Sodium Silicate (20 Litres)

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Sodium Silicate is a water-soluble, viscous alkaline liquid with the general formula Na₂SiO₃ (ratios vary). Commonly referred to as water glass or liquid glass, it appears as a clear to slightly cloudy solution. This 20-litre packaged product is known for its excellent adhesive, binding, and sealing properties. It is widely used in industrial, construction, detergent, and water treatment applications. Sodium silicate forms a glassy film upon drying and resists high temperatures and chemical attack, making it extremely versatile across many industries.

Description

Uses


Primary Uses 

Construction & Civil Engineering

  • Concrete Hardening: Penetrates and densifies concrete surfaces to increase durability.

  • Soil Stabilization: Used in grouting and ground improvement for tunneling and foundation works.

  • Fireproofing Material: Binds with mineral wool and vermiculite for fire-resistant coatings.

  • Cement Additive: Enhances chemical resistance and bonding properties.

Detergents & Cleaners

  • Laundry Detergents: Acts as a builder to soften water and enhance cleaning power.

  • Dishwashing Liquids: Prevents corrosion of metal surfaces in alkaline solutions.

  • Industrial Cleaners: Degreases, emulsifies, and disperses oils and fats from surfaces.

  • Metal Surface Cleaning: Removes scale, rust, and organic residues from machinery and equipment.

Adhesives & Binders

  • Corrugated Board Adhesives: Binds paper layers in cardboard production.

  • Foundry Sand Binder: Used in the preparation of sand molds and cores.

  • Refractory Cement Binder: Binds high-temperature materials in kiln and furnace applications.

Water Treatment

  • Boiler Water Treatment: Prevents corrosion and scale formation in industrial boilers.

  • Wastewater Treatment: Clarifies water by coagulating suspended solids.

  • pH Adjustment: Alkalizes acidic waste streams.

Textile & Pulp Industry

  • Bleaching Stabilizer: Stabilizes hydrogen peroxide during pulp and fabric bleaching.

  • Sizing Agent: Improves the stiffness and strength of paper and textiles.

  • De-inking Agent: Helps in recycling printed paper by loosening ink from fibers.

Automotive & Engineering

  • Radiator Sealant: Seals minor leaks in vehicle cooling systems.

  • Exhaust Repair Compounds: Used in high-temperature repair pastes.

Secondary Uses

Ceramics & Pottery

  • Deflocculant: Reduces viscosity of clay slurries in slip casting.

  • Glaze Suspension Agent: Improves dispersion and stability of ceramic glazes.

Agriculture

  • Silicon Supplement: Used experimentally to boost plant resistance to stress.

  • Pesticide Carrier: Acts as an adjuvant in certain agrochemical formulations.

Mining & Metallurgy

  • Ore Flotation Agent: Controls pH and acts as a dispersant in ore processing.

  • Refractory Coating Binder: Used in high-temperature metal processing equipment.

Fire Protection

  • Intumescent Coatings: Expands when exposed to heat, providing fire resistance.

  • Passive Fire Barriers: Used in wall and ceiling coatings for fire compartmentalization.

Household Products

  • Laundry Bluing Base: Occasionally used as a component in traditional laundry preparations.

  • Toilet Bowl Cleaners: Found in strong alkaline cleaners for scale removal.

Arts & Crafts

  • Sculpting and Mold Making: Used in creating solidifying molds for metal casting or plaster work.

  • Paper Mâché Hardener: Improves rigidity and water resistance of paper-based structures.

Laboratory & Research

  • Silica Gel Precursor: Used in the preparation of desiccants and chromatography media.

  • Chemical Experiments: Demonstrates chemical garden or crystal growth in educational settings.

PRODUCT KEY FEATURES

Basic Identification Attributes

  • Chemical Name (IUPAC): Disodium metasilicate (common type)

  • Common/Trade Name: Sodium Silicate, Water Glass, Liquid Glass

  • CAS Number: 1344-09-8 (general form)

  • HS Code: 2839.11.00

  • Synonyms: Sodium silicate solution, Sodium water glass, Soluble glass

Physical & Chemical Properties

  • Physical State: Viscous liquid solution

  • Color & Odor: Clear to hazy; odorless

  • Solubility: Fully miscible in water

  • Specific Gravity: 1.35–1.55 (varies with ratio and solids content)

  • pH (1% solution): ~11.3–12.5

  • Solids Content: 38–45% by weight (for 45% grade)

  • SiO₂/Na₂O Ratio: Commonly 2.0–3.3 depending on formulation

Safety & Hazard Attributes

  • GHS Classification: Skin Irritant (Category 2), Eye Irritant (Category 2A)

  • Toxicity: LD₅₀ (oral, rat) ~1150 mg/kg

  • Exposure Limits: No established limits; handle with general ventilation

  • Corrosivity: Alkaline—may damage skin, eyes, and mucous membranes

Storage & Handling Attributes

  • Storage Conditions: Store in sealed containers; avoid freezing or extreme heat

  • Container Type: 20-litre HDPE jerry cans, drums, or IBCs

  • Shelf Life: 12–24 months under proper conditions

  • Handling Precautions: Avoid contact with skin and eyes; do not mix with acids

Regulatory & Compliance Attributes

  • REACH Registered

  • FDA 21 CFR (Certain Grades) – Permitted as a boiler additive in food processing (indirect use)

  • RoHS & SVHC Compliant

  • TSCA Listed – USA

  • Not classified as hazardous for transport (non-flammable liquid)

Environmental & Health Impact

  • Biodegradability: Inorganic; not biodegradable but dilutes and neutralizes naturally

  • Ecotoxicity: Moderately harmful to aquatic life in concentrated form

  • Bioaccumulation: None expected

Aquatic Impact: High pH may be harmful to fish and plant life if not neutralized

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Alkaline-resistant gloves, goggles, protective clothing

  • Handling Guidelines: Avoid breathing mist; use local ventilation if spraying

  • Storage Measures: Keep container tightly sealed and upright

First Aid Measures

  • Inhalation: Move to fresh air; seek medical attention if irritation occurs

  • Skin Contact: Wash thoroughly with water; remove contaminated clothing

  • Eye Contact: Flush with water for at least 15 minutes; seek immediate medical help

  • Ingestion: Rinse mouth; do not induce vomiting; seek medical attention

Firefighting Measures

  • Fire Hazards: Non-flammable; will not support combustion

  • Extinguishing Media: Use media suitable for surrounding fire (water, CO₂, dry chemical)

  • Hazardous Combustion Products: None known; stable under normal fire conditions