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Gloves
Gloves are essential for laboratory work to protect against infection or contamination. Chemical protection gloves are strictly tested and are therefore CE marked. Choosing the right single-use glove is crucial for handling hazardous substances in the laboratory.
In our shop, we offer gloves from various manufacturers such as Braun, Agilent or Waters and made from several materials: nitrile, nylon or latex as well as latex-free models. To prevent unwanted contamination, you will find clean room gloves at Analytics-Shop, as well as chemical protective gloves for your own protection.
Further information on the material and categorization of protective gloves can be found here.
Categories of chemical protection gloves
There are different types of chemical protective gloves, which are divided into three types according to their permeation performance. The respective type is clearly marked on the glove by an Erlenmeyer flask in combination with the code letter for the respective chemicals tested.
Type A gloves: Performance level 2 (longer than 30 minutes) against at least six test chemicals of the 18 chemicals listed in EN ISO 374-1
Type B gloves: Performance level 2 (longer than 30 minutes) against at least three test chemicals of the 18 chemicals listed in EN ISO 374-1
Type C gloves: Performance level 1 (longer than 10 minutes) against at least one test chemical of the 18 chemicals listed in EN ISO 374-1
Materials of disposable gloves
Disposable gloves are usually made of nitrile, vinyl or latex. Depending on the material, the gloves are used in different areas.
Nitrile gloves have a high mechanical strength and are still elastic. They offer good protection against grease, acids, solvents, bacteria and viruses. Nitrile gloves can be used several times and are suitable for people who suffer from a latex allergy.
Vinyl gloves are very kind to the skin. They are soft and durable and offer a very low risk of hypersensitivity or contact-related allergies. The disadvantages are their low elasticity and tear resistance. Vinyl gloves provide good protection against viruses and bacteria.
Latex gloves have high elasticity, which makes them very comfortable and flexible. They are of good quality and protect against acids, bacteria and viruses. Latex gloves are not suitable for people with latex allergies.
Chemical resistance of gloves
Depending on the work to be performed and chemicals used we advise different types and materials of gloves. The chemical protection of gloves is reserved according to EN374. It is of great importance to select the right glove which effectively protects against the chemicals used. In general, nitrile gloves protect very well against oil-based chemicals (solvents, oils, greases), while natural latex gloves are for water-based chemicals (acids and bases).
It should be noted also that the imbuing, penetrating the glove thus damaging the glove material, starts with the first contact between glove and chemical. Depending of the penetration times different protection levels are distinguished.
| Substance | Latex-disposable | Vinyl-disposable | Nitrile-disposable | Neopren |
|---|---|---|---|---|
| 0,1 mm | 0,1 mm | 0,1 mm | 0,35 mm | |
| Category I | Category I | Category II | Category II and III | |
| Acetaldehyde | - | - | - | > 10 min |
| Acetonitrile | - | - | - | > 10 min |
| Dichlormethane | - | no recommendation | - | - |
| Acetic Acid conc. | - | - | > 30 min | > 120 min |
| Ethidium Bromide | - | - | > 480 min | > 480 min |
| Glycerol | - | > 10 min | > 120 min | > 480 min |
| Hexane | no recommendation | > 30 min | > 480 min | > 480 min |
| Nitrobenze | - | - | - | > 30 min |
| Pyridine | - | - | > 10 min | > 10 min |
| Nitric Acid 50% | - | - | > 30 min | > 240 min |
| Tetrahydrofuran | - | no recommendation | - | - |
| Toluol | - | no recommendation | > 10 min | - |