A level is the best glove. Before the packaging box, you must pass a 100% leak test, and the glove of the needle eye will be removed. According to level divided, the gloves of gloves at level A, the needle rate of B-class and C is improved in turn. The lower the safety factor in the process of use, the potential safety hazards bring potential security.


Glove type


Disposable gloves

Used to protect users and processed objects, using work, such as laboratory or cleaning. It can be made of latex, nitrile rubber, or PVC.

Chemical protective gloves

Prevent chemical soaked. Made with a variety of synthetic materials, such as latex, PVC, butyl nitrite, butyl synthesis rubber, neoprene, and the like.

Weaving gloves

The kind of woven glove can be roughly divided into polyester, nylon, and cotton made of general purpose gloves, with Kevlar) materials, Dyneema materials and steel material cutting gloves; small compared column Natural latex and Laika yarn and elastic gloves made of other fibers; special use gloves made of materials such as hot foam or vibrating foam (can be divided into ultra-cleaning gloves and Sterile Gloves.)

General-purpose gloves

For anti-wear, puncture, cutting, etc., suitable for handling, processing items, etc., often use knitted fabrics, leather, or synthetic materials.

Antipyneous gloves

Can be insulated for high-temperature work environments, often use thick leather, special synthetic coating, insulating cloth, glass wool.

Common protective gloves

Natural rubber, nitrile rubber, polyvinyl chloride (PVC), neoprene, butyl rubber, polyvinyl alcohol (PVA), PE gloves.


How to choose protective gloves?

How to choose protective gloves, easy to choose the right protective gloves, as follows:

NAME Latex Butyl synthetic rubber
Neoprene
PVC PVA Nitrile
Inorganic acid
Good
Good
Excellent
Good
Poor
Excellent
Organic acid
Excellent
Excellent
Excellent
Excellent
Excellent
Excellent
Corrosion
Excellent
Excellent
Excellent
Good
Poor
Good
Methanol
Excellent
Excellent
Excellent
Excellent
General
Excellent
Toluene
Poor
General
General
Poor
Excellent
Poor
Petroleum distillate
Excellent
General
Excellent
Poor
Excellent
Excellent
Ketone
General
Excellent
Good
Not recommended
General
General
Paint diluent
General
General
Not recommended
General
Excellent
General
Benzene
Not recommended
Not recommended
Not suitable
Not recommended
Excellent
General
Formaldehyde
Excellent
Excellent
Excellent
Excellent
Poor
General
Ethyl acetate
General
Good
Good
Poor
General
General
Fat
Poor
Good
Excellent
Good
Excellent
Excellent
Phenol
General
Good
Excellent
Good
Poor
Not recommended
Wear-resistant
General Good
General
Good
Good
Excellent
Puncture resistance
Excellent
Good
Excellent
General
Excellent
Excellent
Heat resistant
Excellent
Poor
Excellent
Poor
General
General
Grasping (dry)
Excellent
General
Good
Excellent
Excellent
Good
Grasping (wet)
Good
General
General
Excellent
Excellent
General
Excellent> Good> General> Poor> Not suitable> Not recommended


1. Nitrile rubber gloves can effectively protect the acid and alkali, but the organic solvent protection in general, the price is moderate, is the preferred in the general laboratory.
2. PVA protective gloves effectively protect most of the chemicals, but their flexibility is poor and expensive.
3. When using a variety of chemicals, consider the harm of the contact chemicals and select the highest protection level according to the characteristics of the glove material, or consider wearing a double layer (different material) gloves for protection.
4. In addition, to pay attention to the material, species, you need to pay attention to the size, if the glove is too tight, wear is not suitable and the protective hand is easy to break; if it is too loose, it is not flexible and easy to fall off, leading to the failure.
5. In short, there is no "universal universal" glove, and the correct and suitable gloves are selected according to the contact of the chemicals.


How to use protective gloves correctly?

The protective glove is selected, is this over? of course not!
Correct protective gloves + correct usage = effective protection

Before use:

(1) Check: To check the gloves or damage, abrasive, especially the fingertips; can expand gloves to the original 1.2 times to 1.5 times, immersed in water, and check whether there is leakage.
(2) Cleaning: Wash your hands before wearing gloves, preventing the gloves from being brought to the gloves, to breed bacteria in a warm and humid, causing dermatitis.
(3) Protection: If there is a wound in his hand, before wearing gloves, you should cure or cover the wound, prevent bacteria and chemicals from entering the human body, resulting in secondary injuries.

Using:

× Remember cannot be used, select the correct protective glove to ensure effective protection.
× Take particular attention to the use of gloves to prevent harmful substances to skin and clothes to prevent secondary pollution.
× Do not share gloves to prevent cross infections.

After use:

(1) Dangerous waste disposal: gloves with harmful chemicals should be treated as chemical waste, and the protective gloves containing biological pollutants should be treated as biological harmful substances, and they cannot be discarded.
(2) Pay attention to the hand: Do not ignore any skin of erythema or pain, dermatitis, and other skin diseases, if the hand is dry, itchy, bubble, etc., you should consult the doctor in time;
(3) Protective Hand: After picking up the glove, it should be cleaned and wiped with some hand cream to supplement the natural protective grease to prevent the hand from drying.

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