Is Aerosil 200 hydrophobic?

AEROSIL® 200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g.

What is Aerosil made of?

Aerosil® is a colloidal form of silica that is a very light and fluffy powder. It is made by burning silicon tetrachloride in a hydrogen-oxygen furnace. This produces spherical particles; the particle size can be controlled and varying grades are available ranging in size from 4 to 25 micrometers.

Is aerosil hydrophobic or hydrophilic?

Hydrophilic
AEROSIL® 200 Key points at a glance: Hydrophilic surface with a medium-high surface area. It is one of the most widely used grades of fumed silica.

Is fumed silica safe to eat?

* Do not eat, smoke, or drink where Silica, Amorphous (Fume) may be present since the chemical can be swallowed. Wash hands carefully before eating, drinking, smoking, or using the toilet.

Is fumed silica poisonous?

The general answer is “no”, fumed silica is not a dangerous material. Fumed silica is an non-toxic non-harmful material. It is not combustible nor explosive. In fact fumed silica has been applied in cosmetic, food and drugs for years.

What is aerosol spray used for?

In addition, aerosols are used in healthcare as disinfectants, inhalers, anesthetic preparations, etc. Household preparations in aerosol cans include air fresheners, cleaning agents, car cosmetics, paints and varnishes, etc. Last but not least, certain foodstuffs, such as oil or whipped cream.

Can you touch fumed silica?

* Silica, Amorphous (Fume) can irritate the eyes on contact. Repeated exposure can damage the eyes. * High exposure to Silica, Amorphous (Fume) can cause a flu-like illness with headache, fever, chills, aches, chest tightness and cough. * Repeated exposure to Silica, Amorphous (Fume) can cause lung damage (fibrosis).

Is aerosol spray harmful?

Many aerosol sprays contain highly toxic chemicals like xylene and formaldehyde – yes the same chemical used to preserve anatomical specimens in a jar. These toxic ingredients also include neurotoxins and carcinogens that are extremely hazardous for adults, children and family pets.

How long can COVID be airborne?

Transmission of COVID-19 from inhalation of virus in the air can occur at distances greater than six feet. Particles from an infected person can move throughout an entire room or indoor space. The particles can also linger in the air after a person has left the room – they can remain airborne for hours in some cases.

How much pressure is in a aerosol can?

Typically the contents are stored at 2 to 8 times normal atmospheric pressure.