Dimethicone — PDMS / CAS 63148-62-9

Description

1. Product Overview

Dimethicone (PDMS, CAS 63148-62-9) is a high-performance silicone polymer widely used for its exceptional lubricity, chemical stability, thermal resistance, and low surface tension properties. It serves as a critical raw material in personal care, pharmaceuticals, industrial coatings, electronics, automotive, and specialty chemical formulations. Its versatility, durability, and compatibility with a wide range of systems make it a preferred silicone solution for manufacturers seeking reliable performance and enhanced product quality. As global demand increases for advanced functional materials, Dimethicone remains strategically important across multiple high-value industrial markets.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Polydimethylsiloxane (PDMS), a silicone-based polymer consisting of repeating dimethylsiloxane units
• CAS Number: 63148-62-9
• Purity / Grade: Available in multiple grades including industrial grade, cosmetic grade, pharmaceutical grade, and specialty high-purity grades
• Physical Form: Clear, colorless, odorless liquid or semi-solid silicone fluid depending on viscosity grade
• Viscosity Range: Available in various viscosity levels (typically from low-viscosity fluids to high-viscosity silicone gels)
• Density: Approximately 0.95–0.98 g/cm³ depending on molecular weight and viscosity
• Thermal Stability: Excellent resistance to temperature extremes with broad operating range performance
• Surface Properties: Low surface tension, water repellency, excellent spreading and slip characteristics
• Solubility: Insoluble in water; compatible with many organic solvents and silicone-based systems
• Packaging Options: 20 kg pails, 200 kg drums, 1,000 kg IBC tanks, and bulk tanker supply for large-volume requirements
• Shelf Life: Typically 24–36 months when stored in sealed containers under recommended storage conditions

3. Core Industrial Applications

• Personal Care & Cosmetics: Used in skin creams, lotions, hair conditioners, serums, and makeup formulations to provide smooth texture, softness, shine enhancement, and long-lasting conditioning effects.
• Pharmaceuticals & Healthcare: Applied as an active ingredient in topical formulations and medical products due to its skin compatibility and protective barrier properties.
• Industrial Coatings & Polishes: Provides water repellency, gloss enhancement, anti-foaming performance, and improved surface protection in coatings, paints, and maintenance products.
• Automotive & Machinery: Used in lubricants, release agents, rubber processing aids, and protective treatments requiring high thermal and chemical resistance.
• Electronics & Advanced Manufacturing: Utilized in specialty applications requiring electrical insulation, moisture resistance, and stable performance under demanding conditions.
• Textile & Rubber Industries: Enhances softness, flexibility, release properties, and processing efficiency in textile finishing and elastomer applications.

4. Competitive Advantages

• Consistent Quality Performance: Manufactured under controlled processes to deliver stable viscosity, purity, and functional properties across production batches.
• Reliable Global Supply: Supported by scalable production capacity and international logistics networks for continuous industrial demand.
• Flexible Grade Availability: Multiple viscosity and purity grades available to meet diverse formulation and manufacturing requirements.
• Cost Efficiency: Long service life, low consumption rates, and multifunctional performance reduce overall formulation and operational costs.
• Chemical & Thermal Durability: Superior resistance to oxidation, moisture, and temperature variations compared with many conventional organic materials.
• Sustainability Benefits: Silicone-based materials offer extended product durability and reduced replacement frequency in many applications.
• Technical Documentation Support: Available with specifications, safety data sheets (SDS), certificates of analysis (COA), and technical assistance for industrial integration.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20 MT per 20-foot container (depending on packaging configuration and logistics requirements)