materiel vermiculite.

Vermiculite Concrete

Vermiculite Concrete Introduction Vermiculite concrete is a low density non-structural construction product. It is insulating (both thermally and acoustically) and intrinsically fire resistant. It is normally made simply by mixing exfoliated vermiculite as the aggregate,

Vermiculite | McMaster-Carr

Ultra-High-Temperature Vermiculite Pipe Gaskets. Our highest -temperature gaskets, these are made of vermiculite to withstand temperatures up to 1800° F. They are reinforced with a stainless steel insert for added strength under pressures up to 740 psi. Also known as ring gaskets, use them with raised-surface pipe flanges; they fit the surface ...

Schundler Company Perlite and Vermiculite Products

The Schundler Company has been supplying perlite and vermiculite to customers in the Northeast US and beyond since 1951. Our product line includes a range of expanded vermiculite and perlite products primarily used in the horticultural, construction (including swimming pool) and industrial (including filtration) markets.

Vermiculite - an overview | ScienceDirect Topics

Chemical Characteristics— Vermiculite is a neutral clay, with a pH of 7.0–7.5 and low EC. This clay type contains two tetrahedral sheets for every octahedral sheet. Like the raw material, it has a permanent negative charge. Consequently, it has a CEC value of 15–21 cmol/kg and a …

Frequently Asked Questions - The Vermiculite …

vermiculite (or any other mineral or rock product) does not necessarily mean that "asbestos" is present in the product. Asbestos is a naturally-occurring material and can be found in trace amounts in the air, water and your garden soil. Vermiculite is not asbestos and is a safe, highly versatile mineral used

Protect Your Family from Asbestos-Contaminated …

Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. The expanded vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for ...

Vermiculite Gaskets | McMaster-Carr

Our highest temperature gaskets, these are made of vermiculite to withstand temperatures up to 1800° F. They are reinforced with a stainless steel insert for added strength under pressures up to 2, 900 psi. Commonly called full-face gaskets, they cover the entire face of flat-surface pipe flanges and align with the bolt holes. Gaskets are compatible with low-pressure pipe flanges; all gasket ...

Vermiculite - Wikipedia

Vermiculite is a hydrous phyllosilicate mineral which undergoes significant expansion when heated. Exfoliation occurs when the mineral is heated sufficiently, and commercial furnaces can routinely produce this effect. Vermiculite forms by the weathering or hydrothermal alteration of biotite or phlogopite. Large commercial vermiculite mines currently exist in the United States, Russia, South ...

How vermiculite is made - material, history, used ...

Vermiculite packing material is a commonly used dry, loose fill material for packaging. This insulated packaging materials provides cushioning for delicate objects to prevent impact and shock during shipping and handling. It is pourable, which allows for packing around irregularly shaped items. In addition to being used widely in packaging, its ...