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Sodium Silicate, Solution
liquid-sodium-silicate-water-glass

High-quality liquid sodium silicate used in a variety of applications.

SKU: SSN
Sodium Tetra Borate, Decahydrate (Borax)
sodium-tetra-borate-decahydrate-borax

99.9% technical-grade borax, white powder or granules.

SKU: BORAX10
Sodium Thiosulfate, Pentahydrate, Crystals
sodium-thiosulfate-pentahydrate-crystals

High-purity sodium thiosulfate crystals for industrial applications.

SKU: HYPO5
liquid-sodium-silicate-water-glass
Sodium Silicate, Solution (SSN)

Liquid Sodium Silicate (Water Glass) Solution (30–40%)

Liquid Sodium Silicate, also known as Water Glass, is a multi-purpose product with a variety of applications. It has a weight ratio of 3.22 and a 40 Baume density. It is commonly used as a foundry-grade, ceramic-grade, and carton adhesive-grade product. It can also be used as a deflocculant to prevent shrinkage of greenware, for surface application to create an instant antique look, to solidify and create an instant solid sand mold for metal castings, as a sealer for plaster and concrete surfaces, and as a treatment for wood to make it water-resistant and insect-free. When applied as a thin layer between surfaces to be bonded, it can also be used as an extraordinarily high-temperature adhesive and bonding agent. Note that liquid sodium silicate has a high alkaline level of 11.3 pH.


Product Specifications

Chemical Name Sodium Silicate Solution
Synonyms Water Glass, Sodium Silicate Solution
CAS Number 1344-09-8
Wt. Ratio SiO2/Na2O 3.22
%Na2O 8.9
%SiO2 28.7
Density @ 68°F (20°C) °Be' 41.0
Density @ 68°F (20°C) lb/gal 11.6
Density @ 68°F (20°C) g/cm3 1.38
pH 11.3
Viscosity 180 cP
Characteristics Syrupy Liquid
Grade Foundry-grade, ceramic-grade, carton adhesive-grade

Applications and Benefits:

  • Used as a foundry-grade binder for instant solid sand molds in metal castings.
  • Can be diluted to lower concentrations as required
  • Used in ceramic applications as a deflocculant to help prevent greenware shrinkage.
  • Suitable for carton adhesive applications and other bonding uses.
  • Can be applied to surfaces to create an instant antique look.
  • Used as a sealer for plaster and concrete surfaces.
  • Can be used as a wood treatment to improve water resistance and help deter insects.
  • Functions as a high-temperature adhesive and bonding agent when applied in a thin layer between surfaces.
  • Used in adhesives and binders, agriculture, cements and construction materials, detergents, drilling, geotechnical and mineral processing, manufacture of other chemicals, pulp and paper, textiles, and water treatment.

Caution:

Liquid sodium silicate has a high alkaline level of 11.3 pH. Use care when handling this product and wear gloves and eye protection to prevent the possibility of burns.

SKU: SSN
sodium-tetra-borate-decahydrate-borax
Sodium Tetra Borate, Decahydrate (Borax) (BORAX10)

Note:

We sell this product as a generic item based on current availability. Specific brands are not offered or guaranteed.

Sodium Tetra Borate, Decahydrate (Borax)

Sodium Tetra Borate, Decahydrate (Borax) is a 99.9% technical-grade borax supplied as a white powder or fine granules. This 100% natural boron compound is a mineral and a salt of boric acid, commonly used in industrial and laboratory applications. Powdered borax dissolves easily in water and is available in small or large packaging.


Product Specifications

CAS Number 1303-96-4
Chemical Formula Na2B4O7·10H2O
Grade Technical
B2O3 Content 37.74% (36.5 to 40.2%)
Chloride (as Cl) 0.01150% (0 to 0.07%)
Iron (Fe) 0.00082% (0 to 0.003%)
Na2B4O7·10H2O Content 103.4% (99.9 to 110.1%)
Na2O Content 16.8% (16.2 to 17.9%)
Sulfate (as SO4) 0.02090% (0 to 0.06%)
70 Mesh 2.0% (0 to 8.0%)
Net Weight at Time of Packaging 55 lb per bag

Applications and Benefits:

  • Flux for soldering and forge welding
  • Manufacturing of heat-resistant glass and porcelain enamel
  • Detergents and fertilizers production
  • Leather treatment, photography, and bleaches
  • Paint formulations and laboratory reagents

Caution:

This product is toxic by inhalation. Not for food applications, human nutritional supplements, or carpet or upholstery deodorization. Store in a cool, dry place as it is hygroscopic and weight may vary up to 10% due to moisture content.

SKU: BORAX10
sodium-thiosulfate-pentahydrate-crystals
Sodium Thiosulfate, Pentahydrate, Crystals (HYPO5)

Sodium Thiosulfate, Pentahydrate, Crystals

Sodium Thiosulfate, Pentahydrate, Reagent, ACS grade, also known as Sodium Hyposulfite (Na2S2O3•5H2O), is a high-purity chemical used across a variety of industries. With a molecular weight of 248.19, its primary applications include photographic fixer, chrome tanning, water dechlorination, silver extraction, bleaching, and iodometry. Additionally, it serves as a reagent, mordant, and reducing agent in dyeing processes. Its white crystalline appearance and >99% purity ensure reliable performance in technical and industrial uses.


Specifications

Chemical Formula Na2S2O3•5H2O
Molecular Weight 248.19
Purity > 99%
Appearance White crystals
Iron < 10 ppm
Heavy Metals < 6 ppm
Insoluble Matter < 0.02%
CAS# 10102-17-7

Applications and Benefits:

  • Photographic fixer
  • Chrome tanning
  • Water dechlorination
  • Silver extraction from ores
  • Bleaching and paper making
  • Reducing agent in chrome dyeing
  • Reagent for iodometry
  • Making colloidal sulfur
  • Mordant for textiles

Caution:

Handle with care. Review the Material Safety Data Sheet (MSDS) for safety instructions and best practices before use.

SKU: HYPO5
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