Polyisobutylene

Description

1. Product Overview
   Polyisobutylene (PIB) is a high-performance synthetic polymer derived from the polymerization of isobutylene monomers, widely used across industrial and specialty chemical sectors. It is primarily utilized as a viscosity modifier, sealant base, lubricant additive, and adhesive component due to its excellent chemical stability and impermeability. The product delivers superior sealing performance, elasticity, and resistance to moisture and gases, making it a critical material in demanding industrial formulations. Its strategic importance lies in its versatility across automotive, packaging, construction, and chemical processing industries, where reliability and long service life are essential.
2. Key Specifications & Technical Characteristics

• Chemical Composition: (C₄H₈)ₙ, polyisobutylene polymer
• Purity Level / Grade: High purity industrial-grade PIB (various molecular weight grades available: low, medium, high)
• Physical Form: Viscous liquid to rubbery solid (depending on molecular weight)
• Color: Colorless to pale yellow
• Density: Approx. 0.90–0.92 g/cm³ (grade dependent)
• Viscosity: Wide range depending on molecular weight (from low-viscosity fluids to highly viscous elastomers)
• Solubility: Insoluble in water; soluble in aliphatic and aromatic hydrocarbons
• Packaging Options: 180–200 kg steel drums, IBC tanks, flexitank bulk shipments
• Shelf Life: 24 months under recommended storage conditions (cool, dry, sealed environment)

3. Core Industrial Applications
   Polyisobutylene is extensively used across automotive, manufacturing, adhesives, and petrochemical industries. In automotive applications, it serves as a key component in engine oils and lubricants, enhancing viscosity control and wear resistance. In adhesives and sealants, PIB provides strong tackiness, flexibility, and long-term environmental resistance, making it ideal for tapes, packaging films, and waterproofing systems. It is also used in fuel additives to improve combustion efficiency and reduce deposit formation. Compared to alternative polymers, PIB offers superior gas barrier properties, oxidative stability, and longer service life, making it a preferred choice for high-performance industrial formulations.
4. Competitive Advantages

• Consistent molecular weight distribution ensuring predictable performance in formulation
• Reliable large-scale supply capacity suitable for global industrial demand
• Strong logistics network supporting bulk international shipping and timely delivery
• Competitive pricing structure optimized for high-volume procurement
• Environmentally stable polymer with low reactivity and long lifecycle performance
• Comprehensive technical documentation and formulation support available for industrial buyers
• High purity and low contaminant profile ensuring compatibility with sensitive applications

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Up to 20–22 MT per 20-ft container (depending on packaging type and grade)