rock wool
mineral wool

Rock wool, less common and often more expensive, is similar.

Some preliminary studies have raised concern about the dangers of unregulated rock wool.

So he tucked it into the rock wool between his horns for safekeeping.

Rock wool is usually loose-fill and gray with black specks.

She said that some homes might have mineral fiber insulation, including fiberglass and rock wool.

It will be insulated with noise absorptive materials such as rock wool.

The upper part of the stove is often insulated with rock wool and firebricks.

Rock wool (and not fiberglass) has chemical compositions that are very similar to asbestos.

Rock wool has many advantages and some disadvantages.

The resultant slag is drawn off and spun to form the rock wool product.

Working with fiberglass and rock wool can cause skin and respiratory irritation.

Rock wool is an inert substrate suitable for both run to waste and recirculating systems.

Rock wool (mineral wool) is probably the most widely used medium in hydroponics.

For insulation, choose six-inch-thick spun fiberglass or rock wool having a thermal value of R-19.

He suggested to Gray that rock wool in place of excelsior would prevent similar accidents in the future.

Burroughs built his own instead, substituting rock wool for the sheet iron, but still achieved the desired effect.

It is advisable to start this type of indoor cultivation with cubes of rock wool.

Some rock wool contains recycled glass.

These products reduce the work (heat loading) that "resistance insulation" such a fiberglass, foam, and rock wool have to do.

A certain construction engineer told me once that above that splendid wooden ceiling there is fibreglass and rock wool.

Chambers' patented method of manufacture used thick rock wool insulation to insulate the oven on all sides.

Plants are grown in rock wool and pollinated by bumblebees that are kept inside the greenhouses.

Fiberglass and rock wool.

Usually this is normal house insulation, using materials such as polyisocyanurate foam, rock wool, foil and polystyrene.

She headed back to the office, leaving Roger wrestling a ten-kilogram lump of very high-grade rock wool onto his workbench.

Older mineral wool can contain asbestos, but normally this is in trace amounts.

Mineral wool slabs are stuck on to the outer face of the wall and held by special fixing devices.

Both mineral wool and fibreglass are used in autoclaves.

Mineral wool is comparable to long-fiber fiberglass as an insulator.

HF absorption can be reduced somewhat by wrapping the mineral wool in a plastic film.

That translates to a thickness of 19 1/4 inches of fiberglass or mineral wool.

Mineral wools are capable of operating at high temperatures and exhibit good fire performance ratings when tested.

Rock wool (mineral wool) is probably the most widely used medium in hydroponics.

Air can be blown through molten slag to make a fluffy insulation made mineral wool.

As with other forms of mineral wool, glass-wool insulation can be used for thermal and acoustic applications.

Mineral wool may contain a binder, often food grade starch, and an oil to reduce dusting.

Glass fiber, mineral wool and cotton fiber can be spun into blankets or bats.

They may be used as insulating material such as mineral wool and basalt fibre.

Mineral wools are unattractive to rodents, but will provide a structure for bacterial growth if allowed to become wet.

Blankets and batts are most commonly made of spun fiberglass or mineral wool.

Industrial applications of mineral wool include thermal insulation, filtration, soundproofing, and hydroponics.

Rockwool mineral wool in blanket form is an effective alternative to glass fibre.

Traditional sound absorbers are porous materials such as mineral wool, glass or polyester fibres.

The outermost layer is usually simply an insulation material, e.g., mineral wool.

Rock and slag wool, also known as mineral wool or mineral fiber.

Prolonged exposure could lead to long-term effects, and some types of mineral wool are considered a possible carcinogen to humans, similar to asbestos.

Working with fiberglass and mineral wool is uncomfortable and can cause skin and respiratory irritation.

Mineral wools are used on all types of pipework, particularly industrial pipework operating at higher temperatures.

Mr. Verhalen said the new product essentially contained more mineral wool and binders, but no asbestos.

The first involves inserting mineral wool between the ceiling beams, and the second, producing a shortened form of a double height ceiling.