SILICA INFORMATION

Silica is a hard durable mineral which is available in many purities, crystalline structures, and particle sizes.

SILICA USES

This mineral is used in the manufacturing industry and for food and health products.

silica mineral

Grades of SILICA

SILICA CRISTABALITE M3000 Information

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SILICA SAND “0” INFORMATION

This high Silica sand is a natural product of the Ice Age.  The sand is sub angular and comes in many grades, meeting different specification standards and ASTM designations.

Packing: 100 pound paper bags, 30 bags/pallet
Origin: USA

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TYPICAL CHEMICAL ANALYSIS:  
Silicon Dioxide (SiO2) 98.93%
Iron Oxide (Fe2O3) 0.54%
Aluminum Oxide (Al2O3) 0.41%
Titanium Dioxide (TiO2) 0.09%
Calcium Oxide (CaO) 0.02%
Magnesium Oxide (MgO) 0.01%
Sulfate Trace
L.O.I. 0.11
TYPICAL SCREEN ANALYSIS:  
MESH % RETAINED ON   
30 0.2
40 56.4
50 38.7
70 3.4
100 1.2
140 0.1
PAN 3.0
PHYSICAL ANALYSIS:  
Color Light Tan
pH 7
Hardness (MOH) 7.0
Specific Gravity 2.54 – 2.71
Acid Solubility 0.08 – 0.11
Melting Point 3100 F.

SILICA #35 PRECIPITATED INFORMATION

This material is similar to smoked or fumed silica.  It has an ultimate particle size on the order of .01 micron and is easily dispersed.  Useful for thickening, flatting, flow control and absorption.  This product has a high purity and is suitable for manufacturing food and health products or industrial products.

Packing: 20 lbs net multiwall paper bags. 15 bags per wooden pallet.

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CHEMICAL ANALYSIS:  
Silica 98.0% Typical
Free Moisture (105 ̊ C) Less than 7% typically  6%
NaSO4 1.5%
Fe2O3 0.03%
Al2O3 0.2%
PHYSICAL ANALYSIS:  
Appearence White Powder
Whiteness 92+
pH 7.8 – 8.8
Density (bulk) 7.0 -8.5 lbs/cu. ft.
Refractive Index 1.45
Oil Absorption 270 gr. oil/100 gr.
Surface Area (BET) 190 sq. meter/gr.
Ultimate Particle Size 0.014 micron
Residue on 325 mesh (wet) 0.03%
Aggregate Particle Size 50 micron
LOI (1000 ̊ C x 2 hr) 5.0%

Packing: Bulk
Origin: USA

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TYPICAL CHEMICAL ANALYSIS:  
Silicon Dioxide (SiO2) 99.70%
Iron Oxide (Fe2O3) 0.023%
Aluminium Oxide (Al2O3) 0.101%
Titanum Dioxide (TiO2) 0.019%
Calcium Oxide (CaO) Trace
Magnesium Oxide (MgO) Trace
Loss of Ignition at 1200 ̊F 0.145%
PHYSICAL PROPERTIES:  
Specific Gravity 2.650
Reflective Index 1.547
pH 7.0
Porosity Non-porous
Bulking Index 0.04522 gal./lb.
SPECIFIC PROPERTIES:  
Surface Area — square meters / gram 2.06
Average Particle Size (microns) 1.9
Fineness of Grind (Hegman) 71/2
Bulk Density — lb./gal. (tapped) 5.442
Apparent Bulk Density — lb./cu. ft. (tapped) 40.7
Oil Absorption — lbs. of oil / 100 lbs. 47.5
Oil Absorption — lbs. of oil / 100 lbs. — Spatula Rub Out 36.2
Water Absorption — lbs. of water / 100 lbs.– Spatula Rub Out 43.5
Dry Color 90
Moisture Contentr 0.05% Maximum

SILICA CERAMIC COATED QUARTZ Information

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SILICA MICROCRYSTALLINE INFORMATION

This mineral is surface modified with an Epoxy Silane designed for superior bonding and improved performance in Polymer systems.  Two grades are offered with identical chemistry and differing particle size.

Packing: 50 lb bags or pallets ; Super Sacks
Origin: USA

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TYPICAL CHEMICAL SPECS:  
SiO2 99.3
Fe2O3 0.04
Al2O3 0.10
TiO2 0.02
CaO 0.02
MgO 0.02
TYPICAL PARTICLE SIZE:    
Size 325 grade 1250 grade
75u  200 mesh 93 – 98% 100%
44u  325“ 99% 99 -100%
TYPICAL PHYSICAL SPECS:  
Shape Platelets in clusters
Spec. Gravity 2.65
Index of Refraction 155
pH 6.0 – 7.0
Hardness 7 mohs
LOI at 1000 ̊C 0.2%
Oil absorption of the unmodified silica 17 -20 spatula method

SILICA MICROCRYST SURFACE MOD INFORMATION

This mineral is surface modified with an Epoxy Silane designed for superior bonding and improved performance in Polymer systems. Two grades are offered with identical chemistry and differing particle size.

Packing: 50 lb bags or pallets ; Super Sacks
Origin: USA

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TYPICAL CHEMICAL SPECIFICATION
SiO2 99.3
Fe2O3 0.04
Al203 0.10
Ti02 0.02
CaO 0.02
MgO 0.02
TYPICAL PHYSICAL SPECS
Shape Platelets in clusters
Spec. Gravity 2.65
Index of Refraction 1.55
pH 6.0-7.0
Hardness
 7 mohs
LOI at 1000 ̊C 0.2%
Oil absorption of the unmodified silica
17-20 spatula method
PARTICLE SIZE FOR TWO GRADES, as % passing
Size 325 grade 1250 grade
75u          200 mesh 99% 100%
44u          325 “
93-98
99-100%
20u — 94%
average
13 micron
 9 micron

SILICA SPHERICAL 7030 INFORMATION

This is a special round Silica, carefully graded to specific particle distributions. This item is used in applications where particle shape, very low dust and chemical purity are important.

Packing: 100 lb multiwall paper bags 30 bags per wooden pallet with plastic wrap
Origin: USA

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TYPICAL CHEMICAL ANALYSIS
SiO2 99.50%
Fe2O3 0.03%
Al203 0.10%
Ti02 0.02%
CaO 0.02%
MgO 0.01%
K20 0.03%
Na02 0.01%
TYPICAL CHEMICAL ANALYSIS
Mesh Percent Between
50 2.9
70 28.3
100 46.0
140 19.2
200 3.4
270 0.2

“P” QUARTZ SILICA INFORMATION

A pure white crystalline form of silica used in ceramics, soap, as an abrasive and as a general filler or extender. Also used in manufacture of investment castings and particularly recommended in the manufacture of epoxy resins.

Packing: 50-pound paper bags, 63 bags/pallet
Origin: USA

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TYPICAL CHEMICAL ANALYSIS
Silicon Dioxide (SiO2) 99.7%
Iron Oxide (Fe2O3)
 0.025%
Aluminum Oxide (Al2O3) 0.10%
Titanium Dioxide (TiO2) 0.15%
Calcium Oxide (CaO) 0.15%
Magnesium Oxide (MgO) 0.15%
Alkalie Trace
PHYSICAL ANALYSIS
pH 7
Hardness (MOH)
 7.0
Apparent Density 80.7 lbs per cu. ft.
Specific Gravity 2.65
Oil Absorption 26 lbs of oil per 100 lbs.
Melting Point 3100 F.
% Reflection 87.0
Yellowness Index 5

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