Harmful Chemicals Commonly Used in the Polymer Industry

The common synonyms used in the polymer and chemical industry for this chemical are Calcined Brucite, Calcined Magnesia, Calcined Magnesite, Granmag, Magcal, Maglite, Magnesia, Magnesia USTA, Magnezu Tlenek (Polish), Magox, Pericalse, and Seawater Magnesia.
Exposure to this chemical may lead to a few toxic effects on vital organs, such as the eyes, lungs and respiratory system. Experiments reveal that the toxic effects of Magnesium Oxide on human beings are pronounced at a dosage of 400 mg/m 3.
An individual exposed to this chemical may show some or all of the following symptoms:
Irritated eyes and nose
Flu-like fever
Cough
Chest pain
Metal fume fever
Muscle weakness
Nausea
Vomiting
Leucocytosis
This chemical has no known mammalian reproductive toxicity.
This chemical is not listed as a carcinogen in any regulation, such as MAK, NTP, ACGIH, NIOSH, OSHA, and IARC.
OSHA PEL gives the final rule limits for Magnesium Oxide as TWA = 10 mg/m 3. The transitional limits have been recorded as 15 mg/m 3. ACGIH TLV has also put the TLV for this chemical at 10 mg/m 3.
The types of protective equipment recommended for respiration-related effects are listed in Table 3-8:
| Dosage of Exposure | Recommended type of Respirator |
|---|---|
| 100 mg/mJ | Any dust, mist, and fume respirator with a full face-piece |
| Any supplied-air respirator | |
| Any self-contained breathing apparatus | |
| 250 mg/mJ | Any supplied-air respirator operated in continuous-flow mode |
| Any... |