Primosil™ D350 (Dimethicone 350 CST)

Primosil™ D350 (Dimethicone 350 CST) is a medium-viscosity silicone oil known for its excellent lubricating and conditioning properties, making it ideal for home care products. It forms a protective, non-greasy barrier on surfaces, enhancing shine and smoothness in polishes and surface protectants. In fabric care, it can be used in fabric softeners and ironing aids to reduce friction, minimize wrinkles, and impart a soft feel to clothes. This versatile silicone is also included in air fresheners and sprays to ensure even distribution and a silky finish. Its non-toxic, odorless, and colorless nature makes it safe for various household applications. With high thermal stability and resistance to oxidation, it ensures durable performance in diverse formulations. Additionally, it aids in water repellency and stain prevention, making it useful for protective coatings on furniture and appliances.

Technical Specifications
PrimosilTM D350 (Dimethicone 350 CST)
INCI
Dimethicone 350 CST
CAS Number
63148-62-9
Purity
99%
Molecular Formula
(C2H6OSi)n
Molecular Weight
62.37 g/mol
Solubility
Soluble In Alcohol but Insoluble In Water and Oils.
pH
5.5-8.5
Shelf Life
24 months from the date of manufacturing.
Boiling Point
155-220°C
Melting Point
-35°C
Storage
Store in a cool, dry place in tightly sealed containers. Protect it from moisture and extreme temperatures.
Supplier
Flychem
SKU
FCB-007
Key Benefits
PrimosilTM D350 (Dimethicone 350 CST)
Surface Protection
It creates a protective barrier on surfaces, helping to repel water, dust, and dirt, keeping them cleaner for longer periods.
Enhances Shine
Adds a glossy, smooth finish to surfaces such as countertops, furniture, and appliances, enhancing their appearance and making them look polished.
Lubrication
Acts as a lubricant in home care products, reducing friction and wear on surfaces and tools, which can prolong their lifespan.
Heat Resistance
Resistant to high temperatures, making it suitable for use in products exposed to heat, such as kitchen appliances and cookware.
Non-Greasy Finish
Leaves a non-greasy, smooth finish on surfaces, ideal for products like polishes and conditioners that require a clean, non-oily touch.
Water Repellent
Its hydrophobic properties help create water-resistant surfaces, useful for bathroom and outdoor products to prevent water damage and stains.
Improves Spreadability
Enhances the spreadability of formulations, ensuring even coverage and easier application of cleaning and care products.
Long-Lasting Effects
Provides long-lasting protection and conditioning to surfaces, reducing the need for frequent reapplication and maintenance.
Stable Formulation
Chemically stable, ensuring the longevity and effectiveness of home care products over time, even in varying storage conditions.
Versatile Usage
Can be used in a wide range of home care formulations, including polishes, cleaners, protectants, and lubricants.
Non-Toxic
Safe for use around children and pets, offering a non-toxic alternative to harsher chemical agents in household products.
Antifoaming Agent
Reduces foam in cleaning products, making them easier to rinse off and leaving surfaces spotless without residues.
Improves Durability
Enhances the durability of treated surfaces, protecting them from daily wear and tear, scratches, and abrasions.
Enhances Fragrance Retention
Helps in retaining fragrances in home care products, ensuring a longer-lasting pleasant scent in the household environment.
Eco-Friendly
Considered environmentally friendly, providing a safe and sustainable ingredient option for various household applications.

Frequently Asked Questions (FAQ)

What is Primosil™ D350 (Dimethicone 350 CST)?

Primosil™ D350 (Dimethicone 350 CST) is a type of silicone oil known for its medium viscosity and stability, commonly used in home care products for its conditioning and protective properties.