Polybutene

Description

1. Product Overview

Polybutene is a high-performance synthetic polymer derived from isobutylene, widely valued for its excellent adhesive, sealing, and lubricating properties. It is primarily used in lubricant additives, adhesives, sealants, and fuel/oil formulations to enhance viscosity, tackiness, and water resistance. The key value proposition lies in its superior chemical stability, low volatility, and exceptional compatibility with a wide range of industrial formulations. Strategically, polybutene plays a critical role in improving product performance and lifecycle efficiency across multiple sectors, making it a staple raw material in advanced manufacturing and formulation industries.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Polyisobutylene-based polymer (C₄H₈)n
• Purity/Grade: Industrial grade; available in various molecular weights (low, medium, high viscosity grades)
• Physical Form: Viscous liquid to semi-solid
• Color: Colorless to pale yellow
• Viscosity Range: Broad range depending on molecular weight (e.g., 100–100,000 cSt)
• Density: Approx. 0.88–0.92 g/cm³ at 20°C
• Solubility: Insoluble in water; soluble in hydrocarbons
• Packaging Options: Drums (200L), IBC tanks, bulk tankers
• Shelf Life: Typically 24 months under recommended storage conditions

3. Core Industrial Applications

Polybutene is extensively used across lubricant manufacturing, automotive, construction, and chemical processing industries. In lubricants and fuel additives, it enhances viscosity index, reduces evaporation loss, and improves engine cleanliness. In adhesives and sealants, it provides strong tackiness, flexibility, and long-term sealing performance, outperforming many conventional resins in durability and weather resistance. It is also used in electrical insulation compounds and rubber processing, where its stability and compatibility ensure consistent performance. Its efficiency in extending product lifespan and reducing maintenance costs makes it a preferred choice over lower-grade hydrocarbon polymers.

4. Competitive Advantages

• Quality Consistency: Controlled polymerization ensures uniform molecular weight distribution
• Supply Reliability: Stable production capacity with scalable output for bulk industrial demand
• Logistics Capability: Flexible global shipping options including bulk tanker and containerized delivery
• Price Competitiveness: Optimized production processes enable cost-effective sourcing at scale
• Sustainability: Low volatility and long service life contribute to reduced environmental impact
• Technical Support: Comprehensive documentation, formulation guidance, and application support available

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity: 20–24 MT per 20-ft container (depending on packaging format)