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HomeProduct name listFiber Glass Wool

Fiber Glass Wool

Synonym(s):Glass;Fibrous Glass;Glass wool;Petri Dishes;Beakers

  • CAS NO.:65997-17-3
  • Empirical Formula: CaNaO4P
  • Molecular Weight: 158.039131
  • MDL number: MFCD00147032
  • EINECS: 266-046-0
  • Update Date: 2024-08-21 22:41:43
Fiber Glass Wool Structural

What is Fiber Glass Wool?

Description

Fibrous glass is the name for a manufacturedfiber in which the fiber-forming substance is glass. Glassesare a class of materials made from silicon dioxide with oxides of various metals and other elements that solidify fromthe molten state without crystallization. Typically, glassfilaments .3 μm in diameter or glass “wool” with diameters down to 0.05 μm and length>1 μm. A fiber isconsidered to be a particle with a length-to-diameter ratioof 3:1 or greater. The volume of small diameter fiber production has not been determined. Fibers with diameters lessthan 1 μm are estimated to comprise less than 1% of thefibrous glass market. Specific gravity (H2O:1)=2.5.Hazard Identification (based on NFPA-704 M RatingSystem): Health 1, Flammability 0, Reactivity 0. Insolublein water.

Chemical properties

generally sold as a wool-like material

Chemical properties

Fibrous glass is the name for a manufactured fiber in which the fiber-forming substance is glass. Glasses are a class of materials made from silicon dioxide with oxi des of various metals and other elements, which solidify from the molten state without crystallization. Typically, glass filaments >3 μm in diameter or glass “wool” with diameters down to 0.05 μm & length >1 μm.A fiber is considered to be a particle with a length-to-diameter ratio of 3:1 or greater. The volume of small diameter fiber pro duction has not been determined. Fibers with diameters less than 1 μm are estimated to comprise less than 1% of the fibrous glass market. Specific gravity (H2O:1) = 2.5. Hazard identification (based on NFPA-704 M Rating System): Health 1, flammability 0, reactivity 0. Insoluble in water.

The Uses of Fiber Glass Wool

Thermal, acoustic, and electrical insulation (coarse fibers in bats or sheets); decorative and utility fabrics such as drapes, curtains, table linen, carpet backing, tenting, etc.; tire cord as belt between tread and carcass; filter medium; reinforced plastics; light transmission for communication signals; reinforcement of cement products for construction use.

The Uses of Fiber Glass Wool

Glasswool is used for thermal and acoustical insulation in construction and ship building; for air filtration in furnaces and airconditioning systems.

The Uses of Fiber Glass Wool

Silica glass spheres are low density filler for coatings and plastics. Silica was used in synthesis of silicalite. Silica was also used to assist the catalytic growth of oxide and nitride nanowires.

Definition

Generic name for a manufactured fiber in which the fiber-forming substance is glass (Federal Trade Commission). Noncombustible.

Definition

glass: Any noncrystalline solid; i.e. asolid in which the atoms are randomand have no long-range ordered pattern.Glasses are often regarded as supercooledliquids. Characteristicallythey have no definite melting point,but soften over a range of temperatures.
The common glass used in windows,bottles, etc., is soda glass,which is made by heating a mixtureof lime (calcium oxide), soda (sodiumcarbonate), and sand (silicon(IV)oxide). It is a form of calcium silicate.Borosilicate glasses (e.g. Pyrex) aremade by incorporating some boronoxide, so that silicon atoms are replacedby boron atoms. They aretougher than soda glass and more resistantto temperature changes,hence their use in cooking utensilsand laboratory apparatus. Glasses forspecial purposes (e.g. optical glass)have other elements added (e.g. barium,lead). See also spin glass.

General Description

Silica is a naturally occurring material in minerals, flint and in some plants in crystalline phase. Silica used in industries is in synthetic form. Surface area, pore volume, pore size and particle size are independently controllable to some extent. The crystalline silica may be classified based on atmospheric pressure as:
a. Quartz = 1143K
b. Tridymite 1143 - 1743K
c. Cristobalite = 1743, over 1973K it forms amorphous vitreous silica glass.

Hazard

A possible carcinogen.

Health Hazard

Glass fibers cause skin, eye, and upper respiratory tract irritation; although earlier classified by IARC to be a Group 2B carcinogen, possibly carcinogenic to humans, more recent evaluations indicate the human risk, if any, to be minimal.

Industrial uses

Fine flexible glass fibers made from glass are used for heat and sound insulation, fireproof textiles,acid-resistant fabrics, retainer mats for storage batteries, panel board, filters, and electrical insulating tape, cloth, and rope. Molten glass strings out easily into threadlike strands, and this spun glass was early used for ornamentalpurposes but the first long fibers of fairly uniformdiameter were made in England by spinningordinary molten glass on revolving drums.
The standard glass fiber used in glass-reinforced plastics is a borosilicate type known asE-glass.Glass cloth of plain weave of either continuous fiber or staple fiber is much used forlaminated plastics.

Industrial uses

Glass, one of the oldest and most extensivelyused materials, is made from the most abundantof Earth’s natural resources — silica sand. Forcenturies considered as a decorative, fragilematerial suitable for only glazing and artobjects, today glass is produced in thousandsof compositions and grades for a wide range ofconsumer and industrial applications.

Industrial uses

The primary engineering benefits of glass fibersare their inorganic nature, which makesthem highly inert; high strength-to-weightratio; nonflammability; and resistance toheat, fungi, and rotting.
Glass fibers are produced in both filamentand staple form. Their major engineering usesare thermal and/or acoustical insulation andas reinforcements, primarily for plastics.

Source

Kaolin and Ground silica  are  the major batch components in the production of fiberglass

Potential Exposure

The major uses of fibrous glass are in thermal, electrical, and acoustical insulation; weatherproof ing, plastic reinforcement; filtration media; and in structural and textile materials.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. If this chemical has been inhaled,remove from exposure, and move to fresh air.

storage

Color Code—Green: General storage may be used.Dust only: Color Code—Red: Flammability Hazard: Storein a flammable materials storage area. Prior to workingwith this chemical you should be trained on its proper handling and storage.

Waste Disposal

Fibrous glass waste and scrap should be collected and disposed of in a manner which will minimize its dispersal into the atmosphere. Emphasis should be placed on covering waste containers; proper stor age of materials; and collection of fibrous glass dust. Clean-up of fibrous glass dust should be performed using vacuum cleaners or wet cleaning methods. Dry sweeping should not be performed.

Properties of Fiber Glass Wool

Melting point: 680 °C
Boiling point: 1000 °C
Density  1.1 g/mL at 25 °C(lit.)
storage temp.  15-25°C
form  Fiber (particle with a lengthto-diameter aspect ratio of 3 to 1 or greater).
PH 9-11 (100g/l, H2O, 20℃)(slurry)
Stability: Stable.
EPA Substance Registry System Glass, oxide, chemicals (65997-17-3)

Safety information for Fiber Glass Wool

Signal word Danger
Pictogram(s)
ghs
Health Hazard
GHS08
Precautionary Statement Codes P201:Obtain special instructions before use.
P202:Do not handle until all safety precautions have been read and understood.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P308+P313:IF exposed or concerned: Get medical advice/attention.
P405:Store locked up.
P501:Dispose of contents/container to..…

Computed Descriptors for Fiber Glass Wool

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