Quartz Powder (fused and synthetic) (SiO2) from READE

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Reade Advanced Materials offers:

Quartz Crystal Powder

Quartz Powder Synonyms:

Quartzite, natural quartz crystal, synthetic quartz, natural silicon dioxide, Si02, natural silica

Quartz Powder Designations:

Chemical Name: Silicon dioxide

Chemical Formula: SiO₂

Quartz Powder Description:

1) Quartz, most common of all minerals is composed of silicon dioxide, or silica, SiO₂. It is an essential component of igneous and metamorphic rocks. The size varies from specimens weighing a metric ton to minute particles that sparkle in rock surfaces. The luster in some specimens is vitreous; in others it is greasy or glossy.

2) Some specimens are transparent; others are translucent. In pure form, quartz is colorless, but it is commonly colored by impurities. Rock crystal is a colorless form of quartz occurring in distinct crystals. Rose quartz is coarsely crystalline and colored rose red or pink. Smoky quartz occurs in crystals ranging from smoky yellow to dark brown. Amethyst, a semiprecious variety of quartz, is purple or violet.

3) Quartz crystals exhibit a property called the piezoelectric effect—that is, they produce an electric voltage when pressurized along certain directions of the crystal.

4) Quartz also rotates the plane of polarized light and is used in polarizing microscopes.

5) A free flowing granular solid

Quartz Powder Chemical Properties Available:

a) Purities are available between 99% and 99.9999%

b) Special Notice: Our highest purity quartz powder ("Super Pure Quartz") has the following typical chemistry (stated in ppm) from a batch manufactured around 1 April 2005:
Na= 0.83, K= 0.74, Li= 0.131, Ca= 0.45, Mg= <0.004, Fe= 0.16, Cu= 0.016, Mn= 0.005, Ni= 0.380, Cr= 0.028, Co= <0.024, Al= 4.07, Ti= <0.05, B= 0.02, and P= 0.02

Quartz Powder Physical Properties Available:

Gravel, Sand, and Powder

Quartz Powder Standard Granulations Available:

Sand Sizes:
    a) 45mm-.55mm
    b) 0.80mm-1.20mm

Gravel Sizes:
    a) 2 1/2 x 1 1/2
    b) 1/2 x 1/2
    c) 1 1/2 x 1
    d) 3/8 x 3/16
    e) 1 1/2 x 1/2
    f) 1/2 x 1/2
    g) 1 x 1/2
    h) 1/4 x 1/8
    i) 1 x 5/8
    j) 3/16 x #10 Mesh
    k) 1 x 1/2
    l) 1/8 x #16 Mesh

Powder Sizes:
    a) 8 x 20 mesh
    b) 12 x 30 mesh
    c) 30 x 50 mesh
    d) 100 mesh and finer
    e) 200 mesh and finer
    f) 325 mesh and finer
    g) Super Pure Quartz= 50 to 122 microns
    h) Average Particle Size Standard Grades are: 10 microns and 3 microns
    i) Finer granulations can be custom manufactured to customer specification

Quartz Powder Nominal Physical Constants:

Color	grayish white
Odor	Odorless
Bulk Density (^lbs/cu.ft)	165.5
Melting Point (°F)	2,912
Boiling Point (°F)	4,000
Mohs Hardness @20°C	7
Specific Gravity (g/cc)	2.60
Solid Specific Heat	0.23
Particle Shape	sub- angular
Crystallography	rhombohedral
Free Silica Content	yes

Quartz Powder Typical Applications:

Because of its piezoelectric properties, quartz crystal has important applications in the electronics industry. Different forms are also used as gemstones. Because it is a primary ingredient in sand it is also used to make glass & labware, silica brick, cement, and mortar. Ground quartz is used as an abrasive in stonecutting, sandblasting, and glass grinding. Powdered quartz is used in making porcelain, scouring soaps, sandpaper, and wood fillers. Recent uses are with solar panels.

Quartz Powder Packaging:

50 lbs. and 100 lbs. net in multiply paper bags; 3,000 lbs. net per super sacks; or loose bulk. For further information on packaging options Contact READE

Quartz Powder TSCA (SARA Title III) Status:

Yes. For further information please call the E.P.A. at 1.202.554.1404

Quartz Powder CAS Number:

7631-86-9

Contact READE

East Coast USA: +1-401-433-7000 / West Coast USA: +1-775-352-1000 / Latin America: +507-314-1282