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SiO2 Colloidal Silica

Colloidal silica is a widely used material in industry.  NYACOL® offers a range of grades which vary by particle size, counter-ion, pH, solids and surface modification.

NYACOL colloidal silica is used as a binder in investment casting, catalysts and refractories, precision polishing, anti-skid and anti-block coatings and concrete formulations.  For questions, please contact NYACOL.

Sodium Stabilized

NexSil™ 5
NexSil™ 5
Wt.% : 14.5 - 15.5
Particle Size : 4 - 6 nm
Carrier : Water

Paper, steel and precision polishing applications where a very small particle size is required.

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NexSil™ 8
NexSil™ 8
Wt.% : 30
Particle Size : 8 nm
Carrier : Water

Precision investment casting, metal surface treatment, textile treatment, catalyst binder or where a very small particle size is required.

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NexSil™ 12
NexSil™ 12
Wt.% : 30
Particle Size : 12 nm
Carrier : Water

Precision investment casting, metal surface treatment, textile treatment, catalyst binder or where a very small particle size is required.

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NexSil™ 12HS
NexSil™ 12HS
Wt.% : 40
Particle Size : 12 nm
Carrier : Water

Precision investment casting, metal surface treatment, textile treatment, catalyst binder or where a very small particle size is required.

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NexSil™ 20
NexSil™ 20
Wt.% : 40
Particle Size : 20 nm
Carrier : Water

Precision investment casting, precision polishing, metal surface treatment, textile treatment, catalyst binder or other applications where a small particle size is required.

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NexSil™ 85-40
NexSil™ 85-40
Wt.% : 40
Particle Size : 50 nm
Carrier : Water

Sapphire polishing, anti-slip coatings.

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NexSil™ 125-40
NexSil™ 125-40
Wt.% : 40
Particle Size : 85 nm
Carrier : Water

Anti-slip coatings.

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NexSil™ 12-FS
NexSil™ 12-FS
Wt.% : 28
Particle Size : 10 - 14 nm
Carrier : Water

The product can be used in applications such as textile treatment, catalyst binder, surface treatment, precision investment casting and other applications requiring a very small particle size colloidal silica.  The product is freeze recoverable.

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NexSil™ 8EG
NexSil™ 8EG
Wt.% : 28
Particle Size : 8 - 12 nm
Carrier : Water

The particles are negatively charged and have a high specific surface area making NexSil 8EG useful in precision investment casting, metal surface treatment, catalyst binder or other applications where a very small particle size colloidal silica is required.  The product is freeze recoverable.

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NexSil™ 12HS-FS
NexSil™ 12HS-FS
Wt.% : 40
Particle Size : 12 nm
Carrier : Water

NexSil 12HS-FS is an alkaline dispersion of 12 nm colloidal silica at 40% SiO2 concentration.  It contains a small amount of ethylene glycol as a freeze stabilizer.  The product can be used in a wide range of industrial applications where a very small particle size colloidal silica is required.

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Acid Sols

NexSil™ 20A
NexSil™ 20A
Wt.% : 30
Particle Size : 20 nm
Carrier : Water

For use with trivalent chromium conversion coatings; catalyst formulations.

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Potassium Stabilized

NexSil™ 20K-30
NexSil™ 20K-30
Wt.% : 30
Particle Size : 20 nm
Carrier : Water

Precision investment casting, precision polishing, metal surface treatment, textile treatment, catalyst binder or other applications where a small particle size, low-sodium colloidal silica is required.

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NexSil™ 85K-40
NexSil™ 85K-40
Wt.% : 40
Particle Size : 50 nm
Carrier : Water

Intended as an abrasive for formulated polishing slurries.

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Ammonia Stabilized

NexSil™ 20NH4
NexSil™ 20NH4
Wt.% : 40
Particle Size : 20 nm
Carrier : Water

Precision investment casting, metal surface treatment, textile treatment, catalyst binder or applications where a very small particle size is required and low sodium are required.

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NexSil™ 85NH4
NexSil™ 85NH4
Wt.% : 40
Particle Size : 50 nm
Carrier : Water

Catalyst binder, precision polishing.

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Surface Functionalized Silica

NYACOL® DP9711
NYACOL® DP9711
Wt.% : 30
Particle Size : 20 nm
Carrier : Water

Provides reactive surface functionality for polymer systems.

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NYACOL® S125M
NYACOL® S125M
Wt.% : 85
Particle Size : 70 - 80 nm
Carrier : Powder

Intended for clear, abrasion-resistant and scratch resistant coating applications based on UV-curable acrylates. This product can be easily dispersed in the acrylate monomers.

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Colloidal Silica Polymer- Grade EG

NYACOL® DP5480
NYACOL® DP5480
Wt.% : 30
Particle Size : 50 nm
Carrier : Ethylene Glycol

Silica particles in polymer-grade EG providing improved abrasion resistance and anti-blocking properties for PET film.

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NYACOL® DP5820
NYACOL® DP5820
Wt.% : 30
Particle Size : 20 nm
Carrier : Ethylene Glycol

Silica particles in polymer-grade EG providing improved abrasion resistance and anti-blocking properties for PET film.

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Concrete Coating Silica

NYACOL® D-6
NYACOL® D-6
Wt.% : 16 - 18
Particle Size : 6 nm
Carrier : Water

Concrete densifier designed to increase surface density and hardness of slab concrete.

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NYACOL® L-6
NYACOL® L-6
Wt.% : 86
Particle Size : 10 - 20 microns
Carrier : Powder

NYACOL® L-6 - Lithium Stabilized Colloidal Silica is an amorphous silica powder.  The product is based on proprietary technology and has been successful in concrete applications for control of  ASR in concrete.

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NYACOL® LiSil 4.1
NYACOL® LiSil 4.1
Wt.% : 20
Particle Size :
Carrier : Water

NYACOL LiSil 4.1 is a dispersion of lithium silicate in water. The primary application is as a concrete surface treatment and cement additive.

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NYACOL® LiSol™ 3
NYACOL® LiSol™ 3
Wt.% : 6 - 8
Particle Size : 2 - 4 nm
Carrier : Water

LiSol 3 is a 3 nm colloidal silica and is the highest surface area lithium stabilized colloidal silica currently on the market.  For use as a densifier for increased hardness and abrasion resistance of concrete surfaces.  It can also be used in other applications where a lithium based colloidal silica binder is of interest.

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NYACOL® LiSol™ 6
NYACOL® LiSol™ 6
Wt.% : 13 - 15
Particle Size : 6 nm
Carrier : Water

Lithium stabilized colloidal silica intended for use in treating concrete. Small particles act to increase the density and hardness of concrete surfaces while lithium reduces the effects of alkali-silica reaction or ASR.

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NYACOL® Nyalith
NYACOL® Nyalith
Wt.% : 3
Particle Size : N/A
Carrier : Water

For use as a protective coating for concrete.

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Amorphous Silica Powders

NYACOL® NYASIL 20
NYACOL® NYASIL 20
Wt.% : 100
Particle Size : 1.5 microns
Carrier : Powder

Low in iron, low in soluble salts and essentially chloride/sulfate free, these powders are used in PET film applications and can be added in PET synthesis. In PE/PP films, they provide excellent highly transparent anti-blocking.

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Miscellaneous

NYACOL® DP3970
NYACOL® DP3970
Wt.% : 96
Particle Size : 20 nm
Carrier : Powder

Primary particle size is 20 nm and the secondary size is 15-20 microns.  Contact NYACOL for more information about this product.

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NYACOL® DP5540
NYACOL® DP5540
Wt.% : 30
Particle Size : 100 – 120 nm
Carrier : Ethylene Glycol

Silica particles in polymer-grade EG providing improved abrasion resistance and anti-blocking properties for PET film.

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NYACOL® S200-EG
NYACOL® S200-EG
Wt.% : 20
Particle Size : 190 – 200 nm
Carrier : Ethylene Glycol

Intended as a high performance anti-block in PET films. Other uses are in paints and coatings to improve abrasion resistance and anti-blocking properties. When properly dispersed, films with high transparency and low haze can be produced.

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Looking for More Options?

In some cases our standard materials are not suitable for a customer’s particular application, or a different composition is required. In these cases, we will consider a custom development project with our customers. We generally proceed under a Non-Disclosure Agreement and we will do the project in such a way that the material can be readily scaled up.

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