Characteristics: Dark colored crystals (the octahedral form in which the atoms have the diamond arrangement). The amorphous form is a dark brown powder. Soluble in a mixture of nitric and hydrofluoric acids and in alkalies. Insoluble in water, nitric and hydrochloric acid. Mohs hardness 7, dielectric constant 12, coordination number 6. Si atom is surrounded by 4 oxygen atoms. In this respect it is similar to carbon, except that it does not form compounds having double or triple bonds, and is less electronegative.
Hazards: Flammable in powder form.
In addition to the standard products listed in our online catalog, custom shapes and sizes are available upon request. If you have a custom requirement email us at sales@espimetals.com or use our custom quote request tool to tell us exactly what you require.
Due to market fluctuations of metal costs we do not list prices for our materials. Requests for quotations are typically responded to same day. To view stock material click on the element or alloy of interest. If you cannot find the exact material or size that you require submit a custom quote request by clicking the button below. Our extensive production capabilities allow us to re-work material to meet your exact needs.
For those times when an exact size is not critical we have pre-packaged our most popular sizes, inventoried them and have them ready to ship. Place your order by 1PM Pacific Time and your order will ship that day. Look for the truck logo to see which items are Ready To Ship.