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Asbestos :: Washington State Department of Health

Attic and wall insulation produced using vermiculite ore, particularly ore that originated from a Libby, Montana mine and sold under the name "Zonolite Attic Insulation" may contain asbestos fibers. Vermiculite was mined in Libby between 1923 and 1990.

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Safety Data Sheets (SDS) · Dicalite Management Group

Safety Data Sheets (SDS) At Dicalite Management company, safety is one of our biggest concerns. Use this Safety Data Sheet library to learn how to ensure you use our products safely and in accordance with federal, state, and local regulations.

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Vermiculite Northwest Fact Sheet, 2009 Update

Fact Sheet – 2009 Update . DOH 334190 1RYHPEHU ... vermiculite ore from the 1940s until it closed in 1974. The ore used at the former Vermiculite Northwest facility was obtained from a mine in Libby, Montana, which was last owned and operated by the Grace Company. The ore

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Asbestos Analysis of Vermiculite and Vermiculite ...

Asbestos in Vermiculite History Libby, Montana • The Libby mine was the source of estimated 7090% of all vermiculite sold in the from 1919 to 1990 • W. R. Grace bought the mine and processing facility in 1963 and operated it until 1990. Vermiculite expands or "pops" when heated. This creats pockets of air that make the material ...

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The Truth About Asbestos

The Truth About Asbestos . ... These products include asbestoscement corrugated sheet, asbestoscement flat sheet, asbestos clothing, pipeline wrap, roofing felt, vinylasbestos floor tile, asbestoscement ... vermiculite ore contaminated with asbestos from it’s mine in Libby, Montana.

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Vermiculite fire resistant filling for fireplaces ...

Vermiculite Spec Sheet (pdf, 638Kb) Dineen Vermiculite, manufactured in Ireland by exfoliating (expanding by heating) raw vermiculite mineral; is a multi use ultra lightweight product, golden brown in colour, completely natural, free from any additives, non hazardous and irritant free. The manufacturing process involves heating the natural ore ...

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EPA/Asbestos/Vermiculite Fact Sheet University of …

What is vermiculite and where does it come from? Vermiculite is produced from ore mined throughout the world. In the United States, mines are located in Montana, South Carolina, and ia. When heated, the ore expands into a light, rather fluffy material, that is fire resistant, chemically inert, absorbent, light weight, and odorless.

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

Vermiculite ore deposits may also contain a variety of other materials such as mica, quartz, and feldspar. These deposits vary from one mining location to another. During the manufacturing process, some of these materials may pose potential health hazards to workers.

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NIOSH Recommendations for Limiting Potential Exposures of ...

NIOSH Recommendations for Limiting Potential Exposures of Workers to Asbestos Associated with Vermiculite from Libby, Montana ... and is currently used throughout the world. Vermiculite ore mined near Libby, Montana, which accounted for more than half the worldwide production of vermiculite from 1925 to 1990, was contaminated with asbestos and ...

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Schundler Company Vermiculite Technical Information

or our new Vermiculite SDSVermiculite Safety Data Sheet. ... (see IOM Sampling and Analysis of Palabora OreSeptember 2006) THE LATEST REPORT. The August 2006 IOM (Institute of Occupational Medicine) ... The Schundler Company does not necessarily produce all these grades, and uses grades which may not conform to these specifications at all ...

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Vermiculite ThermORock East, Inc.

Vermiculite Ore. ThermORock East uses its Quality Assurance program to offer vermiculite to exacting specifications in size and bulk density for specialized products. It is also available in our standard sizing and bulk densities. ... Vermiculite Safety Data Sheet (SDS) OMRI Listed for Organic Use. Vermiculite OMRI Listed Certification 2A (US)

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Paracel Laboratories Ltd. Asbestos / Vermiculite

Walls and floors around woodburning stoves protected with asbestos paper, millboard, or cement sheets. ... Of concern is vermiculite ore produced by the Libby Mine in Montana from the 1920''s to 1990. ... Vermiculite from the Libby Mine often contains amphibole asbestos. Products made from vermiculite ore produced by the Libby Mine were not ...

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CDC Vermiculite NIOSH Workplace Safety and Health Topic

Vermiculite is a mineral that rapidly expands when heated. Expanded vermiculite is used in construction and consumer materials. Vermiculite mined near Libby, Montana, which accounted for more than half the worldwide production of vermiculite from 1925 to 1990, was contaminated with asbestos and asbestoslike fibers.

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VERMICULITE IS NOT ASBESTOS

• Vermiculite is a sheet silicate mineral that is found as flaky crystals; it is not a fibrous mineral like asbestos. Fibres of vermiculite can be formed by breakage of ... to contain asbestos minerals but asbestos is not intrinsic to vermiculite and only a few ore bodies have been found to contain more than tiny trace amounts.

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Vermiculite an overview | ScienceDirect Topics

Attic insulation produced using vermiculite ore, particularly ore that originated from the Libby mine, may contain asbestos fibers. ... and this charge is largely located in the tetrahedral sheet. The distinction of vermiculite from smectite is arbitrary, ...

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US5079280A Low temperature expandable vermiculite and ...

US5079280A Low temperature expandable vermiculite and intumescent sheet material containing same Google Patents Low temperature expandable vermiculite and intumescent sheet …

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Absorbent Vermiculite Technical Data Sheet | Sinclair Pro ...

Absorbent Vermiculite Technical Data Sheet . ... Vermiculite as a liquid absorber is a light, noncombustible mineral which, although insoluble in water, oils and organic solvents generally, will absorb many times its own weight of various liquids and yet remain freeflowing. ... The source of the mineral for the manufacture of Vermiculite is a ...

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VNW factsheet final

Summary fact sheet for the former Vermiculite Northwest facility New health report: ... • After the former Portland Vermiculite Northwest plant stopped processing vermiculite, the Oregon Department of Environmental Quality (DEQ) cleaned the building in 2001.

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SUPREME PERLITE COMPANY SAFETY DATA SHEET

SAFETY DATA SHEET SECTION 4: FIRST AID MEASURES Inhalation: Remove to fresh air. Blow nose. Consult physician if symptoms persist. Eyes: Flush with water. DO NOT rub eyes. Consult physician if symptoms persist. Skin: Wash with water. Apply creams or lotions to prevent drying.

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Vermiculite Wikipedia, the free encyclopedia

Vermiculite General Category Phyllosilicate Chemical formula (MgFe,Al) 3 (Al,Si) 4 O 10 (OH) 2 ·4H 2 O ... tetrahedral sheets for every one octahedral sheet. It is a limited expansion clay with a medium ... particularly with US mined vermiculite ore.[citation needed]

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Protect Your Family from AsbestosContaminated Vermiculite ...

Concerns about Asbestoscontaminated Vermiculite Insulation A mine near Libby, Montana, was the source of over 70 percent of all vermiculite sold in the United States from 1919 to 1990. There was also a deposit of asbestos at that mine, so the vermiculite from Libby was contaminated with asbestos.

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Perlite Vermiculite Questions

The Perlite Institute has undertaken a project to collect available data both on Perlite ore and expanded perlite products. This report summarizes the results of the findings. ... Do you have a Material Safety Data Sheet (SDS) for your manufactured Perlite? ... Do you have a Material Safety Data Sheet (SDS) for your manufactured Vermiculite ...

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MATERIAL SAFETY DATA SHEET Southwest Fireproofing

Supplemental Information: Expanded vermiculite is one of the mix ore bodies also contain other naturally occurring minerals in addition to vermiculite. These include tremolite and actinolite. Both of these ... This material safety data sheet is furnished without charge to responsible persons who use it at their ...

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What is Vermiculite? The Vermiculite Association

Vermiculite is mined using open cast mining techniques where the ore is separated from other minerals and then screened or classified into several basic particle sizes. Every care is taken in mining operations to minimize the impact on the environment and to restore land to its natural condition when mining ends.

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Perlite Ore · Dicalite Management Group

Perlite ore is formed by magmatic processes, and water is entrapped in the perlite matrix over geologic time periods. These microscopic pockets of water give perlite ore it’s unique ability to “pop” under proper hightemperature conditions.

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