Rock wool


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rock wool

[′räk ‚wu̇l]
(materials)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Rock wool

An insulating material that looks like wool, but is composed of substances such as granite or silica.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

rock wool

A type of mineral wool made by forming fibers from molten rock; used in thermal insulation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Glass and rock wool reached a combined market share of 56%, with predominantly glass wool being used.
The rock wool insulation comes in rigid boards: 4 ft x 4 ft and 4 ft x 8 ft and in 5 lb/[ft.sup.3] to 10 lb/[ft.sup.3] (80 kg/[m.sup.3] to 160 kg/[m.sup.3]) densities.
After the wall was covered with a 10 cm layer of rock wool from the noisy side, sound insulation of 45 dB was obtained, which meets sound insulation classes A and B for the facade at the presence of outdoor environment classes D and E.
Controlled Factor Level 1 Level 2 Growing medium (cubes) Rock wool Plastic fiber Lettuce cultivar Rex Bib Leaf Nutrient solution: Flow rate 1 Lpm 2 Lpm pH 5.4 6.0 Electrical conductivity 1.4 mmho [cm.sup.-1] 1.8 mmho [cm.sup.-1] Temperature 20[degrees]C 30[degrees]C Seed germination and seedling transplanting
The North American Insulation Manufacturers Association (NAIMA) is a trade association of North American (United States, Canada, and Mexico) manufacturers of fiber glass, rock wool, and slag wool insulation products.
Fibrous materials and rock wool products tend to hold wetness longer than rigid Foamglass[R] or other, less porous, insulation materials; however, all materials absorb and hold some moisture.
The plants are placed in rock wool, a fiberglass-like material, and flooded six to 10 times a day with fertilizer- rich water.
"Short of a total restructuring of the ferrous iron casting industry, the decade of the '90s should certainly have more than adequate supplies of quality foundry coke for the North American marketplace." The usage of slags in the manufacture of rock wool was discussed by William F.
M2 EQUITYBITES-April 27, 2018-Owens Corning acquires Guangde SKD Rock Wool Manufacture Co Ltd
As per the agreement, ENOC Lubricants will supply its high-quality and performance lubricants to Fujairah Building Industries Group, which includes Emirates Ceramic Factory, Fujairah Rock Wool Factory, Fujairah National Quarry, Fujairah Marble & Tiles Factory and Fujairah Concrete Products, ensuring smoother operations while also reducing maintenance costs.
A metal waste company has been fined pounds 5,000 after harmful rock wool fibres were released into the air from its Teesside factory.