High-Purity Dimethyl Silicone Oil (PDMS) - Industrial & Chemical Grade
Brand: Cosil | Model: COSI-SERIES | Purity: 99% | CAS No.: 9006-65-9 / 63148-62-9
Product Overview
Dimethyl Silicone Oil, also known as Methyl Silicone Oil or Polydimethylsiloxane (PDMS), is a colorless, transparent, and viscous liquid offered by Jiangsu Cosil Advanced Material Co., Ltd. It is a high-performance organosilicon polymer known for its excellent thermal stability, water repellency, low surface tension, and wide range of viscosity options. This product serves as a critical auxiliary agent across multiple industries, including coatings, electronics, textiles, plastics, and personal care.
Key Specifications
| Attribute | Details |
|---|---|
| Appearance | Colorless Transparent Liquid |
| Purity | 99% |
| Molecular Formula | (CH3)3SiO[(CH3)2SiO]n-Si(CH3)3 |
| Viscosity (cSt) | 100, 350, 500, 1000, 10000, 65000 (Customizable) |
| Place of Origin | Jiangsu, China |
| Package | 25kg/50kg/200kg Drum, 1000kg IBC |
| Certification | ISO9001, ISO14001, IATF16949, RoHS Compliant |
Product Usage & Applications
Dimethyl Silicone Oil is a versatile chemical additive with applications spanning numerous sectors due to its unique physical and chemical properties.
- Industrial Lubricant & Release Agent: Used in plastic and rubber manufacturing (gears, bearings) as a high-temperature lubricant and as a release agent in molding processes.
- Defoamer & Antifoaming Agent: Highly effective in breaking and preventing foam in industrial processes such as wastewater treatment, pulp and paper production, and food processing (e.g., wine fermentation).
- Coating & Paint Additive: Added to paints and varnishes to improve leveling, prevent floating pigment, and enhance gloss. It also provides waterproofing properties.
- Textile & Fiber Treatment: Applied to fibers to improve smoothness, elasticity, and reduce friction during weaving. It also imparts water repellency to fabrics.
- Personal Care & Cosmetics: Used in shampoos, conditioners, lotions, and creams to provide a silky feel, improve spreadability, and form a protective, breathable film on skin and hair.
- Electronics & Electrical: Serves as a dielectric coolant in transformers and as a protective coating for electronic components due to its excellent electrical insulation and thermal stability.
Buying Guide & Supplier Evaluation
Selecting the right supplier for Dimethyl Silicone Oil requires careful consideration of product quality, reliability, and service. Jiangsu Cosil Advanced Material Co., Ltd. positions itself as a reliable partner with the following credentials:
- Quality Assurance: The product comes with a purity guarantee of 99% and viscosity stability (deviation ≤5%). The company provides complete Technical Data Sheets (TDS) for precise application matching.
- Pricing Structure: Prices typically range from $1.50 to $4.70 per kilogram, depending on quantity, viscosity, and grade (industrial vs. food/medical).
- Supply Chain Stability: The supplier maintains substantial on-hand inventory (e.g., 10+ tons per variety) to ensure quick delivery, typically within 24-48 hours after order confirmation.
- Compliance & Safety: The company holds a valid Hazardous Chemicals Business License and follows strict safety protocols for storage and transportation.
- Customization & Support: Offers flexibility in order quantities and provides professional application support to help clients select the optimal viscosity and grade for their specific needs.
Product Testing & Evaluation Standards
To ensure you receive a genuine and high-quality product, here are key evaluation criteria and simple field tests:
- Purity & Water Content: High-quality silicone oil should have a water content below 100 ppm. Cloudiness may indicate contamination or the presence of mineral oil.
- Viscosity Verification: Use a viscometer to check that the kinematic viscosity at 25°C matches the specified value (e.g., 350 cSt, 1000 cSt).
- Combustion Test: Pure silicone oil has a high flash point (≥150°C) and is non-flammable under normal conditions. If a sample burns easily with a black smoke, it may be adulterated with white oil or other hydrocarbons.
- Low-Temperature Test: Genuine Dimethyl Silicone Oil remains transparent and does not freeze at temperatures as low as -50°C. Cloudiness or solidification at low temperatures indicates impurities.
After-Sales Service & Order Protection
Purchasing through platforms like phonenumbergenerator.top or directly from manufacturers like Cosil comes with certain protections and services:
- Order Protection: Buyers are protected from payment to delivery, with money-back guarantees in case of product non-conformity or shipping issues.
- Dispute Resolution: A dedicated help center is available for buyers to open disputes in case of disagreements with the supplier over quality or delivery.
- Logistics Support: The supplier can arrange professional logistics services for hazardous chemicals, ensuring safe and timely delivery.
- Technical Support: Post-purchase technical support is available to assist with application challenges and optimize the use of the product.
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