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Sodium Methyl Siliconate

Name: Sodium Methyl Siliconate
SKU: 0

Sodium Methyl Siliconate is a highly effective waterproofing agent with the chemical formula CH₃SiO₃Na. It appears as a colorless to light yellow transparent liquid with strong alkalinity. This product reacts with carbon dioxide in the atmosphere to form a hydrophobic methyl silicone resin waterproof membrane, effectively preventing water penetration while maintaining substrate breathability. It is widely used in waterproofing treatments in construction and building materials.

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Product Parameters

Product Name (English)	Sodium Methyl Siliconate
CAS No.	16589-43-8
Physical Properties	- Colorless to light yellow transparent liquid - Alkaline aqueous solution (pH 12-13) - Excellent water solubility - Reacts with CO₂ to form waterproof membrane
Applications	- Concrete and masonry waterproofing - Stone and ceramic protection - Anti-efflorescence treatment - Dustproofing agent for surfaces
Specifications	Active Content: 30-40% pH Value: 12.5-13.5 Density: 1.20-1.25 g/cm³ (20°C) Silicon Content: ≥6.5% Chloride Content: ≤0.1%
Packaging	25 KG/drum, 200 KG/drum or 1000 KG/IBC tank

Basic Properties

Physical Properties:
· Appearance: Colorless to light yellow transparent liquid
· Density: 1.20-1.25 g/cm³ (20°C)
· pH Value: 12.5-13.5 (strongly alkaline)
· Solubility: Readily soluble in water, forms transparent solution
· Stability: Stable when sealed
Chemical Properties:
· Strong alkalinity, can neutralize acids
· Reacts with CO₂ to form methyl silicone resin waterproof membrane
· Excellent permeability and hydrophobicity
· Good compatibility with inorganic building materials

Main Applications

Building Waterproofing: Waterproofing treatment for concrete and mortar surfaces
Stone Protection: Hydrophobic protection for marble, granite and other stones
Brick Wall Treatment: Moisture and seepage prevention for brick walls and masonry
Floor Protection: Dustproof and wear-resistant treatment for cement floors
Cultural relic Protection: Weathering protection for ancient buildings and stone carvings
Industrial Applications: Anti-corrosion protection for pipelines and storage tanks

Safety Precautions

Corrosiveness:
· Strong alkalinity, severely corrosive to skin and eyes
· Contact may cause chemical burns
· Inhalation of mist causes respiratory tract irritation
Health Hazards:
· Causes severe burns to eyes and skin
· Inhalation may lead to respiratory tract damage
· Ingestion causes digestive tract burns
Handling Protection:
· Wear acid-base resistant gloves, goggles and respirator
· Avoid skin and eye contact
· Ensure good ventilation in work area
· Wash thoroughly after handling
Storage & Transportation:
· Store in cool, well-ventilated place
· Keep containers sealed, avoid contact with air
· Store separately from acids
· Use plastic or stainless steel containers
Fire Fighting:
· Non-combustible, use water, foam or dry powder for fire fighting
· May produce irritating fumes in fire
· Firefighters should use self-contained breathing apparatus

Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

Company advantages

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.